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Reaction of N-acylsulfilimines with diphenyl ketene. A new synthesis of 2-oxazolin-4-ones

✍ Scribed by Daniel M. Ketcha; Magid Abou-Gharbia; Francis X. Smith; Daniel Swern


Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
158 KB
Volume
24
Category
Article
ISSN
0040-4039

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✦ Synopsis


Z-Substituted-5,5-diphenyl-2-oxazolin-4-ones' are prepared in good to high yields by reaction of diphenyl ketene and N-acylsulfilimes.


πŸ“œ SIMILAR VOLUMES


Regioselective Synthesis of N-Substitute
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AbstractÐN-Substituted 4-methylene-2-isoxazolidinones 9a±9e have been prepared from the tandem condensation of isocyanates 3 with a-ketol 7. In a more polar solvent (DMF) the same reaction led to stereoisomeric alcohols 11 and 12, which could be transformed to the thermodynamically more stable isome