A New Diastereodivergent Synthesis of 1,2-Disubstituted Homopropargylic Alcohols
β Scribed by Fabrice Chemla; Nicolas Bernard; Jean Normant
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 349 KB
- Volume
- 1999
- Category
- Article
- ISSN
- 1434-193X
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β¦ Synopsis
Disubstituted homopropargylic alcohols can be prepared inversion through the intermediate formation of a bromoallenol moiety. in a diastereodivergent fashion starting from propargylic epoxides by BF 3 -catalysed direct ring-opening or by double served. Thus disubstituted anti homopropargylic alcohols [a] Laboratoire de Chimie des OrganoEle Β΄ments, Universite Β΄P. et M. Curie, Bte 183 the possible participation of the triple bond. The ring open-4 place Jussieu,
π SIMILAR VOLUMES
A Stereospecific Synthesis of 1,2-Disubstituted Homopropargylic Protected Alcohols from Bromoallenols. -Bromoallenols [cf. (I)] or the related ethers [cf. (V)] undergo a stereospecific reaction with organocopper or Grignard reagents providing 1,2-disubstituted derivatives (III) and (VII).
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