期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 71, 期 1, 页码 360-363出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo051693a
关键词
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The scope of the methylenation of aldehydes and ketones under optimized Julia-Kocienski conditions is broadened by using 1-tert-butyl-1H-tetrazol-5-ylmethyl sulfone. Two different Barbier-type procedures are applied with NaHMDS at -78 degrees C or Cs2CO3 at 70 degrees C. The latter conditions are also adapted for the preparation of 1,2-disubstituted olefins and intramolecular olefination reactions.
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