(S)-4-methyl-2-(4-oxo-2-thioxothiazolidin-3-yl)pentanoic acid 、
3'-chloro-4'-isopropoxybiphenyl-4-carbaldehyde 在
sodium acetate 、
溶剂黄146 作用下,
反应 4.0h,
以93%的产率得到(S,Z)-2-(5-((3'-chloro-4'-isopropoxybiphenyl-4-yl)methylene)-4-oxo-2-thioxothiazolidin-3-yl)-4-methylpentanoic acid