Crystal structures of ethyl (2S*,2′R*)-1′-methyl-2′′,3-dioxo-2,3-dihydrodispiro[1-benzothiophene-2,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxylate and ethyl (2S*,2′R*)-5′′-chloro-1′-methyl-2′′,3-dioxo-2,3-dihydrodispiro[1-benzothiophene-2,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxylate

Crystal structures of ethyl (2S*,2′R*)-1′-methyl-2′′,3-dioxo-2,3-dihydrodispiro[1-benzothiophene-2,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxylate and ethyl (2S*,2′R*)-5′′-chloro-1′-methyl-2′′,3-dioxo-2,3-dihydrodispiro[1-benzothiophene-2,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxylate

In the title compounds, C22H20N2O4S, (I), and C22H19ClN2O4S, (II), the pyrrolidine rings have twist conformations on the spiro–spiro C—C bonds. In (I), the five-membered ring of the oxindole moiety has an envelope conformation with the spiro C atom as the flap, while in (II) this ring is flat (r.m.s...

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Bibliographic Details
Main Authors: M. P. Savithri, M. Suresh, R. Raghunathan, G. Vimala, R. Raja, A. SubbiahPandi
Format: Article
Language:English
Published: International Union of Crystallography 2014-08-01
Series:Acta Crystallographica Section E
Subjects:
dispiro
pyrrolidine-indole
benzothiophene
crystal structure
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536814015426

Internet

http://scripts.iucr.org/cgi-bin/paper?S1600536814015426

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