2-丙炔-1-基肼 、 (3Z,5Z)‐3,5‐bis({[3‐(trifluoromethyl)phenyl]methylidene})‐1λ6‐thiane‐1,1,4‐trione 以
甲醇 为溶剂,
以64%的产率得到(7Z)-2-prop-2-ynyl-3-[3-(trifluoromethyl)phenyl]-7-[[3-(trifluoromethyl)phenyl]methylidene]-3a,4-dihydro-3H-thiopyrano[4,3-c]pyrazole 5,5-dioxide