作者:Christopher M Timperley、Sally A Saunders、Josef Szpalek、Matthew J Waters
DOI:10.1016/s0022-1139(02)00239-7
日期:2003.2
(RFO)2P(O)SR in 13–41% yield where RF was CF3CH2, C2F5CH2, C3F7CH2 or (CF3)2CH and R was Et or n-Pr. Similarly, reaction of phosphorobromidates (RFCH2O)2P(O)Br, made by brominating the corresponding bis(fluoroalkyl) H-phosphonates, with benzenethiol gave derivatives (RFCH2O)2P(O)SPh in 43 and 46% yield where RF was CF3 and C2F5, respectively. Treatment of the chloridothiolate Cl(EtO)P(O)SMe, prepared
总结了双(氟烷基)氯代磷酸酯对亲核试剂的反应性。此处描述的先前数据和结果表明,反应性依次降低:胺>醇>硫醇。通过用在醚中的两个摩尔当量的EtSH和Et 3 N处理CF 3 CH 2 OP(O)Cl 2,以30%的产率合成CF 3 CH 2 OP(O)(SEt)2。氯化物(CF 3 CH 2 O)2 P(O)Cl和(C 2 F 5 CH 2 O)2 P(O)Cl在-78°C或与Pb(SMe )2在苯中。乙硫醇和丙硫醇在三乙胺存在下与氟化氯化物反应,以13–41%的收率得到硫醇盐(R F O)2 P(O)SR,其中R F为CF 3 CH 2,C 2 F 5 CH 2,C 3 F 7 CH 2或(CF 3)2 CH和R为Et或n -Pr。类似地,通过溴化相应的双(氟代烷基)H进行的溴溴酸盐(R F CH 2 O)2 P(O)Br的反应与苯硫醇形成的膦酸酯得到的衍生物(R F CH 2 O)2 P