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Synthesis of imidazolthiones from 3,4-diphenyl-4-oxazolin-2-thione

โœ Scribed by S. Carboni; E. Grothe; M. F. Saettone


Publisher
John Wiley and Sons
Year
1968
Tongue
English
Weight
354 KB
Volume
57
Category
Article
ISSN
0022-3549

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Synthesis of 4-carboethoxy-4-oxazolin-2-
โœ Robert V. Hoffman; M.Catherine Johnson; John F. Okonya ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 297 KB

3-Nosyloxy-2-ketoesters, available from 2-ketoesters, react efficiently with methyl carbamate and tosic acid in refluxing toluene to provide 4-carboalkoxy-4oxazolin-2-ones in good yields (41-84%).