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A new method of introducing the angular methyl group into fused ring systems

โœ Scribed by James J. Sims; L.H. Selman

Publisher
Elsevier Science
Year
1969
Tongue
French
Weight
181 KB
Volume
10
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

One of the pivotal operations in the total synthesis of polycyclic terpenoids is the stereospecific introduction of the angular methyl group (1).

There is a limited number of methods for accomplishing the task; an entire synthesis may be based upon the intermediates

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โœ Marko Zupan; Zvonko Bregar ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 158 KB

Trifluoromethyi derivatives of aromatic molecules were prepared from aromatic halides, converted to dithiocarboxylic acids through formation of Grigmrd reagents, followed by fluorination with xenon diiluoridc at room temperature. The physicochemical properties and biological activities of various ar