Regiospecific synthesis of mitosenes by a new bromoquinone-enamine annulation reaction
β Scribed by William S. Murphy; Patrick J. O'Sullivan
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- French
- Weight
- 216 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
The r~glion of allylindium reagents with oert;fin nitriles 1 having another el~'tron withdrawing group at the a-position aliiwds the correslxmding allylation-enamination products 2 in high to good yields.
Novel cyclopropanol synthesis and cyclopentane annulation reaction lead to a new synthesis of estrone.
Cyclohexanone enamines react with dibenzoyldiimide (IIa) at room temperature leading to a I:1 addition product in almost quantitative yield. This adduct, on mild acidic hydrolysis, gives 2-(N,N'-dibenzoyl)hydrazinccyclohexanone (IVa), identical with that obtained from cyclohexanone and (IIa) at lOOa