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New synthesis of a chiral steroid cd-ring synthon by means of enantioselective double Michael addition

โœ Scribed by Takashi Takahashi; Hiroshi Okumoto; Jiro Tsuji

Book ID
104241328
Publisher
Elsevier Science
Year
1984
Tongue
French
Weight
265 KB
Volume
25
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES

Enantioselective synthesis of ring-C aro
Enantioselective synthesis of ring-C aromatic steroids by asymmetric Michael-type alkylation of chiral imines.
โœ Tony Volpe; Gilbert Revial; Michel Pfau; Jean d'Angelo ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 219 KB

Optically active phenanthrones 7 and 12 were prepared, using the asymmetric process involving Michael-type alkylation of chiral imines. Compound 12 was then transformed into the ring-C aromatic steroid 16. We have recently published a very efficient method for the enantioselective construction of co