Naturally Occurring Oxygen Heterocyclics. IX. 1 Isolation and Characterization of Genipin 2
β Scribed by DJERASSI, CARL; GRAY, J. D.; KINCL, FRED A.
- Book ID
- 120823840
- Publisher
- American Chemical Society
- Year
- 1960
- Tongue
- English
- Weight
- 552 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0022-3263
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π SIMILAR VOLUMES
Tetraphenylporphyrin-sensitized photooxygenation of cycloheptatriene afforded the 1,2-dioxetane (3 ) in 9% yield, %% thus completing the set of possible cycloa dition products; the 1,2-dioxetane (&$ 1s the precursor to the benzaldehyde product, but not the (2+6)-cycloadduct (&).
The reactions of lH-azepine derivatives (la\_b and 2) with singlet oxygen gave the [6+2] cycloadducts (2a\_b) and the [4+2] cycloadducts (3a\_b and 5). The thermal and base-catalyzed rearrangements of the oxygen-adducts were investigated. The manifold aspects related to the photo-oxygenation of carb