摘要:
方形平面络合物[M(Me)(L–L)(L)] {M = Pd,L = dpvp [PPh 2(C 6 H 4 CH CH 2 - o)],L–L = acac(乙酰丙酮酸) ,bzsac(1-苯基-3- sulfanylbut -2-烯-1-奥尼亚特)或的pycA(吡啶-2-羧酸酯),L = PPH 2(C 6 H ^ 4 ET- ø),L-L =乙酰丙酮或的pycA ,L = P(CH 2 -CH CH 2)Ph 2,L = L = pyca;M = Pt,L = dpvp,L–L = bzsac或pyca,L = PPh 2(C 6 H 4 Et- o),合成了L–L = pyca},并研究了它们的热行为。加热苯中的钯-dpvp配合物会导致磷化氢的乙烯基双键分子内迁移到Pd-Me键中,从而形成具有五元环的[Pd(L-L){PPh 2(C 6 H 4 CHCH 2 Me)}]。相反,加热