2-Fluoro-l-phenyl-l-trimethylsiloxyethene reacted efficiently with aldehydes to give a-fluoro β-hydroxy ke-tones in HMPA in the presence of Zn powder and CuCl.
A stereoselective synthesis of brassinolide and dolicholide, which involves constructionof the side chain enantiomers by a highly stereoselective aldol reaction of aldehyde 5 with theanion of α-silyloxy ketone 6 is d...A stereoselective synthesis of brassinolide and dolicholide, which involves constructionof the side chain enantiomers by a highly stereoselective aldol reaction of aldehyde 5 with theanion of α-silyloxy ketone 6 is described.展开更多
基金the National Natural Science Foundation Of China (Nos. 20272026 and D20032010).
文摘2-Fluoro-l-phenyl-l-trimethylsiloxyethene reacted efficiently with aldehydes to give a-fluoro β-hydroxy ke-tones in HMPA in the presence of Zn powder and CuCl.
基金国家自然科学基金,Special Research Grant for Doctoral Sites in Chinese Universities
文摘A stereoselective synthesis of brassinolide and dolicholide, which involves constructionof the side chain enantiomers by a highly stereoselective aldol reaction of aldehyde 5 with theanion of α-silyloxy ketone 6 is described.