Easy Access to 5-Alkyl-4-bromo-2(5H)-furanones: Synthesis of a Fimbrolide, an Acetoxyfimbrolide, and Bromobeckerelide
摘要:
Treatment of gamma-monosubstituted allenic esters with N-bromosuccinimide in water yields 5-alkyl-4-bromo-2(5H)-furanones, that can be transformed into 5-alkylidene-4-bromo-2(5H)-furanones in good overall yields. Starting with a simple allenic ester these transformations have been applied to a new synthesis of fimbrolide (1a), acetoxyfimbrolide (1c), and bromobeckerelide (2a).
Synthesis of 5-alkyl-4-bromo-5-hydroxy-2(5)-furanones and 5-alkylidene-4-bromo-2(5)-furanones
作者:J. Font、A. Gracia、P. de March
DOI:10.1016/s0040-4039(00)97887-0
日期:1990.1
FONT, J.;GRACIA, A.;DE, MARCH P., TETRAHEDRON LETT., 31,(1990) N8, C. 5517-5520
作者:FONT, J.、GRACIA, A.、DE, MARCH P.
DOI:——
日期:——
Easy Access to 5-Alkyl-4-bromo-2(5H)-furanones: Synthesis of a Fimbrolide, an Acetoxyfimbrolide, and Bromobeckerelide
作者:Pedro de March、Josep Font、Antonio Gracia、Zheng Qingying
DOI:10.1021/jo00111a045
日期:1995.3
Treatment of gamma-monosubstituted allenic esters with N-bromosuccinimide in water yields 5-alkyl-4-bromo-2(5H)-furanones, that can be transformed into 5-alkylidene-4-bromo-2(5H)-furanones in good overall yields. Starting with a simple allenic ester these transformations have been applied to a new synthesis of fimbrolide (1a), acetoxyfimbrolide (1c), and bromobeckerelide (2a).