The synthesis of perfluoro (N,N-dialykylcarbamoyl fluorides) by the reaction of perfluoro (N,N-dialkylmethylamines) with oleum
作者:Takashi Abe、Eiji Hayashi
DOI:10.1016/s0022-1139(00)84155-x
日期:1989.11
A convenient one-step preparation of new perfluoro (N,N-dialkylcarbamoyl fluorides) [dialkyl groups: Rf=R′f=C2F5 (1b); Rf=C2F5, R′f=C3F7 (2b); Rf=R′f=n-C3F7 (3b); Rf=n-C3F7,R′f=n-C4F9 (4b); Rf=n-C3F7,R′f=n-C5F11 (5b); Rf=R′f=n-C4F9 6b; Rf=n-C3F7,R′f=CF3 (7b); Rf=n-C4F9R′=CF3 (8b); Rf=n-C5F11, R′f=CF3 (9b)] is described: the corresponding perfluoro (N,N-dialkylmethylamines) are treated with oleum. Catalysts
一种方便的一步制备新的全氟(N,N-二烷基氨基甲酰氟)[二烷基:R f = R'f = C 2 F 5(1b); R f= C 2 F 5,R′f= C 3 F 7(2b);ř ˚F = R' ˚F = NC 3 ˚F 7(图3b); ř ˚F = NC 3 ˚F 7,R' ˚F = NC 4 ˚F 9(图4b); ř ˚F = NC 3 ˚F 7,R' ˚F = NC 5F 11(5b);ř ˚F = R' ˚F = NC 4 ˚F 9 6B; ř ˚F = NC 3 ˚F 7,R' ˚F = CF 3(图7b); R f= nC 4 F 9 R′= CF 3(8b);ř ˚F = NC 5 ˚F 11,R' ˚F = CF 3(9B)]中描述了:全氟对应(N,N-dialkylmethylamines)用发烟硫酸处理。催化剂(HgSO 4和MoCl 5)提高了所得产品的收率和纯度。描述