Structures published

Total: 373

N-[(1S,2S,3R)-3-(tert-Butyldiphenylsiloxy)-2-bromo-1-phenyl-4- (phenylsulfinyl)butyl]benzenesulfonamide

C₃₉H₄₂BrNO₄S₂Si

K. Ravikumar G. Y. S. K. Swamy Sadagopan Raghavan

Acta Crystallographica Section E (2004) 60, 10 o1880-o1882

a=20.0567(11)Å b=8.2412(5)Å c=23.8154Å

α=90.00° β=91.2630(10)° γ=90.00°

2-[(2-Chloro-5-phenyl-3-pyridinyl)(hydroxy)methyl]acrylonitrile

C₁₅H₁₁ClN₂O

G. Y. S. K. Swamy K. Ravikumar P. Narender V. Jayathirtha Rao

Acta Crystallographica Section E (2005) 61, 3 o706-o707

a=6.6461(5)Å b=14.2172(10)Å c=14.9057(10)Å

α=90.00° β=100.2610(10)° γ=90.00°

2-[(2-Chloro-5-ethyl-3-pyridinyl)(hydroxy)methyl]acrylonitrile

C₁₁H₁₁ClN₂O

G. Y. S. K. Swamy K. Ravikumar P. Narender V. Jayathirtha Rao

Acta Crystallographica Section E (2005) 61, 3 o708-o709

a=12.5354(7)Å b=12.6028(7)Å c=14.3120(8)Å

α=90.00° β=90.00° γ=90.00°

Scandenin

C₂₆H₂₆O₆

K. Ravikumar B. Sridhar A. Sridhar Rao J. Madhusudana Rao

Acta Crystallographica Section E (2005) 61, 3 o596-o598

a=18.1505(10)Å b=17.3369(10)Å c=14.5209(8)Å

α=90.00° β=95.0540(10)° γ=90.00°

1,4-dihydro-6-methy-5-N-methy carbamoyl-4-phenyl-2(3H)-pyrimidinethione

C₁₃H₁₅N₃OS_.C₂H₆OS

B. Sridhar K. Ravikumar

Acta Crystallographica Section E (2005) 61, 5 o1414-o1416

a=32.2080(19)Å b=6.8884(4)Å c=16.6204(10)Å

α=90.00° β=109.1560(10)° γ=90.00°

N-Butyl-N-o-tolyl-benzenesulfonamide

C₁₇H₂₁NO₂S

G. Usha S. Selvanayagam D. Velmurugan K. Ravikumar P. Jaisankar P. C. Srinivasan

Acta Crystallographica Section E (2005) 61, 6 o1916-o1918

a=9.2614(9)Å b=18.4306(19)Å c=9.8602(10)Å

α=90.00° β=99.382(2)° γ=90.00°

8,12-Dioxa-1,7,10(1,2)-tribenzenacyclododecaphane-2,5-dien-4-one

C₂₅H₂₀O₃

V. Vinodhkumar S. Selvanayagam D. Velmurugan K. Ravikumar M. Poornachandran R. Raghunathan

Acta Crystallographica Section E (2005) 61, 6 o1839-o1841

a=7.7602(11)Å b=9.8884(14)Å c=13.965(2)Å

α=108.074(2)° β=94.933(2)° γ=109.974(2)°

4'-(4-Methoxyphenyl)-1-methylchroman-3-spiro-3'-pyrrolidine-2'-spiro-2''- indan-4,1'',3''-trione

C₂₈H₂₃NO₄

S. Selvanayagam D. Velmurugan K. Ravikumar J. Jayashankaran R. Raghunathan

Acta Crystallographica Section E (2005) 61, 6 o1582-o1584

a=8.0652(6)Å b=8.2977(6)Å c=18.4090(13)Å

α=80.0570(10)° β=84.7960(10)° γ=69.7540(10)°

7'-(4-Methoxyphenyl)-chroman-3-spiro-6'-hexahydro-1H-pyrrolo[1,2-c]thiazole- 5'-spiro-3''-1''H-indole-4,2''(3''H)-dione

C₂₈H₂₄N₂O₄S

S. Selvanayagam Jasmin Paul D. Velmurugan K. Ravikumar R. Rathna Durga R. Raghunathan

Acta Crystallographica Section E (2005) 61, 6 o1585-o1587

a=9.5561(6)Å b=16.1035(11)Å c=15.2631(10)Å

α=90.00° β=91.213(10)° γ=90.00°

Methyl 2-(1H-indol-3-ylmethyl)-1,2,3,3a,4,11c- hexahydronaphtho[2',1':2,3]pyrano[4,5-b]pyrrole-2-carboxylate

C₂₆H₂₄N₂O₃

S. Karthick S. Selvanayagam D. Velmurugan K. Ravikumar M. Arumugam R. Raghunathan

Acta Crystallographica Section E (2005) 61, 6 o1780-o1782

a=8.7481(8)Å b=19.0068(18)Å c=12.4940(12)Å

α=90.00° β=95.891(2)° γ=90.00°

1-(4-fluorophenyl)-3(R)-[3-(4-fluorophenyl)-3(S)-hydroxypropyl]-4(S)- (4-hydroxyphenyl)azetidin-2-one monohydrate

C₂₄H₂₁F₂NO_3,H₂O

Ravikumar, Krishnan Sridhar, Balasubramanian

Acta Crystallographica Section E (2005) 61, 9 o2907-o2909

a=6.2396(4)Å b=15.4657(10)Å c=22.3320(14)Å

α=90.00° β=90.00° γ=90.00°

4'-(4-Methoxyphenyl)-1'-methyl-9H-fluorene-9-spiro-3'-pyrrolidine-2'-spiro- 2''-indane-1'',3''-dione

C₃₂H₂₅NO₃

A. Subbiahpandi S. Selvanayagam D. Velmurugan K. Ravikumar J. Jayashankaran R. Raghunathan

Acta Crystallographica Section E (2005) 61, 9 o3059-o3060

a=8.6501(8)Å b=25.738(2)Å c=10.9358(10)Å

α=90.00° β=97.901(2)° γ=90.00°

3,3,6,6-Tetramethyl-9-(2-oxo-1,2-dihydroquinolin-3-yl)- 1,2,3,4,5,6,7,8-octahydro-9H-xanthene-1,8-dione

C₂₆H₂₇NO₄

S. Selvanayagam Jasmin Paul D. Velmurugan K. Ravikumar R. Rathna Durga

Acta Crystallographica Section E (2005) 61, 11 o3701-o3703

a=22.2713(12)Å b=11.9162(6)Å c=17.2698(9)Å

α=90.00° β=90.00° γ=90.00°

1,4-Dihydro-6-methyl-5-(N-methylcarbamoyl)-4-(4-nitrophenyl)pyrimidine- 2(3H)-thione monohydrate

C₁₃H₁₄N₄O₃S_,H₂O

Balasubramanian Sridhar Krishnan Ravikumar

Acta Crystallographica Section E (2005) 61, 12 o4130-o4132

a=4.8373(5)Å b=9.8906(11)Å c=16.0930(17)Å

α=81.414(2)° β=84.968(2)° γ=86.248(2)°

6-[(Z)-Benzylidene]-2,3-diphenyl-2-azabicyclo[2.2.2]octan-5-one

C₂₆H₂₃NO

K. Ravikumar B. Sridhar M. Mahesh V. V. Narayana Reddy

Acta Crystallographica Section E (2005) 61, 12 o4198-o4199

a=10.1554(9)Å b=16.5088(15)Å c=11.7903(11)Å

α=90.00° β=97.154(2)° γ=90.00°

T(3),t(5)-Dimethyl N-nitroso-r(2),c(6)-bis(o-chlorophenyl)piperidine-4-one oxime.

C₁₉H₁₉Cl₂N₃O₂

Hema, R.Parthasarathi, V.Ravikumar, K.Sridhar, B.Pandiarajan, K.Muthukumaran, G.

Acta Crystallographica Section E (2005) 61, 12 o3987-o3989

a=7.9168(7)Å b=8.5941(8)Å c=14.1572(13)Å

α=90.225(2)° β=101.459(2)° γ=94.810(2)°

4'-(4-Bromobenzoyl)-1'-methyl-dispiro[indole-3(2H),2'-pyrrolidine- 3',3''(2''H)-indole]-2,2''-dione

C₂₆H₂₀BrN₃O₃

K. Palani M. N. Ponnuswamy A. R. Suresh Babu R. Raghunathan K. Ravikumar

Acta Crystallographica Section E (2005) 61, 12 o4254-o4256

a=9.9029(11)Å b=10.2823(11)Å c=11.6261(13)Å

α=104.370(2)° β=94.036(2)° γ=101.771(2)°

T-3-Methyl-1-nitroso-r-2,c-6-diphenylpiperidin-4-one oxime monohydrate

C₁₈H₁₉N₃O_2,H₂O

Hema, R.Parthasarathi, V.Ravikumar, K.Pandiarajan, K.Muthukumaran, G.

Acta Crystallographica Section E (2005) 61, 12 o4348-o4350

a=7.9578(13)Å b=7.0567(12)Å c=15.642(3)Å

α=90.00° β=100.483(3)° γ=90.00°

R-2,c-6-Bis(4-chlorophenyl)-t-3,t-5-dimethyl-1-nitrosopiperidin-4-one oxime

C₁₉H₁₉Cl₂N₃O₂

Hema, R.Parthasarathi, V.Ravikumar, K.Sridhar, B.Pandiarajan, K.

Acta Crystallographica Section E (2005) 61, 12 o4345-o4347

a=12.3909(9)Å b=11.1670(8)Å c=14.1980(10)Å

α=90.00° β=100.9910(10)° γ=90.00°

2-(Methylsulfanyl)-1H-benzimidazole

C₈H₈N₂S

G. Y. S. K. Swamy K. Ravikumar

Acta Crystallographica Section E (2005) 61, 12 o4200-o4202

a=6.9279(4)Å b=11.4613(7)Å c=10.1980(7)Å

α=90.00° β=99.0520(10)° γ=90.00°

2-(4-Hydroxy-3-methoxyphenyl)-1-phenethyl-1,2-dihydroquinazolin-4(3H)-one

C₂₃H₂₂N₂O₃

G. Y. S. K. Swamy K. Ravikumar

Acta Crystallographica Section E (2005) 61, 12 o4238-o4240

a=36.113(5)Å b=6.8124(9)Å c=15.931(2)Å

α=90.00° β=105.504(2)° γ=90.00°

C-5-Hydroxy-r-2,c-4-bis(isopropoxycarbonyl)-t-5-methyl-t-3-phenylcyclohexanone

C₂₁H₂₈O₆

Hema, R.Parthasarathi, V.Ravikumar, K.Pandiarajan, K.Murugavel, K.

Acta Crystallographica Section E (2006) 62, 2 o703-o705

a=35.775(6)Å b=5.7948(10)Å c=20.174(3)Å

α=90.00° β=99.893(3)° γ=90.00°

3,t-6-Dihydroxy-t-5-methoxycarbonyl-c-6-methyl-r-4-phenyl-4,5,6,7-tetrahydro- 1H-indazole

C₁₆H₁₈N₂O₄

Hema, R.Parthasarathi, V.Ravikumar, K.Sridhar, B.Pandiarajan, K

Acta Crystallographica Section E (2006) 62, 2 o656-o658

a=9.3871(4)Å b=14.7295(6)Å c=21.6478(9)Å

α=90.00° β=90.00° γ=90.00°

Dimethyl 7-(N,N-dimethylamino)-3-(2-methoxybenzoyl)indolizine-1,2-dicarbxylate

C₂₂H₂₂N₂O₆

Hema, R.Parthasarathi, V.Ravikumar, K.Sarkunam, K.Nallu, M.

Acta Crystallographica Section E (2006) 62, 2 o706-o707

a=28.878(3)Å b=8.0015(8)Å c=18.7634(18)Å

α=90.00° β=109.547(2)° γ=90.00°

17-allyl-16,17a-dioxo-17-aza-D-homoestra-1,3,5(10)-trien-3-ol

C₂₁H₂₅NO₃

Hema, R.Parthasarathi, V.Ranju Bansal Ravikumar, K.Sridhar, B.

Acta Crystallographica Section E (2006) 62, 2 o653-o655

a=7.8071(8)Å b=12.0975(12)Å c=18.3120(19)Å

α=90.00° β=90.00° γ=90.00°

Ethyl (E)-2-benzoyl-3-phenylpropenoate

C₁₈H₁₆O₃

Hema, R.Parthasarathi, V.Ravikumar, K.Sridhar, B.Pandiarajan, K.

Acta Crystallographica Section E (2006) 62, 2 o708-o710

a=10.8099(8)Å b=7.2746(5)Å c=18.5285(13)Å

α=90.00° β=94.3260(10)° γ=90.00°

16-Cyano-13α-(5-methyl-1,3,4-oxadiazol-2-yl)-13,16-seco-17-nor- androst-4-en-3-one

C₂₁H₂₇N₃O₂

Sundar, T. V.Parthasarathi, V.Bansal, Ranju Ravikumar, K.Sridhar, B.

Acta Crystallographica Section E (2006) 62, 3 o1019-o1021

a=6.0831(11)Å b=7.6736(14)Å c=20.614(4)Å

α=90.00° β=95.796(3)° γ=90.00°

4-Amino-1-(4-nitrobenzyl)pyridinium bromide

C₁₂H₁₂N₃O_2,Br

Sundar, T. V.Parthasarathi, V.Ravikumar, K.Venkatesan, P.Nallu, M.

Acta Crystallographica Section E (2006) 62, 3 o1118-o1120

a=6.7257(4)Å b=14.3806(8)Å c=26.0364(15)Å

α=90.00° β=90.00° γ=90.00°

4-amino-6-tert-butyl-3-thioxo-3,4-dihydro-1,2,4-triazin-5(2H)-one

C₇H₁₂N₄OS

B. Sridhar K. Ravikumar H. S. Yathirajan H. G. Anilkumar B. Narayana

Acta Crystallographica Section E (2006) 62, 4 o1382-o1383

a=12.5196(8)Å b=6.9535(4)Å c=12.5987(8)Å

α=90.00° β=112.0390(10)° γ=90.00°

Methyl 3-(2-chloro-5-ethyl-3-pyridinyl)-3-hydroxy-2- methylenepropanoate

C₁₂H₁₄ClNO₃

G. Y. S. K. Swamy K. Ravikumar P. Narender V. Jayathirtha Rao

Acta Crystallographica Section E (2006) 62, 4 o1612-o1614

a=10.5383(15)Å b=10.9564(16)Å c=11.0465(16)Å

α=90.00° β=107.534(2)° γ=90.00°

1'-(4-Methoxybenzoyl)acenaphthene-1-spiro-3'-pyrrolizidine-2'-spiro-3''- 1H-indole-2,2''(1H,3''H)-dione

C₃₃H₂₆N₂O₄

M. M. Govind S. Selvanayagam D. Velmurugan K. Ravikumar A. R. Sureshbabu R. Raghunathan

Acta Crystallographica Section E (2004) 60, 5 o873-o875

a=10.2215(11)Å b=10.6228(12)Å c=12.3584(13)Å

α=104.178(2)° β=97.238(2)° γ=91.499(2)°

41'-Methyl-4'-(3,4,5-trimethoxyphenyl)dispiro[indene-2,3'-pyrrolidine- 2',3''-indole]-1,2'',3(1''H)-trione

C₂₉H₂₆N₂O₆

P. R. Seshadri S. Selvanayagam D. Velmurugan K. Ravikumar A. R. Sureshbabu K. Parthasarathy R. Raghunathan

Acta Crystallographica Section E (2004) 60, 4 o553-o555

a=10.3884(7)Å b=23.2621(14)Å c=11.1685(7)Å

α=90.00° β=108.6330(10)° γ=90.00°

1-N-methyl-spiro [2-2']-acenaphthen-1'-one-spiro-[3-2"] indan-1",3"-dione- 4-phenyl pyrrolidine

C₃₀H₂₁NO₃

M. M. Govind S. Selvanayagam D. Velmurugan K. Ravikumar A. R. Sureshbabu R. Raghunathan

Acta Crystallographica Section E (2004) 60, 4 o547-o549

a=7.9022(7)Å b=11.9197(10)Å c=12.0382(10)Å

α=84.444(2)° β=84.649(2)° γ=84.176(2)°

5,7-Dibromo-4'-(4-bromobenzoyl)-1'-methyl-1H-indole-3-spiro-2'-pyrrolidine- 3'-spiro-3''-1H-indole-2,2''(3H,3''H)-dione methanol solvate

C₂₆H₁₈Br₃N₃O_3,CH₄O

P. R. Seshadri S. Selvanayagam D. Velmurugan K. Ravikumar A. R. Sureshbabu R. Raghunathan

Acta Crystallographica Section E (2004) 60, 5 o870-o872

a=46.242(4)Å b=7.7993(6)Å c=15.3204(12)Å

α=90.00° β=98.958(2)° γ=90.00°

Olanzapinium nicotinate

C₁₇H₂₁N₄S_,C₆H₄NO₂

K. Ravikumar G. Y. S. K. Swamy B. Sridhar S. Roopa

Acta Crystallographica Section E (2005) 61, 8 o2720-o2723

a=9.2565(10)Å b=11.2224(12)Å c=12.0629(13)Å

α=63.164(2)° β=87.485(2)° γ=83.735(2)°

4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-hydroxy-1-[2-(2-methyl-4-oxo-3,4,6,7,8,9- hexahydro-2H-pyrido[1,2-a]pyrimidin-3-yl)ethyl]piperidine N-oxide

C₂₃H₂₇FN₄O_3,H₂O_2,CH₄O

K. Ravikumar B. Sridhar S. G. Manjunath Saji Thomas

Acta Crystallographica Section E (2005) 61, 8 o2515-o2517

a=37.007(4)Å b=7.7558(8)Å c=17.214(2)Å

α=90.00° β=105.503(2)° γ=90.00°

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

C₁₉H₂₁BrN₂O₂S

S. Selvanayagam D. Velmurugan K. Ravikumar M. Poornachandran R. Raghunathan

Acta Crystallographica Section E (2005) 61, 8 o2493-o2495

a=17.7114(13)Å b=7.8569(6)Å c=14.3048(10)Å

α=90.00° β=110.5890(10)° γ=90.00°

N-{3-(4-Chlorophenyl)-6-[(Z)-(4-chlorophenyl)methylidene]-2-phenyl- 2-azabicyclo[2.2.2]oct-5-ylidene}aniline

C₃₂H₂₆Cl₂N₂

K. Ravikumar B. Sridhar M. Mahesh V. V. Narayana Reddy

Acta Crystallographica Section E (2006) 62, 1 o318-o320

a=14.3560(6)Å b=10.0621(4)Å c=18.3872(8)Å

α=90.00° β=91.4270(10)° γ=90.00°

4'-(4-Methylbenzoyl)-1'-methyldispiro[indole-3(2H),2'-pyrrolidine- 3',3''(2''H)-indole]-2,2''-dione

C₂₇H₂₃N₃O₃

K. Palani M. N. Ponnuswamy A. R. Suresh Babu R. Raghunathan K. Ravikumar

Acta Crystallographica Section E (2006) 62, 1 o52-o54

a=9.6158(10)Å b=10.3812(11)Å c=11.7099(12)Å

α=105.047(2)° β=94.850(2)° γ=100.087(2)°

N-Benzyl-N-[4-(methylsulfanyl)-3-nitro-4H-chromen-2-yl]amine

C₁₇H₁₆N₂O₃S

Sundari Bhaskaran D. Velmurugan K. Ravikumar K. Geetha H. Surya Prakash Rao

Acta Crystallographica Section E (2006) 62, 1 o188-o190

a=10.6411(7)Å b=19.6795(12)Å c=8.2268(5)Å

α=90.00° β=109.7950(10)° γ=90.00°

Methyl [8-(3,5-dimethylpyrazol-1-ylmethyl)-4-methyl-2-oxo-2H-chromen-7- yloxy]acetate 0.19-hydrate

C₁₉H₂₀N₂O_5,0.19H₂O

Thamotharan, S.Parthasarathi, V.Shinge, Prashant S.Badami, Bharati Ravikumar, K.

Acta Crystallographica Section E (2004) 60, 7 o1213-o1214

a=8.8151(9)Å b=10.6692(11)Å c=10.9050(11)Å

α=96.281(2)° β=108.032(2)° γ=108.383(2)°

Benzyl 3,5-bis(1H-benzotriazol-1-ylmethyl)phenyl ether

C₂₇H₂₂N₆O

S. Selvanayagam D. Velmurugan K. Ravikumar M. Dhanasekaran P. Rajakumar

Acta Crystallographica Section E (2004) 60, 11 o2165-o2167

a=8.5494(9)Å b=9.5609(10)Å c=27.627(3)Å

α=90.00° β=98.780(2)° γ=90.00°

5''-Benzylidene-1',1''-dimethyl-4'-phenyl-acenapthene-2-spiro-2'- pyrrolidine-3'-spiro-3''-piperidine-1,4''-dione

C₃₄H₃₀N₂O₂

P. G. Aravindan S. Selvanayagam D. Velmurugan K. Ravikumar Gowri Sridhar R. Raghunathan

Acta Crystallographica Section E (2004) 60, 11 o2149-o2151

a=16.66090(10)Å b=10.4558(9)Å c=17.4457(2)Å

α=90.00° β=116.5890(10)° γ=90.00°

1'-Methyl-4'-phenyl-9H-fluorene-9-spiro-3'-pyrrolidine-2'-spiro-3''- 1H-indol-2''(3''H)-one

C₃₀H₂₄N₂O

P.G.Aravindan S.Selvanayagam D.Velmurugan K.Ravikumar J. Jayashankaran R.Raghunathan

Acta Crystallographica Section E (2004) 60, 11 o2152-o2154

a=18.17520(10)Å b=13.6193(9)Å c=18.48700(10)Å

α=90.00° β=90.00° γ=90.00°

Α-{3-[2-(Dimethylammonio)ethyl]-1H-indol-5-yl}-N-methylmethanesulfonamide (sumatriptan) succinate

C₁₄H₂₂N₃O₂S_1,C₄H₅O₄₁

K. Ravikumar G. Y. S. K. Swamy Harihara Krishnan

Acta Crystallographica Section E (2004) 60, 4 o618-o620

a=9.9076(9)Å b=11.2342(10)Å c=18.7010(16)Å

α=90.00° β=92.602(2)° γ=90.00°

2'-(4-Bromobenzoyl)acenaphthene-1-spiro-3'-pyrrolizidine-1'-spiro-3''- indole-2,2''(1H,3''H)-dione monohydrate

C₃₂H₂₃BrN₂O_3,H₂O

Govind, M. M.Selvanayagam, S.Velmurugan, D.Ravikumar, K.Suresh Babu, A. R.Raghunathan, R.

Acta Crystallographica Section E (2004) 60, 4 o604-o606

a=9.4878(8)Å b=22.4857(18)Å c=12.6805(10)Å

α=90.00° β=101.500(2)° γ=90.00°

5,7-Dibromo-1'-methyl-2'-(4-methoxybenzoyl)-1H-indole-3-spiro-2'-pyrrolidine- 3'-spiro-3''-1H-indole-2,2''(3H,3''H)-dione methanol solvate

C₂₇H₂₁Br₂N₃O_4,CH₄O

P.R.Seshadri S.Selvanayagam D.Velmurugan K.Ravikumar A.R.Sureshbabu R.Raghunathan

Acta Crystallographica Section E (2004) 60, 4 o550-o552

a=23.285(2)Å b=7.8966(7)Å c=15.1669(14)Å

α=90.00° β=96.979(2)° γ=90.00°

N,6-Bis(4-fluorophenyl)-2-(4-hydroxyphenyl)-3,4,5,6-tetrahydro-2H-pyran- 3-carboxamide

C₂₄H₂₁F₂NO₃

G. Y. S. K. Swamy K. Ravikumar L. K. Wadhwa Rahul Saxena Saranjit Singh

Acta Crystallographica Section E (2005) 61, 11 o3608-o3610

a=6.1397(5)Å b=7.6596(7)Å c=11.1439(10)Å

α=72.4840(10)° β=89.9790(10)° γ=85.553(2)°

(Z)-[2-(1-Methyl-1H-indol-3-yl)methylidene]cyclohexanone

C₁₆H₁₇NO

K. Ravikumar B. Sridhar C. J.Saikia R. C. Boruah

Acta Crystallographica Section E (2005) 61, 11 o3672-o3673

a=7.9154(9)Å b=13.7376(14)Å c=22.980(3)Å

α=90.00° β=90.00° γ=90.00°

Lamotrigine benzoate dimethylformamide solvate

C₉H₈N₅Cl_2,C₇H₅O_2,C₃H₇NO

Balasubramanian Sridhar Krishnan Ravikumar

Acta Crystallographica Section E (2005) 61, 11 o3805-o3807

a=8.9585(13)Å b=10.5522(15)Å c=12.3183(18)Å

α=79.442(2)° β=78.703(2)° γ=71.864(2)°

1'-Methyl-4',5-diphenyl-5,6,7,8,9,10-hexahydro-1,3- cycloheptapyrimidino[2,3-b]thiazole-2-spiro-3'-pyrrolidine-2'-spiro- 3''-1H-indole-2'',3(2H,3''H)-dione

C₃₄H₃₂N₄O₂S

D. Gayathri D. Velmurugan K. Ravikumar M. Purvachandran R. Raghunathan

Acta Crystallographica Section E (2005) 61, 11 o3556-o3558

a=10.4830(10)Å b=12.1330(10)Å c=12.8700(10)Å

α=96.240(10)° β=108.270(10)° γ=107.140(10)°

3'-Nitro-4'-(4-methylphenyl)spiro[1H-indole-3,2'-pyrrolidin]-2-one

C₁₉H₁₉N₃O₃

S. Selvanayagam P. Rathisuganya B. Shaherin D. Velmurugan K. Ravikumar M. Poornachandran

Acta Crystallographica Section E (2005) 61, 11 o3693-o3695

a=9.8697(8)Å b=16.4460(14)Å c=21.4643(18)Å

α=90.00° β=90.00° γ=90.00°

4-[3-Benzoyl-4-(4-chlorophenyl)-1-methylpyrrolidin-2-yl]-1-(4-methoxyphenyl)- 3-phenylazetidine-2-one

C₃₄H₃₁ClN₂O₃

S. Selvanayagam D. Velmurugan K. Ravikumar E. Ramesh

Acta Crystallographica Section E (2005) 61, 11 o3696-o3698

a=11.3180(8)Å b=11.6376(8)Å c=23.0980(16)Å

α=90.00° β=103.0000(10)° γ=90.00°

34,35-Dimethyl-13,20-dioxa-10,23-diaza-3,30- dithiapentacyclo[30.4.0.0^4,9^.0^14,19^.0^24,29^]hexatriconta- 1(36),4,6,8,14,16,18,24,26,28,32,34-dodecane-11,22-dione

C₃₂H₃₀N₂O₄S₂

Sundari Bhaskaran S. Selvanayagam V. Rajakannan D. Velmurugan K. Ravikumar A. Mohammed Abdul Rasheed P. Rajakumar

Acta Crystallographica Section E (2003) 59, 9 o1304-o1306

a=8.5860(7)Å b=12.9090(10)Å c=14.7552(11)Å

α=65.0650(10)° β=84.7010(10)° γ=76.5220(10)°

3-Chloro-3-(9-ethyl-6-methyl-9H-carbazol-3-yl)propenal

C₁₈H₁₆ClNO

Aravindan, P. G.Selvanayagam, S.Yogavel, M.Velmurugan, D.Ravikumar, K.Nagarajan, N.Perumal, P. T.

Acta Crystallographica Section E (2003) 59, 9 o1432-o1434

a=7.3191(7)Å b=8.9264(9)Å c=12.2024(12)Å

α=105.247(2)° β=91.771(2)° γ=104.378(2)°

1-Methyl-4'-(3-nitrophenyl)-1H-indole-3-spiro-2'-pyrrolidine-3'- spiro-2''-indan-2,1'',3''-trione

C₂₆H₁₉N₃O₅

P.R.Seshadri S.Selvanayagam D.Velmurugan K.Ravikumar A.R.Sureshbabu R.Raghunathan

Acta Crystallographica Section E (2003) 59, 12 o2025-o2027

a=7.7610(6)Å b=11.6696(10)Å c=11.9952(9)Å

α=93.392(2)° β=91.0920(10)° γ=93.6600(10)°

Bis(DL-alanine)tetraaquacobalt(II) dinitrate

C₆H₂₂CoN₂O_8,2NO₃

K.Rajagopal R.V.Krishnakumar K.Ravikumar S.Natarajan

Acta Crystallographica Section E (2003) 59, 8 m562-m564

a=5.5021(6)Å b=6.6396(8)Å c=23.821(3)Å

α=90.00° β=96.220(10)° γ=90.00°

N-(4a-Morpholino-2,3,4,4a,9,9a-hexahydro-1H-xanthen-9-yl)phenylamine

C₂₃H₂₈N₂O₂

Sundari Bhaskaran S. Selvanayagam D. Velmurugan K. Ravikumar M. Anniyappan D. Muralidharan P. T. Perumal

Acta Crystallographica Section E (2003) 59, 9 o1301-o1303

a=9.6452(7)Å b=10.1247(8)Å c=11.1168(9)Å

α=81.3590(10)° β=80.1650(10)° γ=64.9200(10)°

2'-p-Chlorobenzoyl-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.

C₂₉H₂₁ClN₂O₄

P. R. Seshadri S. Selvanayagam D. Velmurugan K. Ravikumar A. R. Sureshbabu R. Raghunathan

Acta Crystallographica Section E (2004) 60, 1 o126-o128

a=8.0057(6)Å b=11.7864(9)Å c=13.6991(11)Å

α=109.1640(10)° β=102.1900(10)° γ=96.4840(10)°

Teuscordin

C₂₀H₂₂O₆

S. Soundarya Devi R. Malathi S. S. Rajan S. Aravind G. N. Krishnakumari K. Ravikumar

Acta Crystallographica Section E (2004) 60, 1 o117-o119

a=7.7363(7)Å b=9.5260(8)Å c=11.8422(10)Å

α=90.00° β=96.134(2)° γ=90.00°

Furodysinin lactone

C₁₅H₂₀O₃

K. Ravikumar S. Selvanayagam T. Venkateshwar Goud P. Krishnaiah Y. Venkateswarlu

Acta Crystallographica Section E (2004) 60, 1 o139-o141

a=7.1736(7)Å b=8.7391(9)Å c=21.301(2)Å

α=90.00° β=90.00° γ=90.00°

1-N-methyl-Spiro-[2 -3'] oxindole-spiro-[3-2"] indan-1",3"dione 4-[2"'- chlorophenyl] pyrrolidine

C₂₆H₁₉ClN₂O₃

P. R. Seshadri S. Selvanayagam D. Velmurugan K. Ravikumar A. R. Sureshbabu R. Raghunathan

Acta Crystallographica Section E (2004) 60, 1 o51-o53

a=7.8394(6)Å b=11.6760(9)Å c=11.8628(10)Å

α=85.6570(10)° β=89.7520(10)° γ=83.726(2)°

1-(2-Cholorophenyl)-1H-indan-2-spiro-2'-pyrrolizidine-3'-spiro-3''- 1H-indole-1,3,2''(2H,3''H)-trione

C₂₈H₂₁ClN₂O₃

M. M. Govind S. Selvanayagam D. Velmurugan K. Ravikumar A. R. Sureshbabu R.Raghunathan

Acta Crystallographica Section E (2004) 60, 1 o54-o56

a=10.8456(6)Å b=14.1502(8)Å c=15.2068(9)Å

α=90.00° β=92.0530(10)° γ=90.00°

L-Threoninium trichloroacetate

C₄H₁₀NO_3,C₂Cl₃O₂

Rajagopal, K.Franklin, R. Dinesh Krishnakumar, R. V.Ravikumar, K.Natarajan, S.

Acta Crystallographica, Section E (2004) 60, 8 o1354-o1356

a=10.3290(11)Å b=10.4271(11)Å c=10.7795(11)Å

α=90.00° β=103.115(12)° γ=90.00°

(3R,6S,6aR,9S,9aS)-6,6a,9-Trihydroxy-3,6,9a- trimethylperhydroazuleno[1,2-b]furan-2-one

C₁₅H₂₄O₅

G. Y. S. K. Swamy K. Ravikumar Biswanath Das G. Mahender

Acta Crystallographica Section E (2005) 61, 1 o121-o123

a=7.0046(8)Å b=13.1146(14)Å c=8.4316(9)Å

α=90.00° β=109.753(2)° γ=90.00°

1'-Methyl-2''-phenylcyclohexane-1-spiro-4'-[acenapthene-1-spiro-2'- pyrrolidine-3'-spiro-4''-[1,3]oxazole]-2,5''-dione

C₂₉H₂₆N₂O₃

S. Selvanayagam D. Velmurugan K. Ravikumar J. Jayashankaran R. Rathna Durga R. Raghunathan

Acta Crystallographica Section E (2004) 60, 12 o2216-o2218

a=9.8626(8)Å b=10.4697(9)Å c=12.5629(11)Å

α=114.0490(10)° β=103.9460(10)° γ=92.633(2)°

6,10-bis(acetyloxy)-8-isopropyl-4,4,11a-trimethyl-2-oxo-2,3,4,6,11,11a- hexahydrobenzo[5,6]cyclohepta[1,2-b]pyran-9-yl acetate

C₂₆H₃₂O₈

K. Ravikumar B. Sridhar M. Marathanda Murthy

Acta Crystallographica Section E (2005) 61, 2 o380-o382

a=10.4278(5)Å b=13.3828(6)Å c=18.0857(9)Å

α=90.00° β=90.00° γ=90.00°

7-chloro-8-fluoro-4-phenyl-2,3,3a,4,5,9b-hexahydrofuro[3,2-c]quinoline

C₁₇H₁₅ClFNO

K. Ravikumar B. Sridhar M. Mahesh V. V. Narayana Reddy

Acta Crystallographica Section E (2005) 61, 1 o102-o104

a=25.826(2)Å b=6.8065(6)Å c=17.2924(16)Å

α=90° β=102.490(2)° γ=90°

4-(4-chlorophenyl)-2,3,3a,4,5,9b-hexahydrofuro[3,2-c]quinoline

C₁₇H₁₆ClNO

Ravikumar, K.Sridhar, B.Mahesh, M.Narayana Reddy, V. V.

Acta Crystallographica Section E (2005) 61, 1 o195-o197

a=14.1068(9)Å b=9.5526(6)Å c=21.1298(13)Å

α=90.00° β=90.00° γ=90.00°

Bharangin triacetate

C₂₆H₃₂O₈

Ravikumar, K.Sridhar, B.Marthanda Murthy, M.

Acta Crystallographica Section E (2005) 61, 3 o687-o689

a=8.1986(5)Å b=14.0252(9)Å c=23.4820(10)Å

α=90.00° β=90.00° γ=90.00°

Methyl 6α-hydroxy-3,13-clerodadien-15,16-olid-18-oate

C₂₁H₃₀O₅

K. Ravikumar B. Sridhar Biswanath Das K. Venkateswarlu

Acta Crystallographica Section E (2005) 61, 4 o854-o856

a=10.3572(5)Å b=11.6812(5)Å c=15.5784(7)Å

α=90.00° β=90.00° γ=90.00°

1-[2-hydroxy-4-methoxy-5-(3-methylbut-2-enyl)phenyl]-3-(4-hydroxyphenyl)prop- 2-en-1-one

C₂₁H₂₂O₄

K. Ravikumar B. Sridhar P. Aparna J. Madhusudana Rao

Acta Crystallographica Section E (2005) 61, 4 o1020-o1022

a=7.5025(5)Å b=22.5080(15)Å c=11.1960(7)Å

α=90.00° β=101.6390(10)° γ=90.00°

1'-Phenyl-2',3',5',6',7',7a'-hexahydroindan-2-spiro-2'-1H-pyrrolizidine-3'- spiro-11'-indeno[1,2-b]quinoxaline-1,3-dione

C₃₅H₂₅N₃O₂

D. Gayathri P. G. Aravindan D. Velmurugan K. Ravikumar A. R. Sureshbabu

Acta Crystallographica Section E (2005) 61, 10 o3124-o3126

a=11.1149(14)Å b=12.4670(16)Å c=18.646(2)Å

α=90.00° β=99.415(2)° γ=90.00°

2,3,3a,4,5,9b-hexahydro-4-phenylfuro[3,2-c]quinoline

C₁₇H₁₇NO

K. Ravikumar B. Sridhar M. Mahesh V. V. Narayana Reddy

Acta Crystallographica Section E (2006) 62, 2 o542-o544

a=9.3760(6)Å b=9.9065(6)Å c=16.0140(10)Å

α=96.9540(10)° β=102.0050(10)° γ=110.6930(10)°

[(1S-cis)-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthy]methylammonium chloride

C₁₇H₁₈Cl₂N_,Cl

K. Ravikumar B. Sridhar M. N. Bhanu

Acta Crystallographica Section E (2006) 62, 2 o565-o567

a=7.289(6)Å b=7.396(7)Å c=32.66(3)Å

α=90.00° β=90.00° γ=90.00°

Sumatriptan

C₁₄H₂₁N₃O₂S

K. Ravikumar B. Sridhar Harihara Krishnan

Acta Crystallographica Section E (2006) 62, 3 o1086-o1088

a=6.3216(3)Å b=10.1290(5)Å c=24.1541(12)Å

α=90.00° β=96.3180(10)° γ=90.00°

C₁₆H₁₅NO₄S

Kumaradhas, P.Kalyanam, N.Ravikumar, K.Chandra Mohan, K.Sridhar, M.A.Shashidhara Prasad, J.Nirmala, K.A.

Acta Crystallographica Section C (1999) 55, 4 614-615

a=6.6980(10)Å b=7.1710(10)Å c=30.604(5)Å

α=90.00° β=90.00° γ=90.00°

C₃₀H₂₆N₂O₄S₂

Govindasamy, Lakashmanan Velmurugan, D.Ravikumar, K.Mohanakrishnan, A. K.

Acta Crystallographica Section C (1998) 54, 2 277-279

a=10.1840(10)Å b=10.9410(10)Å c=13.4410(10)Å

α=84.80(2)° β=67.94(2)° γ=82.65(2)°

C₂₃H₂₁NO₆S

Lakshmanan Govindasamy Velmurugan, D.Ravikumar, K.Mohanakrishnan, A.K.

Acta Crystallographica Section C (1997) 53, 7 929-931

a=7.9290(10)Å b=11.001(2)Å c=12.436(2)Å

α=75.540(10)° β=83.540(10)° γ=89.780(10)°

C₁₃H₂₂O₅

Bidyasagar, M.Ravikumar, K.Hassan, S. J.Yadav, J. S.

Acta Crystallographica Section C (1996) 52, 3 687-689

a=9.458(1)Å b=9.644(1)Å c=9.889(1)Å

α=94.81(2)° β=117.76(2)° γ=114.16(2)°

C₁₇H₂₂O₄

Ravikumar, K.Chandra Mohan, K.Shekharam, T.Yadav, J. S.

Acta Crystallographica Section C (1995) 51, 3 449-451

a=9.240(2)Å b=10.761(2)Å c=15.217(3)Å

α=90° β=90° γ=90°

C₁₂H₁₀CuN₂O₆

Ravikumar, K.Swamy, G. Y. S. K.Venkata Lakshmi, N.

Acta Crystallographica Section C (1995) 51, 4 608-611

a=10.076(1)Å b=11.372(1)Å c=10.571(1)Å

α=90.0° β=100.33(2)° γ=90.0°

C₂₃H₃₀O₄

Bidya Sagar, M.Ravikumar, K.Rama Rao, A. V.Machender Reddy, M.Singh, A. K.

Acta Crystallographica Section C (1995) 51, 3 451-454

a=8.877(2)Å b=12.179(3)Å c=9.734(2)Å

α=90.° β=106.11(2)° γ=90.°

C₂₂H₂₇FO

Ravikumar, K.

Acta Crystallographica Section C (1993) 49, 6 1180-1182

a=11.9410(10)Å b=18.423(2)Å c=8.7910(10)Å

α=90.° β=90.49(2)° γ=90.°

C₁₉H₁₈N₂O₂

Ravikumar, K.Mohan, K. C.Roy, S.Singh, A. K.

Acta Crystallographica Section C (1996) 52, 2 403-405

a=9.163(1)Å b=8.370(1)Å c=21.786(3)Å

α=90.° β=96.95(2)° γ=90.°

C₂₁H₁₇NO₅S

Govindasamy, L.Velmurugan, D.Ravikumar, K.Mohanakrishnan, A.K.

Acta Crystallographica Section C (1997) 53, 6 771-773

a=12.8680(10)Å b=14.9510(10)Å c=20.4360(10)Å

α=90.00° β=105.580(10)° γ=90.00°

C₂₃H₃₀O₄

Bidyasagar, M.Ravikumar, K.Rama Rao, A. V.Reddy, M. M.Singh, A. K.

Acta Crystallographica Section C (1995) 51, 10 2102-2105

a=11.203(2)Å b=12.368(2)Å c=14.849(3)Å

α=90° β=99.8(2)° γ=90°

C₁₈H₁₇N₁O₄S₁

Kumaradhas, P.Nirmala, K. A.Ravikumar, K.

Acta Crystallographica Section C (1995) 51, 9 1932-1934

a=11.984(2)Å b=8.769(1)Å c=16.215(2)Å

α=90° β=91.24(2)° γ=90°

C₂₃H₃₁Cl₂N₃O_2,H₂O₁

Mehdi, S.Ravikumar, K.

Acta Crystallographica Section C (1992) 48, 9 1627-1630

a=14.686(5)Å b=7.590(2)Å c=23.578(6)Å

α=90° β=107.470(10)° γ=90°

C₁₇H₂₁N₃O₆

Ravikumar, K.Mehdi, S.

Acta Crystallographica Section C (1993) 49, 11 2027-2030

a=10.196(2)Å b=9.233(2)Å c=20.068(4)Å

α=90° β=90.330(10)° γ=90°

C₁₈H₂₀N₃O_,Cl_,2H₂O

Chandra Mohan, K.Ravikumar, K.

Acta Crystallographica Section C (1995) 51, 12 2627-2629

a=15.185(2)Å b=9.810(1)Å c=12.823(2)Å

α=90° β=100.89(2)° γ=90°

C₂₂H₁₆BrNO₄S

Govindasamy, L.Velmurugan, D.Ravikumar, K.Mohanakrishnan, A.K.

Acta Crystallographica Section C (1998) 54, 5 635-637

a=9.012(2)Å b=13.492(2)Å c=16.808(2)Å

α=90.00° β=95.9910(10)° γ=90.00°

C₁₅H₁₂BrNO₄

Chandra Mohan, K.Ravikumar, K.Vittal, T. V. S. K.Gido, C. K.

Acta Crystallographica Section C (1994) 50, 4 627-629

a=7.8770(10)Å b=12.600(2)Å c=14.326(2)Å

α=90.° β=96.680(10)° γ=90.°

C₁₇H₁₅N₁O₃

Ravikumar, K.

Acta Crystallographica Section C (1994) 50, 4 589-592

a=6.0290(10)Å b=7.7080(10)Å c=30.468(5)Å

α=90.° β=94.84(2)° γ=90.°

C₂₀H₂₄N₂O₁

Ravikumar, K.Rajan, S.S.Parthasarathi, V.Thiruvalluvar, A.Jeyaraman, R.Senthilkumar, U.P.

Acta Crystallographica Section C (1994) 50, 5 827-829

a=5.903(2)Å b=11.143(5)Å c=13.912(4)Å

α=77.72(3)° β=82.83(2)° γ=83.12(3)°

C₂₀H₂₆O₃

Bidyasagar, M.Ravikumar, K.Rama Rao, A. V.Sarma, B. V. N. B. S.Singh, A. K.

Acta Crystallographica Section C (1995) 51, 7 1327-1330

a=7.572(1)Å b=13.250(2)Å c=17.376(2)Å

α=90° β=90° γ=90°

C₂₂H₁₈Br₄CdN₄O₄

Ravikumar, K.Venkata Lakshmi, N.Swamy, G. Y. S. K.Chandra Mohan, K.

Acta Crystallographica Section C (1995) 51, 8 1556-1558

a=9.776(2)Å b=10.740(2)Å c=15.135(3)Å

α=71.69(2)° β=87.93(2)° γ=63.48(2)°

C₁₅H₁₃NO₄

Chandra Mohan, K.Ravikumar, K.Vittal, T. V. S. K.Gido, C. K.

Acta Crystallographica Section C (1994) 50, 8 1294-1295

a=19.531(3)Å b=19.531(3)Å c=14.131(3)Å

α=90° β=90° γ=90°

2-phenoxymethanesulfonanilide

C₁₃H₁₃NO₃S

Chandramohan, Kattamuri Ravikumar, Krishnan

Acta Crystallographica Section C (1999) 55, 1 IUC9800078

a=8.1460(10)Å b=8.9270(10)Å c=9.2900(10)Å

α=101.140(10)° β=100.950(10)° γ=102.780(10)°

C₂₄H₃₃N₃O₆

Banumathi, S.Velmurugan, D.Ravikumar, K.Vijayalakshmi, S.Balaji Rao, R.Balaram, P.

Acta Crystallographica Section C (1999) 55, 9 1575-1577

a=11.375(3)Å b=10.438(3)Å c=12.577(4)Å

α=90.00° β=115.80(2)° γ=90.00°