[(E,1R,3S)-3-hydroxymethyl-2,2-dimethylcyclobut-1-yl]methyl thiosemicarbazone 、
乙酸酐 在
吡啶 作用下,
反应 1.5h,
生成 (1'R,3'S,5S)-2-acetamido-4-acetyl-5-(3'-acetoxymethyl-2',2'-dimethylcyclobutyl)-5-methyl-Δ(2)-1,3,4-thiadiazoline 、 (1'R,3'S,5R)-2-acetamido-4-acetyl-5-(3'-acetoxymethyl-2',2'-dimethylcyclobutyl)-5-methyl-Δ(2)-1,3,4-thiadiazoline