Intermolecular aldol reactions via allylic o-stannyl ketyls
作者:Eric J. Enholm、Paul E. Whitley
DOI:10.1016/0040-4039(95)01999-x
日期:1995.12
A mild and neutral free radical reaction of an α,β-unsaturated ketone and tributyltin radical produced a resonance-stabilized allylic O-stannylketyl intermediate. A tin(IV) enolate, produced by subsequent hydrogen atom transfer, was next quenched with various aldehydes to yield an aldol product which was readily eliminated with p-toluenesulfonic acid to afford new α,β-unsaturated ketones with E/Z
Aldol reactions with a .alpha.-trimethylsilyl ketones. Dual roles of the trimethylsilyl group for regiospecific generation of enolate equivalents
作者:Tan Inoue、Toshio Sato、Isao Kuwajima
DOI:10.1021/jo00198a017
日期:1984.11
Dual roles of trimethylsilyl group for specific generation of enolates from β-ketoalkyltrimethylsilanes. Regiospecific preparation of two types of acyclic aldols
作者:Isao Kuwajima、Tan Inoue、Toshio Sato
DOI:10.1016/s0040-4039(01)85762-2
日期:1978.1
INOUE, TAN;SATO, TOSHIO;KUWAJIMA, ISAO, J. ORG. CHEM., 1984, 49, N 24, 4671-4674
作者:INOUE, TAN、SATO, TOSHIO、KUWAJIMA, ISAO
DOI:——
日期:——
Generation of rhodium enolates via retro-aldol reaction and its application to regioselective aldol reaction
Retro-aldol reactions of β-hydroxy ketones take place under rhodium catalysis, leading to regioselective formation of the corresponding rhodium enolates. The enolates react with aldehydes in situ to afford the corresponding aldol adducts in high yields.