Structures by: Velmurugan D.

Total: 407

Ethyl 4-(furan-2-yl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

C12H14N2O4

Novina, J. J.Vasuki, G.Suresh, M.Viswanathan, VijayanVelmurugan, Devadasan

IUCrData (2016) 1, 12 x161937

a=7.4670(2)Å   b=8.8307(3)Å   c=10.5426(3)Å

α=106.833(2)°   β=108.557(2)°   γ=99.420(2)°

<i>N</i>-[(3-Bromo-1-phenylsulfonyl-1<i>H</i>-indol-2-yl)methyl]-4-fluoroaniline

C21H16BrFN2O2S

Yadav, C. SureshViswanathan, VijayanKannadasan, SathananthanVelmurugan, Devadasan

IUCrData (2017) 2, 2 x170147

a=8.1732(5)Å   b=10.5828(7)Å   c=12.1781(8)Å

α=113.6990(10)°   β=94.6170(10)°   γ=99.2030(10)°

<i>N</i>,<i>N</i>-Diethyl-2-[5-(4-methoxybenzylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]acetamide

C17H20N2O4S

Viswanathan, VijayanYasmin, SabinaJayaprakash, VenkatesanVelmurugan, Devadasan

IUCrData (2017) 2, 5 x170716

a=11.6978(6)Å   b=7.1331(4)Å   c=21.1822(12)Å

α=90°   β=95.311(4)°   γ=90°

1,4-Bis[(oxan-2-yl)oxy]benzene

C16H22O4

Raj, Radhakrishnan MohanLekha, LoguViswanathan, VijayanVelmurugan, DevadasanEaswaramoorthy, Deivanayagam

IUCrData (2017) 2, 5 x170717

a=6.767(5)Å   b=6.817(5)Å   c=15.864(5)Å

α=90.000°   β=99.391(5)°   γ=90.000°

Isonicotinamidium picrate

C12H9N5O8

Jauhar, RO. MU.Viswanathan, V.Vivek, P.Vinitha, G.Velmurugan, D.Murugakoothan, P.

RSC Adv. (2016) 6, 63 57977

a=14.290(5)Å   b=7.430(5)Å   c=14.697(5)Å

α=90.000(5)°   β=116.638(5)°   γ=90.000(5)°

C45H50Cl2CuN6O9

C45H50Cl2CuN6O9

Mahendiran, DharmasivamKumar, Raju SenthilViswanathan, VijayanVelmurugan, DevadasanRahiman, Aziz Kalilur

Dalton transactions (Cambridge, England : 2003) (2016) 45, 18 7794-7814

a=16.0226(4)Å   b=16.0226(4)Å   c=34.0974(12)Å

α=90°   β=90°   γ=120°

(<i>E</i>)-4-{1-[2-(Carbamothioyl)hydrazin-1-ylidene]ethyl}phenyl 4-methylbenzoate

C17H17N3O2S

Mani, Karthik AnanthViswanathan, VijayanNarasimhan, S.Velmurugan, Devadasan

Acta Crystallographica Section E (2015) 71, 1 o43-o44

a=8.068(5)Å   b=14.037(5)Å   c=15.221(5)Å

α=99.801(5)°   β=96.040(5)°   γ=98.533(5)°

2-{[(Naphthalen-1-yl)oxy]methyl}-5-(2,4,5-trifluorophenyl)-1,3,4-oxadiazole

C19H11F3N2O2

Govindhan, MuniyappanSubramanian, KathavarayanViswanathan, VijayanVelmurugan, Devadasan

Acta Crystallographica Section E (2015) 71, 3 o190-o191

a=7.4817(5)Å   b=7.5928(5)Å   c=15.7908(10)Å

α=78.673(3)°   β=78.404(3)°   γ=65.370(3)°

2-(4-Fluoro-3-methylphenyl)-5-{[(naphthalen-1-yl)oxy]methyl}-1,3,4-oxadiazole

C20H15FN2O2

Govindhan, MuniyappanSubramanian, KathavarayanViswanathan, VijayanVelmurugan, Devadasan

Acta Crystallographica Section E (2015) 71, 4 o229-o230

a=7.4236(4)Å   b=7.5062(4)Å   c=16.3519(8)Å

α=77.092(3)°   β=77.494(3)°   γ=66.734(3)°

(<i>E</i>)-4-[1-(2-Carbamothioylhydrazinylidene)ethyl]phenyl acetate

C11H13N3O2S

Viswanathan, VijayanAnanth, Mani KarthikNarasimhan, S.Velmurugan, Devadasan

Acta Crystallographica Section E (2017) 73, 1 20-23

a=7.8783(2)Å   b=8.9254(3)Å   c=18.7372(5)Å

α=77.243(2)°   β=82.423(2)°   γ=78.856(2)°

(<i>E</i>)-4-[1-(2-Carbamothioylhydrazinylidene)ethyl]phenyl benzoate

C16H15N3O2S

Viswanathan, VijayanAnanth, Mani KarthikNarasimhan, S.Velmurugan, Devadasan

Acta Crystallographica Section E (2017) 73, 1 20-23

a=7.8145(4)Å   b=9.7538(5)Å   c=10.9050(7)Å

α=78.855(4)°   β=69.031(2)°   γ=84.200(3)°

<i>N</i>-(4-Chlorophenyl)-2-[(4,6-diaminopyrimidin-2-yl)sulfanyl]acetamide

C12H12ClN5OS

Subasri, S.Kumar, Timiri AjaySinha, Barij NayanJayaprakash, VenkatesanViswanathan, VijayanVelmurugan, Devadasan

Acta Crystallographica Section E (2017) 73, 4 467-471

a=18.2743(12)Å   b=7.4835(5)Å   c=19.8021(12)Å

α=90°   β=90°   γ=90°

<i>N</i>-(3-Chlorophenyl)-2-[(4,6-diaminopyrimidin-2-yl)sulfanyl]acetamide

C12H12ClN5OS

Subasri, S.Kumar, Timiri AjaySinha, Barij NayanJayaprakash, VenkatesanViswanathan, VijayanVelmurugan, Devadasan

Acta Crystallographica Section E (2017) 73, 4 467-471

a=18.220(2)Å   b=8.1180(12)Å   c=19.628(2)Å

α=90°   β=108.761(8)°   γ=90°

2-[(4,6-Diaminopyrimidin-2-yl)sulfanyl]-<i>N</i>-(naphthalen-1-yl)acetamide

C16H15N5OS

Subasri, S.Kumar, Timiri AjaySinha, Barij NayanJayaprakash, VenkatesanViswanathan, VijayanVelmurugan, Devadasan

Acta Crystallographica Section E (2017) 73, 2 306-309

a=25.1895(16)Å   b=6.9411(4)Å   c=8.9697(6)Å

α=90°   β=90.943(4)°   γ=90°

2-[(4,6-Diaminopyrimidin-2-yl)sulfanyl]-<i>N</i>-(4-fluorophenyl)acetamide

C12H12FN5OS

Subasri, S.Kumar, Timiri AjaySinha, Barij NayanJayaprakash, VenkatesanViswanathan, VijayanVelmurugan, Devadasan

Acta Crystallographica Section E (2017) 73, 2 306-309

a=21.7358(7)Å   b=7.3726(3)Å   c=8.4487(3)Å

α=90°   β=93.0920(10)°   γ=90°

2-[(4,6-Diaminopyrimidin-2-yl)sulfanyl]-<i>N</i>-(pyridin-2-yl)acetamide

C11H12N6OS

Choudhury, ManishaViswanathan, VijayanTimiri, Ajay KumarSinha, Barij NayanJeyaprakash, VenkatesanVelmurugan, Devadasan

Acta Crystallographica Section E (2018) 74, 5 718-723

a=7.2341(2)Å   b=9.3852(2)Å   c=9.7971(2)Å

α=95.8200(10)°   β=91.1160(10)°   γ=105.6820(10)°

2-[(4,6-Diaminopyrimidin-2-yl)sulfanyl]-<i>N</i>-(pyrazin-2-yl)acetamide

C10H11N7OS

Choudhury, ManishaViswanathan, VijayanTimiri, Ajay KumarSinha, Barij NayanJeyaprakash, VenkatesanVelmurugan, Devadasan

Acta Crystallographica Section E (2018) 74, 5 718-723

a=12.1333(5)Å   b=8.1561(3)Å   c=12.8442(5)Å

α=90°   β=94.307(3)°   γ=90°

6-(4-Chlorophenyl)-6a-nitro-6a,6b,8,9,10,12a-hexahydro-6<i>H</i>,7<i>H</i>-spiro[chromeno[3,4-<i>a</i>]indolizine-12,11'-indeno[1,2-<i>b</i>]quinoxaline]

C35H27ClN4O3

Syed Abuthahir, S.NizamMohideen, M.Viswanathan, V.Velmurugan, D.Nagasivarao, J.

Acta Crystallographica Section E (2019) 75, 2 255-259

a=14.18800(10)Å   b=23.4450(3)Å   c=18.3710(2)Å

α=90°   β=104.541(2)°   γ=90°

6'-(4-Chlorophenyl)-6a'-nitro-6a',6b',7',9',10',12a'-hexahydro-2<i>H</i>,6'<i>H</i>,8'<i>H</i>-spiro[acenaphthylene-1,12'-chromeno[3,4-<i>a</i>]indolizin]-2-one

C32H25ClN2O4

Syed Abuthahir, S.NizamMohideen, M.Viswanathan, V.Velmurugan, D.Nagasivarao, J.

Acta Crystallographica Section E (2019) 75, 2 218-222

a=10.6777(4)Å   b=11.6095(4)Å   c=12.6037(8)Å

α=98.383(3)°   β=105.378(3)°   γ=115.522(2)°

6'-(4-Methoxyphenyl)-6a'-nitro-6a',6b',7',9',10',12a'-hexahydro-2<i>H</i>,6'<i>H</i>,8'<i>H</i>-spiro[acenaphthylene-1,12'-chromeno[3,4-<i>a</i>]indolizin]-2-one

C33H28N2O5

Syed Abuthahir, S.NizamMohideen, M.Viswanathan, V.Velmurugan, D.Nagasivarao, J.

Acta Crystallographica Section E (2019) 75, 2 218-222

a=19.8942(2)Å   b=13.6097(7)Å   c=20.78220(10)Å

α=90°   β=107.268(3)°   γ=90°

4,4'-{[1,3-Phenylenebis(methylene)]bis(oxy)}bis(3-methoxybenzaldehyde)

C24H22O6

Iqbal, SaleemViswanathan, VijayanVelmurugan, DevadasanAbiraman, TamilselvanBalasubramanian, SengottuvelanGunasekaran, Krishnasamy

Acta Crystallographica Section E (2019) 75, 6 875-879

a=11.7026(3)Å   b=14.6628(4)Å   c=12.7512(3)Å

α=90°   β=107.863(2)°   γ=90°

4,4'-{[(1,4-Phenylenebis(methylene)]bis(oxy)}bis(3-methoxybenzaldehyde)

C24H22O6

Iqbal, SaleemViswanathan, VijayanVelmurugan, DevadasanAbiraman, TamilselvanBalasubramanian, SengottuvelanGunasekaran, Krishnasamy

Acta Crystallographica Section E (2019) 75, 6 875-879

a=12.6668(5)Å   b=7.7470(3)Å   c=10.4244(4)Å

α=90°   β=102.126(2)°   γ=90°

4-(5-Acetamido-3-acetyl-2-methyl-2,3-dihydro-1,3,4-thiadiazol-2-yl)phenyl benzoate

C20H19N3O4S

NizamMohideen, M.Syed Abuthahir, S.Viswanathan, V.Velmurugan, D.Karthik Ananth, M.

Acta Crystallographica Section E (2019) 75, 10 1436-1444

a=6.75590(10)Å   b=16.9258(2)Å   c=19.0611(3)Å

α=110.4470(10)°   β=96.854(2)°   γ=93.3700(10)°

4-(5-Acetamido-3-acetyl-2-methyl-2,3-dihydro-1,3,4-thiadiazol-2-yl)phenyl isobutyrate 0.25-hydrate

C17H21N3O4S,0.25(H2O)

NizamMohideen, M.Syed Abuthahir, S.Viswanathan, V.Velmurugan, D.Karthik Ananth, M.

Acta Crystallographica Section E (2019) 75, 10 1436-1444

a=6.78020(10)Å   b=17.2671(4)Å   c=17.3089(4)Å

α=108.2240(10)°   β=99.0840(10)°   γ=96.7200(10)°

4-(5-Acetamido-3-acetyl-2-methyl-2,3-dihydro-1,3,4-thiadiazol-2-yl)phenyl propionate

C16H19N3O4S

NizamMohideen, M.Syed Abuthahir, S.Viswanathan, V.Velmurugan, D.Karthik Ananth, M.

Acta Crystallographica Section E (2019) 75, 10 1436-1444

a=11.4150(3)Å   b=12.4021(3)Å   c=13.2305(3)Å

α=71.9820(10)°   β=89.8290(10)°   γ=83.1140(10)°

4-(5-Acetamido-3-acetyl-2-methyl-2,3-dihydro-1,3,4-thiadiazol-2-yl)phenyl cinnamate chloroform hemisolvate

C22H21N3O4S,0.5(CHCl3)

NizamMohideen, M.Syed Abuthahir, S.Viswanathan, V.Velmurugan, D.Karthik Ananth, M.

Acta Crystallographica Section E (2019) 75, 10 1436-1444

a=10.74270(10)Å   b=11.0828(2)Å   c=20.8969(3)Å

α=93.1860(10)°   β=103.945(4)°   γ=98.489(2)°

Bis-(4-dimethylaminopyridinium) bis-(2-nitrobenzoate) trihydrate

2(C7H4NO4),2(C7H11N2),3(H2O)

Sivakumar, N.Muralidharan, S.Chakkaravarthi, G.Velmurugan, D.Anbalagan, G.

Acta Crystallographica Section E (2014) 70, 10 221-223

a=7.6163(4)Å   b=12.7215(7)Å   c=17.3478(9)Å

α=108.2380(10)°   β=92.247(2)°   γ=101.5120(10)°

2-[(4,6-Diaminopyrimidin-2-yl)sulfanyl]-<i>N</i>-(3-nitrophenyl)acetamide monohydrate

C12H12N6O3S,H2O

Subasri, S.Timiri, Ajay KumarBarji, Nayan SinhaVenkatesh, JayaprakashVijayan, ViswanathanVelmurugan, Devadasan

Acta Crystallographica Section E (2016) 72, 8 1171-1175

a=7.23260(10)Å   b=14.3442(2)Å   c=14.0940(3)Å

α=90°   β=90°   γ=90°

<i>N</i>-(2-Chlorophenyl)-2-[(4,6-diaminopyrimidin-2-yl)sulfanyl]acetamide

C12H12ClN5OS

Subasri, S.Timiri, Ajay KumarBarji, Nayan SinhaVenkatesh, JayaprakashVijayan, ViswanathanVelmurugan, Devadasan

Acta Crystallographica Section E (2016) 72, 8 1171-1175

a=7.2528(2)Å   b=7.6249(3)Å   c=13.0649(4)Å

α=91.410(2)°   β=105.924(2)°   γ=94.647(2)°

6-Ferrocenyl-6a'-nitro-6',6a',6b',7',9',11a'-hexahydro-2<i>H</i>-\ spiro[acenaphthylene-1,11'-chromeno[3',4':3,4]pyrrolo[1,2-<i>c</i>]thiazol]-\ 2-one

C34H26FeN2O4S

Viswanathan, VijayanRao, Naga SivaRaghunathan, RaghavacharyVelmurugan, Devadasan

Acta Crystallographica Section E (2016) 72, 8 1126-1129

a=11.782(5)Å   b=16.741(5)Å   c=14.147(5)Å

α=90.00°   β=98.013(5)°   γ=90.00°

6'-(4-Methoxyphenyl)-6a'-nitro-6',6a',6b',7',9',11a'-hexahydro-2<i>H</i>-spiro[acenaphthylene-1,11'-chromeno[3',4':3,4]pyrrolo[1,2-<i>c</i>]thiazol]-2-one

C31H24N2O5S

Viswanathan, VijayanRao, Naga SivaRaghunathan, RaghavacharyVelmurugan, Devadasan

Acta Crystallographica Section E (2016) 72, 8 1126-1129

a=11.1123(5)Å   b=11.6373(2)Å   c=12.4095(3)Å

α=117.8120(10)°   β=110.8120(10)°   γ=95.4680(10)°

2-[(4,6-Diaminopyrimidin-2-yl)sulfanyl]-<i>N</i>-(2,4-dimethylphenyl)acetamide

C14H17N5OS

Choudhury, ManishaViswanathan, VijayanTimiri, Ajay KumarSinha, Barij NayanJayaprakash, VenkatesanVelmurugan, Devadasan

Acta Crystallographica Section E (2017) 73, 7 996-1000

a=23.7716(6)Å   b=7.0073(2)Å   c=9.0909(2)Å

α=90°   β=90.086(2)°   γ=90°

2-[(4,6-Diaminopyrimidin-2-yl)sulfanyl]-<i>N</i>-(3-methoxyphenyl)acetamide

C13H15N5O2S

Choudhury, ManishaViswanathan, VijayanTimiri, Ajay KumarSinha, Barij NayanJayaprakash, VenkatesanVelmurugan, Devadasan

Acta Crystallographica Section E (2017) 73, 7 996-1000

a=8.014(5)Å   b=8.724(5)Å   c=12.068(5)Å

α=106.561(5)°   β=97.888(5)°   γ=110.461(5)°

4'-(2-Methoxyquinolin-3-yl)-1'-methyldispiro[indan-2,2'-pyrrolidine-3',3''-indoline]-1,3,2''-trione

C30H23N3O4

Mathusalini, SadasivamViswanathan, VijayanMohan, Palathurai SubramaniamLin, Chia-HerVelmurugan, Devadasan

Acta Crystallographica Section E (2015) 71, 12 o1038-o1039

a=10.9058(3)Å   b=9.5178(5)Å   c=23.8651(6)Å

α=90.00°   β=95.378(2)°   γ=90.00°

Ethyl 6-methyl-2-sulfanylidene-4-(thiophen-2-yl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate

C12H14N2O2S2

Suresh, M.Padusha, M. Syed AliNovina, J. JosephineVasuki, G.Viswanathan, VijayanVelmurugan, Devadasan

Acta Crystallographica Section E (2015) 71, 2 o81-o82

a=7.30690(10)Å   b=8.32670(10)Å   c=11.24610(10)Å

α=90.1090(10)°   β=95.1560(10)°   γ=101.2760(10)°

4,11-Dihydroxy-13-methyl-1,8-di-<i>p</i>-tolyl-2,9-dithia-13-azadispiro[4.1.4^7^.3^5^]tetradecan-6-one

C26H31NO3S2

Viswanathan, VijayanBharkavi, ShanmugavelPerumal, SubbuVelmurugan, Devadasan

Acta Crystallographica Section E (2015) 71, 12 1516-1520

a=10.7160(8)Å   b=8.5570(5)Å   c=25.6960(3)Å

α=90.00°   β=92.374(5)°   γ=90.00°

13-Benzyl-4,11-dihydroxy-1,8-bis(4-methylphenyl)-2,9-dithia-13-azadispiro[4.1.4^7^.3^5^]tetradecan-6-one

C32H35NO3S2

Viswanathan, VijayanBharkavi, ShanmugavelPerumal, SubbuVelmurugan, Devadasan

Acta Crystallographica Section E (2015) 71, 12 1516-1520

a=9.9803(6)Å   b=11.7773(8)Å   c=13.6506(14)Å

α=105.524(5)°   β=107.215(5)°   γ=103.087(4)°

15-(2-Chlorophenyl)-6b-hydroxy-17-methyl-6b,7,16,17-tetrahydro-7,14a-methanonaphtho[1',8':1,2,3]pyrrolo[3',2':8,8<i>a</i>]azuleno[5,6-<i>b</i>]quinolin-14(15<i>H</i>)-one

C34H25ClN2O2

Joseph, J. M.Viswanathan, VijayanVelmurugan, Devadasan

Acta Crystallographica Section E (2015) 71, 12 o1091-o1092

a=11.1328(2)Å   b=13.0756(3)Å   c=19.0866(4)Å

α=90°   β=103.7380(10)°   γ=90°

Ethyl 6-chloromethyl-2-oxo-4-(2,3,4-trimethoxyphenyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate

C17H21ClN2O6

Suresh, M.Padusha, M. Syed AliNovina, J. JosephineVasuki, G.Viswanathan, VijayanVelmurugan, Devadasan

Acta Crystallographica Section E (2015) 71, 7 821-823

a=9.479(5)Å   b=10.080(5)Å   c=10.320(5)Å

α=108.552(5)°   β=102.886(5)°   γ=94.406(5)°

N,6-Dimethyl-4-(methylsulfanyl)-3-nitro-4H-chromen-2-amine

C12H14N2O3S

D. GayathriD. VelmuruganK. RavikumarK. GeethaH. Surya Prakash Rao

Acta Crystallographica Section E (2006) 62, 5 o1961-o1963

a=10.5558(5)Å   b=17.5031(8)Å   c=6.9415(3)Å

α=90.00°   β=101.8630(10)°   γ=90.00°

1-(3-Nitrophenyl)-5-tosylperhydropyrrolo[3,4-b]pyrrole

C19H21N3O4S

D. GayathriD. SujathaD. VelmuruganK. RavikumarM. Poornachandran

Acta Crystallographica Section E (2006) 62, 5 o2045-o2047

a=7.4456(4)Å   b=25.2680(15)Å   c=10.0594(6)Å

α=90.00°   β=104.2860(10)°   γ=90.00°

3-Acetyl-4-furyl-1-methylspiro[pyrrolidine-2.2'-indol]-2'(3'H)-one

C18H18N2O3

A. SubbiahpandiD. VelmuruganK. RavikumarR. R. DurgaR. Raghunathan

Acta Crystallographica Section E (2006) 62, 5 o1964-o1965

a=7.7404(6)Å   b=10.0227(7)Å   c=20.5622(16)Å

α=90.00°   β=90.00°   γ=90.00°

3-[α-(4-Methoxyphenyl)-β-(4-chlorophenyl)vinyl]-2-methyl-1-phenylsulfonyl- 1H-indole

C30H24ClNO3S

G. UshaS. SelvanayagamD. VelmuruganK. RavikumarP. JaisankarP. C. Srinivasan

Acta Crystallographica Section E (2005) 61, 7 o2227-o2229

a=13.6402(9)Å   b=10.4097(6)Å   c=18.4430(11)Å

α=90.00°   β=99.7560(10)°   γ=90.00°

3-[α-(4-Methoxyphenyl)-β-phenylvinyl]-2-methyl-1-phenylsulfonyl-1H-indole

C30H25NO3S

G. UshaS. SelvanayagamD. VelmuruganK. RavikumarP. JaisankarP. C. Srinivasan

Acta Crystallographica Section E (2005) 61, 7 o2221-o2223

a=14.8973(11)Å   b=8.9581(7)Å   c=18.9941(14)Å

α=90.00°   β=97.6580(10)°   γ=90.00°

2-(2,5-Dimethylbenzyl)-3-phenylsulfanyl-1-phenylsulfonyl-1H-indole

C29H25NO2S2

G. UshaS. SelvanayagamD. VelmuruganK. RavikumarN. SureshbabuP. C. Srinivasan

Acta Crystallographica Section E (2005) 61, 7 o2224-o2226

a=10.8372(6)Å   b=17.2384(10)Å   c=12.7220(7)Å

α=90.00°   β=90.2690(10)°   γ=90.00°

2'-Benzoyl-1'-(4-chlorophenyl)-5',6',7',7a'-tetrahydrospiro[indan- 2,3'(2'H)-1H-pyrrolizidine]-1,3-dione

C28H22ClNO3

S. KalyanasundaramS. SelvanayagamD. VelmuruganK. RavikumarM. PoornachandranR. Raghunathan

Acta Crystallographica Section E (2005) 61, 7 o2158-o2160

a=8.2023(5)Å   b=11.7111(7)Å   c=25.4650(15)Å

α=102.1020(10)°   β=90.0140(10)°   γ=103.9490(10)°

[N,N'-Bis(1-{[2-oxido-4-(2-hydroxyethoxy)phenyl]methyl}ethylidene)ethane- 1,2-diamine]copper(II)

C22H26CuN2O6

G. UshaS. SelvanayagamD. VelmuruganK. RavikumarN. Senthil KumarA. RaghavanA. Sultan Nasar

Acta Crystallographica Section E (2004) 60, 12 m1772-m1774

a=11.8535(7)Å   b=8.6424(5)Å   c=21.0047(13)Å

α=90.00°   β=101.4510(10)°   γ=90.00°

3,3-Bis(1H-indol-3-yl)indolin-2-one

C24H17N3O

S. SelvanayagamMahesh S. ChandakD. VelmuruganK. RavikumarR. Raghunathan

Acta Crystallographica Section E (2005) 61, 10 o3122-o3123

a=24.0578(12)Å   b=10.2342(5)Å   c=18.1597(9)Å

α=90.00°   β=125.8610(10)°   γ=90.00°

{N,N-Bis[3-(phenylysulfanyl)-1-(phenylsulfonyl)indol-2- ylmethyl]amino}acetaldehyde dimethyl acetal

C46H41N3O6S4

M. YogavelD. VelmuruganP. C. SrinivasanH.-K. Fun

Acta Crystallographica Section E (2005) 61, 10 o3205-o3207

a=10.71460(10)Å   b=23.89390(10)Å   c=16.8782(3)Å

α=90.00°   β=91.8460(10)°   γ=90.00°

4-[Bis(2-methyl-1H-indol-3-yl)methyl]-1-(4-methoxyphenyl)-3-phenylazetidin- 2-one

C35H31N3O2

S. SelvanayagamD. VelmuruganK. RavikumarB. SridharE. Ramesh

Acta Crystallographica Section E (2005) 61, 10 o3386-o3388

a=11.9751(7)Å   b=13.4815(8)Å   c=17.2114(11)Å

α=90.00°   β=91.9780(10)°   γ=90.00°

1'-nitro-2'-phenyl-2',3',4',5',6',7'-hexahydro-1H-indole- 3-spiro-3'-1'H-pyrrolizin-2(3H)-one

C20H19N3O3

G. UshaS. SelvanayagamD. VelmuruganK. RavikumarM. Poornachandran

Acta Crystallographica Section E (2005) 61, 10 o3312-o3314

a=23.8981(15)Å   b=7.5886(4)Å   c=19.1370(10)Å

α=90.00°   β=102.941(2)°   γ=90.00°

3-(4-Bromophenyl)-6-(p-tosyl)perhydrothiazolidino[3,4-a]pyrrolo[4,5-c]pyrrole

C21H23BrN2O2S2

Kavitha, VenugopalGayathri, Dasara RajuVelmurugan, DevadasanRavikumar, KrishnanPoornachandran, Mahalingam

Acta Crystallographica Section E (2006) 62, 6 o2146-o2148

a=15.3215(8)Å   b=8.0676(4)Å   c=17.1663(9)Å

α=90.00°   β=100.1190(10)°   γ=90.00°

11,18-Diphenoxy-3,26-dioxa-13,16- diazahexacyclo[26.2.2.0^4,9^.0^10,13^.0^16,19^.0^20,25^]dotriaconta- 1(31),4,6,8,20,22,24,28(32),29-nonaene-12,17-dione

C40H34N2O6

D. GayathriD. LathaD. VelmuruganK. RavikumarM. Arumugam

Acta Crystallographica Section E (2006) 62, 7 o3082-o3084

a=8.3548(6)Å   b=18.1540(13)Å   c=22.0663(16)Å

α=90.00°   β=90.5280(10)°   γ=90.00°

2-Bromo-N-[3-bromo-N-(phenylsulfonyl)indol-2-ylmethyl]aniline

C21H16Br2N2O2S

Govind, M. M.Govindaraj, J.Rajakannan, V.Velmurugan, D.Moon-Jib KimSrinivasan, P. C.Kannadasan, S.

Acta Crystallographica Section E (2002) 58, 11 o1241-o1243

a=12.3288(9)Å   b=8.4100(8)Å   c=19.441(2)Å

α=90.00°   β=106.296(7)°   γ=90.00°

2,6-Bis(N,N'-benzotriazol-1-ylmethyl)pyridine

C19H15N7

Selvanayagam, S.Rajakannan, V.Velmurugan, D.Dhanasekaran, M.Rajakumar, P.Moon, Jib-Kim

Acta Crystallographica Section E (2002) 58, 11 o1190-o1192

a=14.5526(12)Å   b=7.9438(9)Å   c=14.2666(8)Å

α=90.00°   β=93.480(6)°   γ=90.00°

6-(4-Methoxyphenyl)-4-phenyl-2-(pyrrolidin-1-yl)nicotinonitrile

C23H21N3O

S. ThinagarD. VelmuruganS. Shanmuga Sundara RajHoong-Kun FunV. Raghukumar

Acta Crystallographica Section E (2002) 58, 11 o1261-o1263

a=7.9336(5)Å   b=10.3841(6)Å   c=12.4407(7)Å

α=105.1580(10)°   β=104.0770(10)°   γ=100.4000(10)°

Cis-3-(p-bromostyryl)-2-methyl-N-(phenylsulfonyl)indole

C23H18BrNO2S

S. ThinagarD. VelmuruganS. BanumathiS. Shanmuga Sundara RajHoong-Kun FunS. Kannadasan

Acta Crystallographica Section E (2002) 58, 11 o1264-o1266

a=10.2443(3)Å   b=10.4161(3)Å   c=11.4190(3)Å

α=65.0640(10)°   β=89.7720(10)°   γ=65.7070(10)°

2-methoxybenzaldehyde thiosemicarbazone

C9H11N3OS

S. SelvanayagamM. YogavelV. RajakannanD. VelmuruganS. Shanmuga Sundara RajHoong-Kun Fun

Acta Crystallographica Section E (2002) 58, 12 o1336-o1338

a=13.5826(2)Å   b=10.6063(2)Å   c=14.3260(3)Å

α=90.00°   β=90.00°   γ=90.00°

6-(4-Chlorophenyl)-4-[4-(dimethylamino)phenyl]-2-(pyrrolidin-1- yl)nicotinonitrile

C24H23ClN4

S. ThinagarD. VelmuruganS. Shanmuga Sundara RajHoong-Kun FunV. Raghukumar

Acta Crystallographica Section E (2002) 58, 12 o1452-o1454

a=11.14900(10)Å   b=13.73300(10)Å   c=14.66660(10)Å

α=100.4870(10)°   β=93.2400(10)°   γ=107.0140(10)°

6,6'-Dichloro-3,3'-(butane-1,4-diyldioxy)diflavone

C34H24Cl2O6

S. ThinagarD. VelmuruganS. C. GuptaH. MerazigS. Bouacida

Acta Crystallographica Section E (2002) 58, 12 o1441-o1443

a=5.335(9)Å   b=9.242(8)Å   c=13.969(9)Å

α=89.270(10)°   β=82.680(10)°   γ=86.470(10)°

2-Bromo-N-[3-bromo-1-(phenylsulfonyl)indol-2-ylmethyl]-4-methylaniline

C22H18Br2N2O2S

Govind, M.M.Govindaraj, J.Rajakannan, V.Velmurugan, D.Moon-Jib KimSrinivasan, P.C.Kannadasan, S.

Acta Crystallographica Section E (2003) 59, 2 o177-o179

a=12.436(3)Å   b=12.715(3)Å   c=16.073(3)Å

α=70.13(3)°   β=69.23(3)°   γ=66.22(3)°

8-Chloro-4-[1-(phenylsulfonyl)indol-3-yl]-3a,4,5,9b-tetrahydro-3H- cyclopenta[c]quinoline

C26H21ClN2O2S

R. SankaranarayananM. YogavelD. VelmuruganK. SekarG. BabuP. T. PerumalS. Shanmuga Sundara RajH.-K. Fun

Acta Crystallographica Section E (2003) 59, 1 o49-o51

a=15.0064(2)Å   b=9.4052(2)Å   c=15.7077(2)Å

α=90.00°   β=91.0930(10)°   γ=90.00°

2-Hydroxy-2-methyl-3-benzoylchromene

C17H14O3

M. YogavelD. VelmuruganK. SekarH. SchenkJ. FraanjeR. PescharS. SrinivasanP. R. AthappanZ. A. Rafi

Acta Crystallographica Section E (2003) 59, 3 o266-o268

a=5.691(4)Å   b=6.902(3)Å   c=34.044(2)Å

α=90.00°   β=90.00°   γ=90.00°

5-Amino-4-(4-dimethylaminophenyl)-2-(4-methoxyphenyl)-7-(pyrrolidin-1-yl)- 1,6-naphthyridine-8-carbonitrile

C28H28N6O

Sundari BhaskaranM. YogavelV. RajakannanR. KrishnaD. VelmuruganV. Raghukumar

Acta Crystallographica Section E (2003) 59, 2 o200-o202

a=10.671(2)Å   b=10.9740(10)Å   c=11.826(2)Å

α=82.820(10)°   β=64.040(10)°   γ=78.320(10)°

2-cyano-3-dimethylamino-N-(2,5-methylphenyl)acrylamide

C14H17N3O

OmprabaA. AyshaM. YogavelD. VelmuruganS. SelviP. T. PerumalS. Shanmuga Sundara RajH.-K. FunZ. A. Rafi

Acta Crystallographica Section E (2003) 59, 3 o353-o355

a=9.9315(2)Å   b=11.8940(4)Å   c=11.3979(4)Å

α=90.00°   β=97.079(14)°   γ=90.00°

2-Methoxy-4-acetamido-5-(3'-phenylthio indol-2-oyl)benzoic acid

C25H20N2O5S

V. RajakannanS. SelvanayagamM. YogavelL. GovindasamyD. VelmuruganS. Shanmuga Sundara RajH.-K. FunP.C. Srinivasan

Acta Crystallographica Section E (2003) 59, 5 o718-o720

a=10.8499(2)Å   b=10.5171(2)Å   c=19.0168(3)Å

α=90.00°   β=92.1040(10)°   γ=90.00°

3,3,6,6-Tetramethyl-9-(4-pyridyl)-3,4,6,7,9,10-hexahydro- 1,8(2H,5H)-acridinedione monohydrate

C22H26N2O2,H2O

P. G. AravindanM. YogavelD. VelmuruganP. MuruganS. Shanmuga Sundara RajH.-K. Fun

Acta Crystallographica Section E (2003) 59, 5 o659-o661

a=9.1333(5)Å   b=9.8999(5)Å   c=12.0435(7)Å

α=74.8760(10)°   β=81.7050(10)°   γ=73.1370(10)°

1,2-Bis[1-phenylsulfonyl-3-(phenylthio)indol-2-yl]ethene

C42H30N2O4S4

R. SankaranarayananM. YogavelD. VelmuruganK. SekarP. C. SrinivasanS. Shanmuga Sundara RajHoong-Kun Fun

Acta Crystallographica Section E (2003) 59, 1 o99-o101

a=9.2920(2)Å   b=9.5524(3)Å   c=11.3921(3)Å

α=67.3790(10)°   β=72.8210(10)°   γ=74.5890(10)°

5,5'-dimethyl-2-(4-methylphenylaminocarbomethyl)-1,3-cyclohexanedione

C17H21NO3

S. SelvanayagamM. YogavelV. RajakannanD. VelmuruganS. Shanmuga Sundara RajHoong-Kun Fun

Acta Crystallographica Section E (2003) 59, 3 o261-o262

a=10.12390(10)Å   b=5.83660(10)Å   c=26.91760(10)Å

α=90.00°   β=97.4030(10)°   γ=90.00°

10-[2-(4-acetylpiperzain-1-yl)ethyl]-9-(4-chlorophenyl)-3,3,6,6-tetramethyl- 3,4,6,7,9,10-hexahydro-2H,5H-acridine-1,8-dione

C31H40ClN3O3

P.r. SeshadriM.yogavelT. Joseph RajanD.velmuruganS.shanmuga Sundara RajH.-K.fun

Acta Crystallographica Section E (2003) 59, 5 o696-o698

a=10.3624(6)Å   b=21.4915(12)Å   c=13.5314(8)Å

α=90.00°   β=101.4920(10)°   γ=90.00°

3-Acetyl-2-hydroxy-2-methylchromene

C12H12O3

M. YogavelD. VelmuruganK. SekarH. SchenkJ. FraanjeR. PescharS. SrinivasanP. R. AthappanZ. A. Rafi

Acta Crystallographica Section E (2003) 59, 5 o591-o593

a=7.574(2)Å   b=8.672(2)Å   c=8.789(3)Å

α=106.32(3)°   β=110.99(3)°   γ=93.28(3)°

2-[2-(4-Ethoxy-5-methoxy-2-nitrophenyl)vinyl]-1H-indole

C19H18N2O4

R. SankaranarayananM. YogavelD. VelmuruganP. C. SrinivasanS. Shanmuga Sundara RajHoong-Kun Fun

Acta Crystallographica Section E (2003) 59, 5 o672-o674

a=7.5949(4)Å   b=10.0887(6)Å   c=11.5777(7)Å

α=85.2980(10)°   β=76.9240(10)°   γ=86.1660(10)°

1,4-Bis{2-hydroxy-3-[N-(2-hydroxyethyl)imino]-5-methylbenzyl}piperazine

C26H36N4O4

M. YogavelS. SelvanayagamD. VelmuruganS. Shanmuga Sundara RajHoong-Kun FunM. MarappanM. Kandaswamy

Acta Crystallographica Section E (2003) 59, 1 o83-o85

a=9.7575(2)Å   b=13.8091(3)Å   c=18.42700(10)Å

α=90.00°   β=99.9640(10)°   γ=90.00°

Phyllanthin from the plant phyllanthus amarus

C24H34O6

V. RajakannanM. S. SripathiS. SelvanayagamD. VelmuruganUma. D. MurthyM. VishwasS. P. ThyagarajanS. Shanmuga Sundara RajHoong-Kun Fun

Acta Crystallographica Section E (2003) 59, 2 o203-o205

a=22.6091(7)Å   b=5.3506(2)Å   c=11.0871(4)Å

α=90.00°   β=117.3280(10)°   γ=90.00°

N,N-Dimethyl-N'-phenylformamidinium perchlorate

C9H13N2ClO4

M. YogavelP. G. AravindanD. VelmuruganP. T. PerumalS. Shanmuga Sundara RajH.-K. Fun

Acta Crystallographica Section E (2003) 59, 5 o662-o664

a=7.8382(2)Å   b=17.5688(6)Å   c=9.1123(2)Å

α=90.00°   β=113.2690(10)°   γ=90.00°

Spiro- [2 -3'] oxindole - spiro -[3- 3"] oxindole - 4[p-methyl benzydy] pyrolidizine.

C29H25N3O3

P.R.SeshadriS.SelvanayagamD.Velmurugan K.RavikumarA.R.Sureshbabu R.Raghunathan

Acta Crystallographica Section E (2003) 59, 10 o1458-o1460

a=9.7632(6)Å   b=10.3841(7)Å   c=11.6874(8)Å

α=99.7350(10)°   β=96.4800(10)°   γ=98.8920(10)°

9, 17-Dioxa-1,3-dithiatetracyclo[18. 2. 2. 2^23, 24^. 1^25^] heptacosan-5, 7, 11,13, 15 (25), 18, 20, 23, 26 nonene

C23H22O2S2

P. G. AravindanD. VelmuruganM. DhanasekaranP. Rajakumar

Acta Crystallographica Section E (2003) 59, 11 o1677-o1679

a=9.995(5)Å   b=10.372(7)Å   c=10.508(5)Å

α=101.84(5)°   β=91.14(5)°   γ=109.01(5)°

2'-Benzoyl-1',2,2',3,4',5',6',6a'-octahydro-1H-indan-2-spiro-3'- (3'H-pyrrolizine)-1'-spiro-3''-1H-indoline-1,2'',3-trione

C29H22N2O4

P. R. SeshadriS. SelvanayagamD. VelmuruganK. RavikumarA. R. SureshbabuR. Raghunathan

Acta Crystallographica Section E (2003) 59, 10 o1559-o1561

a=13.1419(10)Å   b=12.5844(9)Å   c=14.0110(11)Å

α=90.00°   β=100.601(2)°   γ=90.00°

2'-(p-Methoxybenzoyl)-1',2,2',3,5',6',7',7a'-octahydro-1H-indan-2-spiro-3'- (3'H-pyrrolizine)-1'-spiro-3''-1H-indoline-1,2'',3-trione

C30H24N2O5

P. R. SeshadriS. SelvanayagamD. VelmuruganK. RavikumarA. R. SureshbabuR. Raghunathan

Acta Crystallographica Section E (2003) 59, 11 o1783-o1785

a=11.4931(8)Å   b=13.6374(9)Å   c=15.5377(10)Å

α=90.00°   β=96.3510(10)°   γ=90.00°

C23H24N2O3

C23H24N2O3

Govind, M. M.Selvanayagam, S.Velmurugan, D.Ravikumar, K.Sridhar, GowriRaghunathan, R.

Acta Crystallographica, Section E: Structure Reports Online (2003) 59, 10 o1438-o1440

a=6.3317(5)Å   b=11.5470(8)Å   c=14.1402(10)Å

α=72.2400(10)°   β=77.3660(10)°   γ=77.7730(10)°

C-halogen...π interaction: 4-Chloro-2-(9-ethylcarbazol-3-yl)quinoline-1(2H)- carbaldehyde.

C24H19ClN2O

P.G.AravindanS.SelvanayagamD.VelmuruganK.RavikumarN.NagarajanP.T.Perumal

Acta Crystallographica Section E (2003) 59, 10 o1564-o1566

a=9.4147(8)Å   b=9.6714(8)Å   c=11.1245(9)Å

α=85.3360(10)°   β=70.2350(10)°   γ=84.351(2)°

C31H28N2O3

C31H28N2O3

M.M.GovindS.SelvanayagamD.Velmurugan K.RavikumarGowri Sridhar R.Raghunathan

Acta Crystallographica Section E (2003) 59, 11 o1680-o1681

a=14.3186(11)Å   b=9.6801(7)Å   c=17.9616(13)Å

α=90.00°   β=91.1900(10)°   γ=90.00°

1,2,3,4-Tetrahydro-4'-furfuryl-1'-methylnaphthene-2-spiro-3'-pyrrolidine-2'- spiro-1''-acenaphthene-1,2''-dione

C29H23NO3

M. M. GovindS. SelvanayagamD. VelmuruganK. RavikumarR. Rathna DurgaR. Raghunathan

Acta Crystallographica Section E (2003) 59, 12 o1875-o1877

a=11.9109(7)Å   b=11.3292(7)Å   c=17.3573(10)Å

α=90.00°   β=103.9930(10)°   γ=90.00°

5''-Benzylidene-1'-methyl-4'-phenylindole-3-spiro-2'-pyrrolidine-3'-spiro-3''- piperidine-2(3H),4''-dione

C30H29N3O2

M. M. GovindS. SelvanayagamD. VelmuruganK. RavikumarGowri SridharR. Raghunathan

Acta Crystallographica Section E (2003) 59, 12 o1878-o1880

a=10.6889(7)Å   b=18.9025(12)Å   c=12.5270(8)Å

α=90.00°   β=95.2830(10)°   γ=90.00°

4'-(4-Methoxybenzoyl)-1'-methyl-acenaphthene-1-spiro-2'-pyrrolidine- 3'-spiro-3''-1H-indole-2,2''(1H,3''H)-dione hemihydrate

C31H24N2O4,0.5H2O

M. M. GovindS. SelvanayagamD. VelmuruganK. RavikumarA. R. SureshbabuR. Raghunathan

Acta Crystallographica Section E (2004) 60, 6 o1003-o1005

a=25.647(2)Å   b=10.0538(9)Å   c=21.0859(18)Å

α=90.00°   β=111.933(2)°   γ=90.00°

Ethyl 2,2''-dioxo-2,3,5,6,7,7a-hexahydroacenaphthene- 1-spiro-3'-1'H-pyrrolizine-2'spiro-1''-acenaphthene-1-carboxylate

C32H25NO4

G. UshaS. SelvanayagamD. VelmuruganK. RavikumarR. Rathna DurgaR. Raghunathan

Acta Crystallographica Section E (2005) 61, 7 o2267-o2269

a=14.8348(12)Å   b=11.1902(9)Å   c=16.0909(13)Å

α=90.00°   β=112.4790(10)°   γ=90.00°

2-Ethyl 3,4-dimethyl 4'-methylbiphenyl-2,3,4-tricarboxylate

C20H20O6

Sundari BhaskaranD. VelmuruganK. RavikumarA. K. Mohana KrishnanC. Prakash

Acta Crystallographica Section E (2005) 61, 10 o3339-o3341

a=6.7650(6)Å   b=23.8952(19)Å   c=12.0094(10)Å

α=90.00°   β=105.6700(10)°   γ=90.00°

Methyl 11,2,3,3a-5a-hydroxy-1-methyl-10-oxo-4-phenyl 10H-indeno[1,2-b]furo[3,4-b]pyrrole-3a-carboxylate

C22H21NO5

S. SelvanayagamAnju JoyD. VelmuruganK. RavikumarR. Raghunathan

Acta Crystallographica Section E (2005) 61, 10 o3383-o3385

a=8.6216(5)Å   b=10.3055(6)Å   c=11.7758(6)Å

α=79.4620(10)°   β=79.3770(10)°   γ=68.8760(10)°

3-Benzylidene-3',7'-diphenylcyclohexanespiro-6'-(perhydro-2-thiapyrrolizine)- 5'-spiro-3''-1H-indole-2,2''-dione

C37H32N2O2S

A. SubbiahpandiD. VelmuruganK. RavikumarR. Raghunathan

Acta Crystallographica Section E (2006) 62, 6 o2259-o2260

a=10.0312(6)Å   b=20.8599(13)Å   c=14.1305(8)Å

α=90.00°   β=100.9730(10)°   γ=90.00°

2-(p-Bromophenyl)-5-(benzenesulfonyl)perhydrothiazolidine[3,4-a]pyrrolo[4,5-c] pyrrole

C20H21BrN2O2S2

R. Praveen KumarD. GayathriD. VelmuruganK. RavikumarM. Poornachandran

Acta Crystallographica Section E (2006) 62, 6 o2429-o2431

a=10.5926(6)Å   b=11.4144(6)Å   c=16.6896(9)Å

α=90.00°   β=94.1020(10)°   γ=90.00°

Acenapthene-2-spiro-5'-perhydrodipyrrole[1,2-a;2',1'-c]pyrazine-6'- spiro-2''-acenapthene-1,1''-dione

C32H26N2O2

S. SugaleshiniD. GayathriD. VelmuruganK. RavikumarA. R. Sureshbabu

Acta Crystallographica Section E (2006) 62, 6 o2432-o2434

a=8.8721(7)Å   b=10.7042(8)Å   c=14.2846(11)Å

α=109.4180(10)°   β=100.5840(10)°   γ=102.4470(10)°

6a,14a-cis-6,6a,7,14a-Tetrahydrochromeno[4',3':3,4]pyrano[3,2-c]coumarin

C19H14O4

R. KrishnaP. G. AravindanM. YogavelD. VelmuruganS. Shanmuga Sundara RajH.-K. FunM. Shanmuga SundaramR. Raghunathan

Acta Crystallographica Section E (2003) 59, 9 o1395-o1397

a=12.22520(10)Å   b=16.3351(3)Å   c=15.3425(3)Å

α=90.00°   β=109.2070(10)°   γ=90.00°

8a,13b-cis-8,8,13-Trimethyl-11-phenyl-8,8a,9,13b- tetrahydropyrazolo[3'',4''-b']thiapyrano[5',4':3,4]pyrano[5,6-c]coumarin

C25H22N2O3S

S. SelvanayagamD. VelmuruganK. RavikumarS. Narasinga RaoJ. JayashankaranR. Rathna DurgaR. Raghunathan

Acta Crystallographica Section E (2004) 60, 11 o2155-o2156

a=10.1017(11)Å   b=10.2760(12)Å   c=20.187(2)Å

α=90.00°   β=95.278(2)°   γ=90.00°