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Benzhydryl 2-(3-benzyl-7-oxo-4-thia-2,6-diaza­bicyclo­[3.2.0]hept-2-en-6-yl)-3-hydroxy­but-2-enoate

✍ Scribed by Fu, De-Cai ;Sun, Feng-Xia ;Chen, Jin-Ping ;Liu, Qian ;Zhang, Jing

Book ID
104489660
Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
153 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

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.

📜 SIMILAR VOLUMES

Benzhydryl 2-(3-benzyl-7-oxo-4-thia-2,6-
Benzhydryl 2-(3-benzyl-7-oxo-4-thia-2,6-diaza­bicyclo­[3.2.0]hept-2-en-6-yl)-3-morpholinobut-2-enoate
✍ Fu, De-Cai ;Sun, Feng-Xia ;Liu, Qian ;Chen, Jin-Ping ;Zhang, Jing 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 132 KB

The title compound, C 32 H 31 N 3 O 4 S, is an important intermediate in the synthesis of cephem compounds, which can be converted into broad-spectrum cephalosporin antibiotics. Intermolecular C-HÁ Á ÁO and C-HÁ Á ÁS contacts are observed in the crystal structure.

2,2-Dimeth­yl-6-(4-nitro­phen­yl)-4-phen
2,2-Dimeth­yl-6-(4-nitro­phen­yl)-4-phen­yl-1,3-diaza­bicyclo­[3.1.0]hex-3-ene
✍ Dyakonenko, Viktoria V. ;Shishkin, Oleg V. ;Zbruev, Alexandr V. ;Desenko, Sergey 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 130 KB

In the crystal structure of the title compound, C 18 H 17 N 3 O 2 , the imidazoline ring has a very flattened envelope conformation, with a twisted endocyclic C N double bond.