Bicyclo[3.2.0]hept-6-en-2-yl carbonium ion. 2-Methyl substituent effects
✍ Scribed by Yano, Kazuyuki
- Book ID
- 126978536
- Publisher
- American Chemical Society
- Year
- 1975
- Tongue
- English
- Weight
- 527 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0022-3263
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📜 SIMILAR VOLUMES
**Gas phase thermolysis of methyl‐bicyclo [3.2.0] hept‐2‐en‐7‐ones.** Irradiation of methylnorbornenones **5a**, **5b**, **5c** and **5e** leads to the methyl‐bicyclo‐[3.2.0]hept‐2‐en‐7‐ones **4a**, **4b**, **4c** and **4e**, respectively. Upon flash thermolysis of these βγ‐unsaturated ketones dihy
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.
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.