化学
酮
亲核细胞
药物化学
立体化学
有机化学
催化作用
作者
Junji Ichikawa,Takeshi Fujita,Kotaro Sakoda,Masahiro Ikeda,Masahiro Hattori
出处
期刊:Synlett
[Georg Thieme Verlag KG]
日期:2012-12-10
卷期号:24 (01): 57-60
被引量:22
标识
DOI:10.1055/s-0032-1317709
摘要
3,3-Difluoroallylic ketones readily undergo nucleophilic 5-endo-trig cyclization through their metal enolates to afford 5-fluorinated 2-alkylidene-2,3-dihydrofurans. O-Cyclization exclusively occurred via intramolecular substitution of the vinylic fluorines.
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