重氮甲烷 、
(S)-3-Hydroxy-butyric acid cyclohex-1-enylmethyl ester 生成 (1R*,αR*,1'R*)-(+/-)-α-(1'-hydroxyethyl)-2-methylene-cyclohexaneacetate 、 Methyl (2R
*,3S
*,1'S
*)-(+/-)-3-hydroxy-2-(2'-methylenecyclohexan-1'-yl)butyrate 、 Methyl (2R
*,3R
*,1'S
*)-(+/-)-3-hydroxy-2-(2'-methylenecyclohexan-1'-yl)butyrate