作者:Christopher M. Timperley、Stephen N. Marriott、Matthew J. Waters
DOI:10.1016/s0022-1139(01)00493-6
日期:2002.1
Forty bis(fluoroalkyl) phosphoramidates (RFO)2P(O)R were prepared in 10–91% yield by treating phosphorochloridates (RFO)2P(O)Cl where RF was HCF2CH2, HCF2CF2CH2, HCF2CF2CF2CF2CH2, CF3CH2, C2F5CH2, C3F7CH2, (CF3)2CH, (FCH2)2CH and (CH3)2CF3C with nucleophiles HR, where R was NH2, NHMe, NMe2, NHEt and NEt2 in diethyl ether at 0–5 °C. The bulky chloridate [(CH3)2CF3CO]2P(O)Cl reacted with ammonia, methylamine
通过处理其中的R F为HCF 2 CH 2,HCF 2的磷酰氯(R F O)2 P(O)Cl,可制备40个双(氟烷基)氨基磷酸酯(R F O)2 P(O)R,产率为10-91%。CF 2 CH 2,HCF 2 CF 2 CF 2 CF 2 CH 2,CF 3 CH 2,C 2 F 5 CH 2,C 3 F 7 CH 2(CF 3)带有亲核试剂HR的2 CH,(FCH 2)2 CH和(CH 3)2 CF 3 C,其中R是在0-5°C的乙醚中的NH 2,NHMe,NMe 2,NHEt和NEt 2。大体积的氯化物[(CH 3)2 CF 3 CO] 2 P(O)Cl与氨,甲胺,二甲胺和乙胺反应,但即使在4-二甲氨基吡啶存在下加热,也不会与二乙胺反应,这是由于在室温下存在位阻磷。氟化氨基磷酸酯的碱度和亲核性低于未氟化的对应物:(EtO)2 P(O)NH 2HCl比(CF 3 CH 2 O)2 P(O)NH