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Rac-(4R,17S,18R,26R)-Ethyl 4'-methoxy-carbonyl-5''-(4-methoxy-phen-yl)-1'-methyl-2,3''-dioxo-2'',3''-dihydro-indoline-3-spiro-2'-pyrrolidine-3'-spiro-2''-thia-zolo[3,2-a]pyrimidine-6''-carboxyl-ate.


ABSTRACT: In the title compound, C(30)H(30)N(4)O(7)S, the two spiro junctions link a planar 2-oxindole ring [with a mean deviation from the plane of 0.0319?(3)?Å, a pyrrolidine ring in an envelope conformation and a thia-zolo[3,2-a]pyrimidine system. Two mol-ecules are connected into a dimer by two N-H?O hydrogen bonds, forming an R(2) (2)(8) graph-set motif. The title compound has four stereogenic centers and appears as a racemic mixture of one single diastereoisomer (RSRR/SRSS).

SUBMITTER: Hou ZH 

PROVIDER: S-EPMC2968168 | biostudies-literature | 2009 Jan

REPOSITORIES: biostudies-literature

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rac-(4R,17S,18R,26R)-Ethyl 4'-methoxy-carbonyl-5''-(4-methoxy-phen-yl)-1'-methyl-2,3''-dioxo-2'',3''-dihydro-indoline-3-spiro-2'-pyrrolidine-3'-spiro-2''-thia-zolo[3,2-a]pyrimidine-6''-carboxyl-ate.

Hou Zhao-Hui ZH   Zhou Ning-Bo NB   He Bin-Hong BH   Li Xiao-Fang XF  

Acta crystallographica. Section E, Structure reports online 20090128 Pt 2


In the title compound, C(30)H(30)N(4)O(7)S, the two spiro junctions link a planar 2-oxindole ring [with a mean deviation from the plane of 0.0319 (3) Å, a pyrrolidine ring in an envelope conformation and a thia-zolo[3,2-a]pyrimidine system. Two mol-ecules are connected into a dimer by two N-H⋯O hydrogen bonds, forming an R(2) (2)(8) graph-set motif. The title compound has four stereogenic centers and appears as a racemic mixture of one single diastereoisomer (RSRR/SRSS). ...[more]

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