(4R,5R)-2-((E)-4,8-Dimethyl-nona-3,7-dienyl)-2-trimethylsilanylethynyl-[1,3]dioxolane-4,5-dicarboxylic acid diethyl ester 在
palladium diacetate 作用下,
以
苯 为溶剂,
生成
(2R,3R,7S)-7-(5-Methyl-1-methylene-hex-4-enyl)-6-[1-trimethylsilanyl-meth-(Z)-ylidene]-1,4-dioxa-spiro[4.4]nonane-2,3-dicarboxylic acid diethyl ester 、 (2R,3R,7R)-7-(5-Methyl-1-methylene-hex-4-enyl)-6-[1-trimethylsilanyl-meth-(Z)-ylidene]-1,4-dioxa-spiro[4.4]nonane-2,3-dicarboxylic acid diethyl ester