Azabiocyclo[3.2.0]heptane-3,4-dione (10): A Thermal Azonia 1,3-Shift of 2-Azabicyclo[3.2.0]hept-2-enes to 2-Azanorborn-2-enes
β Scribed by Sano, Takehiro; Tanaka, Kazuhiko; Horiguchi, Yoshie; Tsuda, Yoshisuke
- Book ID
- 126918660
- Publisher
- Japan Institute of Heterocyclic Chemistry
- Year
- 1985
- Tongue
- English
- Weight
- 130 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0385-5414
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π SIMILAR VOLUMES
Thermal deasetation of difluoro-and tetrafluoro-2,3-diasabicyclo[3.2.0lhept-2-enes proceed via two parallel mechanistic pathways, one involving formation of a diradical via simple N2 loss, and the other proceeding via a retro-dipolar cycloadd~on process. A key finding was the absence of isolation of
## Abstract The chemistry of the highly substituted cyclobutanone derivative 2, which is easily accessible from 1, is dominated by the steric hindrance caused by the substitutents: Reduction with hydride reagents and nucleophilic additions with methyllithium are less stereoselective than correspond