作者:M. Jiménez、Jesús Pérez-Torrente、M. Bartolomé、Luis Oro
DOI:10.1055/s-0028-1088060
日期:2009.6
A series of novel functionalized phosphines of hemilabile character, R2P(CH2)nZ, have been prepared from diarylphosphines using several synthetic methodologies. The synthetic methods include the alkylation of lithium diarylphosphide or (diarylphosphino)borane adducts with functionalized halogenoalkanes, X(CH2)nZ, and the photochemical hydrophosphination of suitable functionalized allyl or vinyl
一系列hemilabile字符的新的官能化的膦的,R 2 P(CH 2)Ñ Z,已经从使用几种合成方法二芳基膦制备。合成方法包括用官能化的卤代烷烃X(CH 2)n Z对二芳基磷酸锂或(二芳基膦基)硼烷加合物进行烷基化,以及合适的官能化烯丙基或乙烯基衍生物的光化学加氢磷酸化,H 2 C = CHZ或H 2 C = CHCH 2 Z,使用白光。甲范围R 2 PH(R = BN,4-MeOC 6 H ^ 4,4-MEC 6 ħ 4,2-MEC为了调节磷供体原子上的电子密度,已经使用了6 H 4,Ph,4-F 3 CC 6 H 4)。通过选择供体基团(Z = OMe,OEt,OBu,NMe 2)或柔性碳链的长度(n = 2、3),可以改变半不稳定片段的配位能力。由二芳基氯膦和烯丙基溴化镁制备了半不稳定的氟化烯丙基膦,R 2 PCH 2 CH = CH 2(R = 4-FC 6 H 4,C 6 F 5)。