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Pentacyclic triterpene synthesis. II. Preparation of an AB synthon

โœ Scribed by John S. Dutcher; James G. Macmillan; Clayton H. Heathcock


Book ID
104234701
Publisher
Elsevier Science
Year
1974
Tongue
French
Weight
167 KB
Volume
15
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


As part of our program to devise a convergent synthesis of pentacyclic triterpenes, e.g., B-amyrin (_1),1 we have developed an efficient route to the racemic bicyclic enone 2. Compound 2 is a ring AB synthon which may be useful


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โœ Robert E. Ireland; David M. Walba ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 185 KB

In Previous reports' from these laboratories an efficient route to the pentacyclic diether 1 was described. A pentacyclic diaromatic compound of this type, with the trans-anti-trans BCD ring structure and the correct array of angular methyl groups, was envisaged as a useful key intermediate for the