Structures by: Durga R. R.

Total: 7

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°

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°

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°

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°

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. SelvanayagamJasmin PaulD. VelmuruganK. RavikumarR. Rathna DurgaR. 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°

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. SelvanayagamJasmin PaulD. VelmuruganK. RavikumarR. 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'-Methyl-2''-phenylcyclohexane-1-spiro-4'-[acenapthene-1-spiro-2'- pyrrolidine-3'-spiro-4''-[1,3]oxazole]-2,5''-dione

C29H26N2O3

S. SelvanayagamD. VelmuruganK. RavikumarJ. JayashankaranR. Rathna DurgaR. 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)°