The nitrile function of tetracyanoethylene as dienophile in diels-alder reactions
作者:K. Burger、H. Goth、W. Schöntag、J. Firl
DOI:10.1016/0040-4020(82)80009-4
日期:1982.1
N - [2,2,2,-Trifluoro - 1 - trifluoromethyl(ethylidene)] - thiocarboxamides react with tetracyanoethylene to give [4,4, - bis(trifluoromethyl) - 4H - 1,3,5 - thiadiazin - 2 - yl]ethylenetricarbonitriles and 1,2 - bis[4,4 - bis(trifluoromethyl) - 4H - 1,3,5 - thiadiazin - 2 - yl]ethylenedicarbonitriles. The spectral data of the new compounds are discussed (IR, 1H NMR, 19F NMR and 13C NMR).
N-[2,2,2,-三氟-1-三氟甲基(亚乙基)]-硫代羧酰胺与四氰基乙烯反应生成[4,4,-双(三氟甲基)-4H-1,3,5-噻二嗪-2-yl ]亚乙基三腈和1,2-双[4,4-双(三氟甲基)-4H-1,3,5-噻二嗪-2-基]亚乙二腈。讨论了新化合物的光谱数据(IR,1 H NMR,19 F NMR和13 C NMR)。