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Some Michael-Like Additions of Primary Nitramines *

✍ Scribed by KISSINGER, L. W.; SCHWARTZ, M.

Book ID
126171553
Publisher
American Chemical Society
Year
1958
Tongue
English
Weight
378 KB
Volume
23
Category
Article
ISSN
0022-3263

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Addition of the Schiff bases derived from reaction of glycine alkyl esters with benzophenoneimine to a,R-unsaturated ketones, followed by hydrogenation of the addition products, leads to 5-or 3,5-substituted prolines. Hydrolysis of the Michael adducts rather than hydrogenation allows synthesis of '-