作者:Aaron L Odom、Alan F Heyduk、Daniel G Nocera
DOI:10.1016/s0020-1693(99)00376-x
日期:2000.1
Rh2(dfpma)3(η1-dfpma)2 also proceeds quantitatively, though at a reduced quantum efficiency (φp365=0.006(2)). The photochemistry of Rh2 diphosphazanes has been expanded to include dirhodium cores coordinated by bis(bis(trifluoroethoxy)phosphine)methylamine, MeN[P(OEtF3)2]2 (OEtF3=OCH2CF3). The Rh2MeN[P(OEtF3)2]2}3Cl4, Rh2MeN[P(OEtF3)2]2}3Cl2L (where L=CO or CNBut) and Rh2MeN[P(OEtF3)2]2}3(CNBut)2
所述二铑配合物的Rh 2(dfpma)3氯4(dfpma =双(difluorophosphine)甲基胺),在THF中和在过量dfpma,经历光致还原(存在λ EXC > 304毫微米)的Rh 2(dfpma)3( η 1 -dfpma)2经由两电子混合价化合物,铑2(dfpma)3氯2(η 1 -dfpma)。的Rh转化2(dfpma)3氯4到的Rh 2(dfpma)3氯2(η 1-dfpma)是定量与量子效率φ p 334 = 0.05(1); 铑的后续转化2(dfpma)3氯2(η 1 -dfpma)到的Rh 2(dfpma)3(η 1 -dfpma)2也进行定量,但在降低量子效率(φ p 365 = 0.006(2 ))。Rh 2二磷氮烷的光化学作用已扩展到包括由双(双(三(三氟乙氧基)膦)甲胺,MeN [P(OEt F3)2 ] 2(OEt F3= OCH 2 CF 3)。Rh