摘要:
通式[PdR(N–O)L]的有机钯(II)配合物[R = Ph,N–O =吡啶羧酸盐(pyca),L = P(C 6 H 11)3;R = Ph,N–O = 6-甲基吡啶甲酸甲酯(mpyca),L = PPh 3,PMePh 2,P(C 6 H 11)3或PEt 3;R = Ph,N–O = 4-硝基吡啶羧酸盐(npyca),L = P(C 6 H 11)3;R = Ph,N–O = 6-甲基-4-硝基吡啶甲酸甲酯,L = P(C 6 H 11)3;R = Me,N–O = mpyca,L = PPh 3,P(CH 2 Ph)3或P(C 6 H 11) 3;制备了R = Me,N–O = npyca,L = PPh 3,PMePh 2或P(C 6 H 11) 3 ],并对其羰基化反应进行了详细的研究。CO插入过程的动力学研究表明,反应速率随着膦L的碱度的增加而降低。含有高碱性膦P(C 6 H