溴丁基-镁 、 2-((3aR,5S,5aR,8aS,8bR)-2,2,7,7-Tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethylsulfanyl)-pyridine 在
氯化铵 作用下,
生成
(1S,2R)-1-{(4R,5S)-2,2-Dimethyl-5-[(E)-2-(pyridin-2-ylsulfanyl)-vinyl]-[1,3]dioxolan-4-yl}-hexane-1,2-diol 、 (1S,2S)-1-{(4R,5S)-2,2-Dimethyl-5-[(E)-2-(pyridin-2-ylsulfanyl)-vinyl]-[1,3]dioxolan-4-yl}-hexane-1,2-diol