4-vinylpyrazole-1-carboxylic acid benzyl ester 、
5-(2-benzyloxy-4-iodophenyl)-1,1-dioxo-2-(2-trimethylsilanylethyl)-1,2,5-thiadiazolidin-3-one 在
4-(2-(3-benzyloxy-4-[1,1,4-trioxo-5-(2-trimethylsilanylethyl)-1,2,5-thiadiazolidin-2-yl]-phenyl)-vinyl)-pyrazole-1-carboxylic acid benzyl ester 作用下,
以The deprotected pyrazole, 5-{2-benzyloxy-4-[2-(1H-pyrazol-4-yl)-vinyl]-phenyl}-1,1-dioxo-2-(2-trimethylsilanylethyl)-1,2,5-thiadiazolidin-3-one, is also isolated的产率得到4-(2-(3-benzyloxy-4-[1,1,4-trioxo-5-(2-trimethylsilanylethyl)-1,2,5-thiadiazolidin-2-yl]-phenyl)-vinyl)-pyrazole-1-carboxylic acid benzyl ester