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A New One-Step Synthesis of Substituted Coumarins

✍ Scribed by Woods, L. L.; Sapp, John

Book ID
115525329
Publisher
American Chemical Society
Year
1962
Tongue
English
Weight
320 KB
Volume
27
Category
Article
ISSN
0022-3263

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## Abstract magnified image The synthesis of new 3‐substituted coumarins appended to imidazolium, pyridinium, 3‐dimethylamino pyridinium, 3‐chloro pyridinium and 3‐bromo pyridinium salts is reported. These salts were prepared by tandem reactions, followed by quantitative anionic metathesis. The st