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7-Chloro-6-oxobicyclo[3.2.0]hept-2-en-5-yl 2,4,6-trimethylbenzoate

Book ID
114504142
Publisher
International Union of Crystallography
Year
1988
Tongue
English
Weight
290 KB
Volume
44
Category
Article
ISSN
0108-2701

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There are two molecules in the asymmetric unit of the title compound, C~28~H~24~N~2~O~4~S, an important intermediate in the synthesis of the cephem nucleus, which is convertible into broad-spectrum cephalosporin antibiotics. The two molecules have comparable conformations.

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In the title compound, C 18 H 11 Cl 2 NO 2 , the succinimide and cyclobutene rings are individually planar, with a dihedral angle of 66.02 ( 14) between them. The crystal structure is stabilized by CÐHÁ Á Á% interactions involving the phenyl rings.