Reaction of 3,2, 6, benzopyran with either organolithium reagents or magnesium generates the novel strained alkyne, 3,4-didehydro-2H-[1]benzopyran. Cycloaddition with furans gives access to the dibenzo[b,d]pyran system.
The generation and reactions of 3,4-didehydro-2H-[1]benzopyran, a highly strained heterocycle
β Scribed by Christopher D Gabbutt; B.Mark Heron; John D Hepworth; M.Moshfiqur Rahman
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- French
- Weight
- 199 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0040-4039
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