期刊
ORGANIC LETTERS
卷 11, 期 3, 页码 519-522出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol8023665
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资金
- University of Alberta
- Natural Sciences and Engineering Research Council of Canada (NSERC)
The mechanism of the Fritsch-Buttenberg-Wiechell rearrangement of C-13 labeled precursors has been examined to determine the propensity of the alkynyl (R-C C-) group to migrate in an alkylidene carbenoid species. Reaction of dibromoolefins with n-BuLi and ketones with Me3SiC(Li)N-2 both demonstrate that the alkynyl moiety readily undergoes 1,2-migration from carbenoid intermediates.
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