Asymmetric [1,3]-dipolar cycloaddition reactions: synthesis of highly substituted proline derivatives

Autor: Weixu Zhai, David J. Aldous, S. C. Aldous, Robert M. Williams
Rok vydání: 1992
Předmět:
Zdroj: The Journal of Organic Chemistry. 57:6527-6532
ISSN: 1520-6904
0022-3263
DOI: 10.1021/jo00050a029
Popis: The asymmetric [1,3]-dipolar cycloaddition reactions of azomethine ylides derived from (SR,6S)-2,3,5,6-tetrahydro-5,6-diphenyl-1,4-oxazin-2-one with various aldehydes and methyl maleate is described. The reactions prove to be highly endo-selective, installing three contiguous stereogenic centers in the newly formed five-membered ring with essentially complete stereochemical control
Databáze: OpenAIRE