重氮甲烷 、
(Ξ)-((2Ξ,4S)-4-methoxycarbonyl-5,5-dimethyl-thiazolidin-2-yl)-(2-phenyl-acetylamino)-acetic acid 生成 (2Ξ,4
S)-2-[(Ξ)-methoxycarbonyl-(2-phenyl-acetylamino)-methyl]-3,5,5-trimethyl-thiazolidine-4-carboxylic acid methyl ester 、 alkaline earth salt of/the/ methylsulfuric acid