Structures published

Total: 51

N-Methyl-2,4-diphenyl-7-tertiary butyl 3-azabicyclo[3.3.1]nonane

C₂₅H₃₃N

Kumaran, D.Ponnuswamy, M. N.Shanmugam, G.Ponnuswamy, S.Jeyaraman, R.Shivakumar, K.Fun, H.-K.

Acta Crystallographica Section B (1999) 55, 5 793-798

a=13.6670(10)Å b=16.414(2)Å c=9.4090(10)Å

α=90.00° β=94.540(10)° γ=90.00°

N-Acetyl-2,4-diphenyl-3-azabicyclo[3.3.1]nonane

C₂₂H₂₅NO

Kumaran, D.Ponnuswamy, M. N.Shanmugam, G.Ponnuswamy, S.Jeyaraman, R.Shivakumar, K.Fun, H.-K.

Acta Crystallographica Section B (1999) 55, 5 793-798

a=14.6870(10)Å b=12.9310(10)Å c=18.5640(10)Å

α=90.00° β=90.00° γ=90.00°

N-Methyl-2,4-diorthomethyl phenyl-9-hydroxy 3-azabicyclo[3.3.1]nonane

C₂₃H₂₉NO

Kumaran, D.Ponnuswamy, M. N.Shanmugam, G.Ponnuswamy, S.Jeyaraman, R.Shivakumar, K.Fun, H.-K.

Acta Crystallographica Section B (1999) 55, 5 793-798

a=7.6380(10)Å b=13.1880(10)Å c=18.865(2)Å

α=90.00° β=97.940(10)° γ=90.00°

N-acetyl-3-isopropyl-2,6-diphenylpiperidine

C₂₂H₂₇NO

Periyannan, P.Beemarao, M.Karthik, K.Ponnuswamy, S.Ravichandran, K.

Acta Crystallographica Section E (2020) 76, 3 377-381

a=13.3077(5)Å b=10.3009(4)Å c=13.9338(5)Å

α=90° β=104.6570(10)° γ=90°

2-Chloro-1-(3-ethyl-2,6-diphenylpiperidin-1-yl)ethanone

C₂₁H₂₄ClNO

Shreevidhyaa Suressh, V.Revathi, B. K.Abdul Basheer, S.Ponnuswamy, S.Usha, G.

Acta Crystallographica Section E (2015) 71, 2 o122

a=8.5971(9)Å b=12.9080(13)Å c=17.1114(16)Å

α=90.00° β=100.501(5)° γ=90.00°

2,2,4-Trimethyl-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine hemihydrate

C₁₂H₁₈N_2,0.5(H₂O)

Ezhilarasi, K. S.Akila, A.Ponnuswamy, S.Revathi, B. K.Usha, G.

Acta Crystallographica Section E (2015) 71, 8 o570-o571

a=9.0548(10)Å b=23.246(2)Å c=11.5613(14)Å

α=90° β=100.483(3)° γ=90°

1-[2,4-Bis(4-methoxyphenyl)-3-azabicyclo[3.3.1]nonan-3-yl]ethanone

C₂₄H₂₉NO₃

Shreevidhyaa Suressh, V.Sathya, S.Akila, A.Ponnuswamy, S.Usha, G.

Acta Crystallographica Section E (2014) 70, 11 o1171-o1172

a=7.6309(13)Å b=17.102(3)Å c=15.395(2)Å

α=90.00° β=93.886(5)° γ=90.00°

N-ethoxycarbonyl-3,5-dimethyl-cis-2,6-diphenyl piperidin-4-one

C₂₂H₂₅NO₃

Suresh Kumar, M.Ponnuswamy, M. N.Ponnuswamy, S.Jeyaraman, R.Paneerselvam, K.Soriano-Garcia, Manuel

Acta Crystallographica Section C (1998) 54, 6 870-872

a=10.404(2)Å b=9.743(2)Å c=19.096(3)Å

α=90.00° β=95.70(2)° γ=90.00°

1-Acetyl-2,6-bis(4-methoxyphenyl)-3-methyl-4-piperidone

C₂₂H₂₅NO₄

Kavitha, T.Ponnuswamy, S.Kaileshwaran, K.Ponnuswamy, M. N.

Acta Crystallographica Section E (2007) 63, 8 o3648

a=17.2799(5)Å b=10.6783(3)Å c=10.5702(3)Å

α=90.00° β=90.9510(10)° γ=90.00°

Benzodiazepine

C₁₉H₂₃N₃O

Thiruvalluvar, A Ponnuswamy, S

Acta Crystallographica Section E (2007) 63, 11 o4264-o4264

a=6.60100(10)Å b=13.8353(2)Å c=37.7572(6)Å

α=90° β=90° γ=90°

3-Ethyl-2,6-bis(4-methoxyphenyl)piperidin-4-one

C₂₁H₂₅NO₃

Kavitha, T.Ponnuswamy, S.Mohanraj, V.Ilango, S. S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2007) 63, 10 o3985-o3985

a=14.012(2)Å b=7.8060(14)Å c=17.655(3)Å

α=90.00° β=110.401(5)° γ=90.00°

1-Chloroacetyl-3,3-dimethyl-2,6-diphenylpiperidin-4-one

C₂₁H₂₂ClNO₂

Kavitha, T.Ponnuswamy, S.Jamesh, M.Umamaheshwari, J.Ponnuswamy, M. N.

Acta Crystallographica Section E (2008) 64, 10 o2041

a=13.7005(3)Å b=9.8735(2)Å c=14.8960(3)Å

α=90.00° β=112.7620(10)° γ=90.00°

2-Chloro-1-(3-methyl-2,6-diphenylpiperidin-1-yl)ethanone

C₂₀H₂₂ClNO

Shreevidhyaa Suressh, V.Prathebha, K.Abdul Basheer, S.Ponnuswamy, S.Usha, G.

Acta Crystallographica Section E Crystallographic Communications (2015) 71, 2 o135

a=8.7146(3)Å b=12.3963(4)Å c=16.6117(6)Å

α=90.00° β=101.523(2)° γ=90.00°

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

C₂₁H₂₄N₂O₄

Kavitha, T.Ponnuswamy, S.Sakthivel, P.Karthik, K.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 6 o1420

a=7.2540(3)Å b=15.0469(6)Å c=17.0741(7)Å

α=90.00° β=90.00° γ=90.00°

Piperidin-4-one

C₁₉H₁₉Cl₂NO

Ilango, S. S.Ponnuswamy, S.Gayathri, P.Thiruvalluvar, A.Butcher, R. J.

Acta Crystallographica Section E (2008) 64, 12 o2312

a=13.1627(5)Å b=22.4739(7)Å c=5.8794(2)Å

α=90° β=90° γ=90°

5-Chloroacetyl-4-methyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one

C₁₂H₁₃ClN₂O₂

Ravichandran, K.Sakthivel, P.Ponnuswamy, S.Ramesh, P.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 10 o2361

a=16.7656(4)Å b=8.8171(2)Å c=17.0125(4)Å

α=90.00° β=105.8030(10)° γ=90.00°

4-Methyl-2-oxo-2,3,4,5-tetrahydro-1H-1,5-benzodiazepine-5-carbaldehyde

C₁₁H₁₂N₂O₂

Ravichandran, K.Sakthivel, P.Ponnuswamy, S.Ramesh, P.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 10 o2362

a=5.32840(10)Å b=12.9387(4)Å c=14.6227(5)Å

α=90.00° β=97.968(2)° γ=90.00°

N~5~-Dichloroacetyltetrahydro-4-methyl-1,5-benzodiazepin-2-one hemihydrate

2(C₁₂H₁₂Cl₂N₂O₂)_,H₂O

Ravichandran, K.Sakthivel, P.Ponnuswamy, S.Shalini, M.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 10 o2551-o2552

a=8.5470(3)Å b=18.0837(6)Å c=8.8697(3)Å

α=90.00° β=95.405(2)° γ=90.00°

2,2,4-Trimethyl-5-(4-tolylsulfonyl)-2,3,4,5-tetrahydro-1H-1,5-benzodiazepine

C₁₉H₂₄N₂O₂S

Ravichandran, K.Sathiyaraj, K.Ilango, S. S.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 10 o2363-o2364

a=7.3658(3)Å b=14.8013(8)Å c=17.4556(10)Å

α=90.00° β=90.00° γ=90.00°

1-Formyl-r-2,c-6-bis(4-methoxyphenyl)-c-3,t-3-dimethylpiperidin-4-one

C₂₂H₂₅NO₄

Kavitha, T.Ponnuswamy, S.Sakthivel, P.Karthik, K.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 4 o856

a=11.7274(3)Å b=18.8556(4)Å c=9.7178(3)Å

α=90.00° β=113.5070(10)° γ=90.00°

1-Dichloroacetyl-3,3-dimethyl-2,6-diphenylpiperidin-4-one

C₂₁H₂₁Cl₂NO₂

Kavitha, T.Ponnuswamy, S.Jamesh, M.Umamaheshwari, J.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 1 o10

a=9.1084(2)Å b=10.8992(3)Å c=10.9918(3)Å

α=63.8790(10)° β=85.343(2)° γ=79.0290(10)°

1-Dichloroacetyl-r-2,c-6-bis(4-methoxyphenyl)-c-3,t-3-dimethylpiperidin-4-one

C₂₃H₂₅Cl₂NO₄

Thenmozhi, M.Ponnuswamy, S.Mohanraj, V.Vijayalakshmi, R.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 1 o11

a=23.6295(9)Å b=10.3999(4)Å c=19.2617(9)Å

α=90.00° β=107.7340(10)° γ=90.00°

T-3-Ethyl-r-2,c-6-bis(4-methoxyphenyl)-1-nitrosopiperidin-4-one

C₂₁H₂₄N₂O₄

Kavitha, T.Thenmozhi, M.Ponnuswamy, S.Sakthivel, P.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 8 o1765

a=7.2742(4)Å b=15.8459(7)Å c=16.4800(7)Å

α=90.00° β=90.00° γ=90.00°

1-Formyl-t-3,t-5-dimethyl-r-2,c-6-diphenylpiperidin-4-one

C₂₀H₂₁NO₂

Ravichandran, K.Ramesh, P.Sakthivel, P.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2010) 66, 6 o1505

a=7.4303(4)Å b=15.3567(6)Å c=29.6732(13)Å

α=90.00° β=90.00° γ=90.00°

Piperidin-4-one

C₂₁H₂₅NO

Gayathri, P.Ilango, S. S.Ponnuswamy, S.Thiruvalluvar, A.Butcher, R. J.

Acta Crystallographica Section E (2009) 65, 10 o2445

a=12.9576(3)Å b=22.6153(5)Å c=5.96000(10)Å

α=90° β=90° γ=90°

Piperidin-4-one

C₂₁H₂₅NO₃

Ponnuswamy, S.Mohanraj, V.Gayathri, P.Thiruvalluvar, A.Butcher, R. J.

Acta Crystallographica Section E (2008) 64, 12 o2328

a=5.9772(2)Å b=23.0858(8)Å c=26.7611(8)Å

α=90° β=93.543(3)° γ=90°

1-Acetyl-c-3,t-3-dimethyl-r-2,c-6-diphenylpiperidin-4-one

C₂₁H₂₃NO₂

Aravindhan, S.Ponnuswamy, S.Jamesh, M.Ramesh, P.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 8 o1974

a=7.5622(4)Å b=10.6369(5)Å c=11.1497(7)Å

α=90.00° β=100.373(3)° γ=90.00°

1-Benzoyl-c-3,t-3-dimethyl-r-2,c-6-diphenylpiperidin-4-one

C₂₆H₂₅NO₂

Aravindhan, S.Ponnuswamy, S.Umamaheswari, J.Ramesh, P.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 8 o1975

a=10.8540(9)Å b=17.8050(17)Å c=10.8853(10)Å

α=90.00° β=94.987(3)° γ=90.00°

c-3,t-3-Dimethyl-r-2,c-6-diphenylpiperidin-4-one

C₁₉H₂₁NO

Thenmozhi, M.Ponnuswamy, S.Umamaheshwari, J.Jamesh, M.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 11 o2794

a=6.0293(4)Å b=10.8198(6)Å c=12.1649(6)Å

α=98.559(2)° β=92.836(3)° γ=96.677(3)°

c-3,t-3-Dimethyl-4-oxo-r-2,c-6-diphenylpiperidine-1-carboxamide

C₂₆H₂₆N₂O₂

Thenmozhi, M.Kavitha, T.Ponnuswamy, S.Jamesh, M.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 11 o2808

a=9.6648(2)Å b=10.7938(3)Å c=11.4233(3)Å

α=101.303(2)° β=90.1580(10)° γ=113.1910(10)°

1-Chloroacetyl-r-2,c-6-bis(4-methoxyphenyl)-t-3-methylpiperidin-4-one

C₂₂H₂₄ClNO₄

Ravichandran, K.Ramesh, P.Sakthivel, P.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 11 o2883

a=8.9147(8)Å b=11.9648(10)Å c=19.1365(16)Å

α=99.729(5)° β=93.665(5)° γ=90.112(6)°

c-3,t-3-Dimethyl-r-2,c-7-diphenyl-1,4-diazepan-5-one

C₁₉H₂₂N₂O

Ravichandran, K.Ramesh, P.Sethuvasan, S.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 11 o2884

a=6.7354(4)Å b=10.6867(6)Å c=11.4186(7)Å

α=82.191(3)° β=88.218(4)° γ=80.317(3)°

1-Formyl-r-2,c-6-bis(4-methoxyphenyl)- t-3,t-5-dimethylpiperidin-4-one

C₂₂H₂₅NO₄

Kavitha, T.Sakthivel, P.Ponnuswamy, S.Ilango, S. S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 11 o2818

a=11.0954(4)Å b=14.5407(3)Å c=12.7050(4)Å

α=90.00° β=110.9770(10)° γ=90.00°

1-Chloroacetyl-r-2,c-6-bis(4-methoxyphenyl)-c-3,t-3-dimethylpiperidin-4-one

C₂₃H₂₆ClNO₄

Thenmozhi, M.Kavitha, T.Mohanraj, V.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 11 o2793

a=12.5928(4)Å b=9.4141(3)Å c=17.9070(6)Å

α=90.00° β=90.8260(10)° γ=90.00°

t-3-Ethyl-r-2,c-7-bis(4-methoxyphenyl)-1,4-diazepan-5-one

C₂₁H₂₆N₂O₃

Ravichandran, K.Ramesh, P.Sethuvasan, S.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2009) 65, 11 o2885-o2886

a=10.5190(3)Å b=13.3480(4)Å c=15.0472(4)Å

α=102.118(2)° β=93.662(2)° γ=110.287(2)°

Piperidin-4-one

C₂₁H₂₃NO₄

Gayathri, P.Sakthivel, P.Ponnuswamy, S.Thiruvalluvar, A.Butcher, R. J.

Acta Crystallographica Section E (2009) 65, 11 o2813

a=11.5409(4)Å b=12.4972(5)Å c=14.7816(6)Å

α=67.878(4)° β=74.719(3)° γ=67.123(4)°

1-Dichloroacetyl-r-2,c-6-bis(4-methoxyphenyl)-t-3,t-5-dimethylpiperidin-4-one

C₂₃H₂₅Cl₂NO₄

Ravichandran, K.Ramesh, P.Neeladevi, C.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2010) 66, 2 o263

a=8.1251(7)Å b=9.9702(9)Å c=27.649(2)Å

α=90.00° β=92.265(5)° γ=90.00°

1-Chloroacetyl-3-isopropyl-r-2,c-6-diphenylpiperidin-4-one

C₂₂H₂₄ClNO₂

Ravichandran, K.Ramesh, P.Jeganathan, P.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2010) 66, 2 o276-o277

a=10.3415(12)Å b=9.0243(9)Å c=21.438(2)Å

α=90.00° β=90.894(3)° γ=90.00°

1-Acetyl-t-3-ethyl-r-2,c-6-bis(4-methoxyphenyl)piperidin-4-one

C₂₃H₂₇NO₄

Ravichandran, K.Ponnuswamy, S.Rajesh, R.Mohanraj, V.Ponnuswamy, M. N.

Acta Crystallographica Section E (2010) 66, 2 o275

a=8.6736(11)Å b=13.4578(16)Å c=17.547(2)Å

α=90.00° β=90.00° γ=90.00°

1-Dichloroacetyl-r-2,c-6-bis(4-methoxyphenyl)-t-3-methylpiperidin-4-one

C₂₂H₂₃Cl₂NO₄

Ravichandran, K.Ramesh, P.Sakthivel, P.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2010) 66, 2 o262

a=19.3021(16)Å b=10.5886(9)Å c=10.3241(10)Å

α=90.00° β=91.445(5)° γ=90.00°

Cyclohexane-1-spiro-2'-imidazolidine-5'-spiro-1''-cyclohexan-4'-one

C₁₃H₂₂N₂O

Kavitha, T.Ponnuswamy, S.Vijayalakshmi, R.Thenmozhi, M.Ponnuswamy, M. N.

Acta Crystallographica Section E (2010) 66, 5 o1072

a=5.8270(8)Å b=10.1703(5)Å c=10.6651(4)Å

α=86.103(2)° β=81.331(3)° γ=89.720(3)°

2-Chloro-1-(2,4,4-trimethyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-1-yl)ethanone

C₁₄H₁₉ClN₂O

Thiruselvam, V.Rajakumari, D. Deepa Akila, A.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2013) 69, 6 o874

a=10.3971(3)Å b=12.2589(3)Å c=11.0994(3)Å

α=90.00° β=93.9530(10)° γ=90.00°

3-Ethyl-cis-2,6-diphenylpiperidine

C₁₉H₂₃N

Maheshwaran, V.Abdul Basheer, S.Akila, A.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2013) 69, 9 o1441

a=5.5384(5)Å b=9.2717(9)Å c=16.0483(14)Å

α=75.508(5)° β=89.474(5)° γ=81.625(5)°

2-Chloro-1-(3,3-dimethyl-2,6-diphenylpiperidin-1-yl)ethanone

C₂₁H₂₄ClNO

Prathebha, K.Revathi, B. K.Usha, G.Ponnuswamy, S.Abdul Basheer, S.

Acta Crystallographica Section E (2013) 69, 9 o1424

a=7.5488(6)Å b=9.9706(7)Å c=12.9887(10)Å

α=106.783(4)° β=93.022(4)° γ=102.347(4)°

1-Formyl-c-3,t-3-dimethyl-r-2,c-6-diphenylpiperidin-4-one

C₂₀H₂₁NO₂

Ravichandran, K.Sakthivel, P.Ramesh, P.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2012) 68, 3 o870

a=10.6604(6)Å b=15.7278(7)Å c=10.8066(5)Å

α=90.00° β=110.120(2)° γ=90.00°

3-Isopropyl-2,6-bis(4-methoxyphenyl)piperidin-4-one

C₂₂H₂₇NO₃

Ravichandran, K.Sethuvasan, S.Thirunavukarasu, K.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2012) 68, 8 o2453

a=7.5547(3)Å b=11.8792(6)Å c=22.1103(10)Å

α=90.00° β=90.00° γ=90.00°

N-Dichloroacetyl-t-3,t-5-dimethyl-r-2,c-6-diphenylpiperidin-4-one

C₂₁H₂₁Cl₂NO₂

Sugumar, P.Kayalvizhi, R.Mini, R.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2013) 69, 4 o609

a=8.278(2)Å b=9.714(3)Å c=11.847(3)Å

α=90.00° β=90.578(9)° γ=90.00°

c-3,t-5-Dimethyl-r-2,c-6-diphenylpiperidine

C₁₉H₂₃N

Sathya, S.Prathebha, K.Usha, G.Abdul Basheer, S.Ponnuswamy, S.

Acta Crystallographica Section E (2014) 70, 4 o404

a=10.1689(8)Å b=43.141(3)Å c=7.2658(5)Å

α=90.00° β=90.00° γ=90.00°

1-Dichloroacetyl-t-3-isopropyl-r-2,c-6-diphenylpiperidin-4-one

C₂₂H₂₃Cl₂NO₂

Sugumar, P.Kayalvizhi, R.Mini, R.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2013) 69, 8 o1348

a=18.4336(14)Å b=9.4516(7)Å c=11.7077(9)Å

α=90.00° β=90.00° γ=90.00°

1-(2,2-Dichloroacetyl)-3-ethyl-2,6-diphenylpiperidin-4-one

C₂₁H₂₁Cl₂NO₂

Sugumar, P.Kayalvizhi, R.Nirmala, P.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2013) 69, 5 o800

a=17.4615(13)Å b=19.0291(15)Å c=11.9501(9)Å

α=90.00° β=91.825(5)° γ=90.00°

r-2,c-6-Diphenylpiperidine

C₁₇H₁₉N

Maheshwaran, V.Abdul Basheer, S.Akila, A.Ponnuswamy, S.Ponnuswamy, M. N.

Acta Crystallographica Section E (2013) 69, 9 o1371

a=5.6450(9)Å b=11.2255(17)Å c=11.5281(17)Å

α=73.911(9)° β=89.898(9)° γ=81.466(9)°