methyl (4S)-3-[(2S,4R)-5-[(4S)-4-methoxycarbonyl-2-sulfanylidene-1,3-thiazolidin-3-yl]-2,4-dimethyl-5-oxopentanoyl]-2-sulfanylidene-1,3-thiazolidine-4-carboxylate 、
哌啶 生成
(S)-3-((2S,4R)-2,4-Dimethyl-5-oxo-5-piperidin-1-yl-pentanoyl)-2-thioxo-thiazolidine-4-carboxylic acid methyl ester