Fluorinated acetylenes. Part V. Reaction of trifluoronitroso-methane with certain NN-bistrifluoromethylamino-substituted acetylenes
作者:J. Freear、A. E. Tipping
DOI:10.1039/j39690001963
日期:——
type (CF3)2N·C⋮CR [where R = H, Br, CF3, or N(CF3)2] at ca, 90° to give high yields of 1 : 1 adducts. The structures of the adducts have been assigned on the basis of their i.r., n.m.r., and mass spectra. The symmetrical acetylene [R = N(CF3)2] forms only one adduct, perfluoro(2-methyl-4-dimethylamino-2,5-diazahex-4-en-3-one)(CF3)2N·CO·C(:N·CF3)·N(CF3)2, but the acetylenes (R = H, Br, or CF3) give
三氟亚硝基甲烷与(CF 3)2 N·C⋮CR类型的乙炔[在其中R = H,Br,CF 3或N(CF 3)2 ]在约90°下反应,可高收率1:1加合物。加合物的结构已根据其ir,nmr和质谱进行了分配。对称的乙炔[R = N(CF 3)2 ]仅形成一个加合物,全氟(2-甲基-4-二甲基氨基-2,5-二氮杂六(4-en-3-one)(CF 3)2 N·CO ·C(:N·CF 3)·N(CF 3)2,但乙炔(R = H,Br或CF 3)产生加合物(CF3) 2 N·CO·CR:N·CF 3和(CF 3) 2 N·C(COR):N·CF 3,前者占主导地位。NN与在120℃trifluoronitrosomethane -Bistrifluoromethylprop -1-炔基胺反应,得到1:1的加合物1,1,1,6,6,6 -六氟-4-甲基-2-三氟甲基-2,5- diazahex -4- en-3-one,(CF