磺酸型水溶性膦配体的合成  

Synthesis of Water-soluble Sulphonated phosphines

作　　者：马学兵[1] 傅相锴[1] 王宁[1] 

机构地区：[1]西南师范大学化学化工学院应用化学研究所,重庆400715

出　　处：《应用化学》2004年第5期464-468,共5页Chinese Journal of Applied Chemistry

基　　金：重庆市科委应用基础资助项目 (2 0 0 0 62 62 )

摘　　要：以季盐 [Ph2 P(CH2 OH) 2 ]+ Cl-与含磺酸根的胺的曼尼希反应合成了水溶性更大的含Ph2 PCH2 N配位基团的磺酸型膦配体 [(Et3 NH) 2 ][Ph2 PCH2 N(CH2 CH2 SO3 ) 2 (2a)和 [(Et3 NH) 2 ][O3 SCH2 CH2 N(CH2 PPh2 )CH2 CH2N(CH2 PPh2 )CH2 CH2 SO3 ](2b) ,用NMR、MS、IR等对该膦配体的结构进行了表征。2 5℃时膦配体 2a在水中的溶解度为 0 2 1g/mL ,在乙醇中为 0 2 9g/mL。膦配体 2b的SO3 H与Ph2 P的摩尔比较低 ,在水中溶解度为0 11g/mL ,在乙醇中为 0 15g/mL。Two sulphonated phosphine ligands [Ph_2PCH_2N(CH_2CH_2SO_3)_2(2a) and [O_3SCH_2CH_2N(CH_2PPh_2)CH_2CH_2N(CH_2PPh_2)CH_2CH_2SO_3](2b) with greater water solubi-lity were synthesized by reaction of amines containing sulfo-group with \[Ph_2P(CH_2OH)_2\]^+Cl^- and characterized by NMR, MS and IR. The solubility of ligand 2a was 0.21 g/mL(in water) and 0.29g/mL(in ethanol) at 25 ℃. For compound 2b, where the molar ratio of SO_3H to Ph_2P was more low, the solubility was 0.11 g/mL(in water) and 0.15 g/mL(in ethanol), respectively.

关 键 词：磺酸型膦配体 水溶性 合成 表征 

分 类 号：O643.3[理学—物理化学]