Metal complexes of fluorophosphines. 10. Mononuclear and binuclear chromium, molybdenum, and tungsten carbonyl derivatives of (alkylamino)bis(difluorophosphines)
New chelate ring opening reactions leading to the synthesis of novel mixed ligand complexes of the octahedral metal carbonyls
作者:R.B. King、T.W. Lee
DOI:10.1016/s0022-328x(00)82889-2
日期:1980.4
Reactions of the four-membered ring chelate CH3N(PF2)2Cr(CO)4 with trivalent phosphorous ligands (L) at 80°C leads to facile opening of the chelate ring to give the mixed ligand complexes trans-CH3N(PF2)2Cr(CO)4L (L=C6H5)3P or monodentate C6H5N(PF2)2) containing a monodentate CH3N(PF2)2 ligand.
四元环螯合物CH 3 N(PF 2)2 Cr(CO)4与三价磷配体(L)在80°C下的反应导致螯合物环的易开环,从而得到混合的配体复合物反式-CH 3 N(PF 2)2 Cr(CO)4 L(L = C 6 H 5)3 P或含有单齿CH 3 N(PF 2)2配体的单齿C 6 H 5 N(PF 2)2)。
Symmetrical and unsymmetrical bridging carbonyl groups in binuclear molybdenum carbonyl complexes of alkylaminobis(difluorophosphines); X-ray crystal structures of two of the complexes
作者:M. Gary Newton、R. Bruce King、Tong-Wai Lee、Leif Norskov-Lauritzen、Vijay Kumar
DOI:10.1039/c39820000201
日期:——
Thermal reactions of the olefin-molybdenum carbonyls C7H8Mo(CO)n(n= 4, C7H8= norbornadiene; n= 3, C7H8= cycloheptatriene) with RN (PF2)2 ligands (R = Me and Ph) in hydrocarbon solvents at 100–120 °C lead ultimately to binuclear complexes of the type [RN(PF2)2]nMo2(CO)11 – 2n(n= 3, 4, and 5); structure determinations by X-ray diffraction on [PhN(PF2)2]3Mo2(CO)5 and [MeN(PF2)2]4Mo2(CO)3 indicate the
烯烃钼羰基C 7 H 8 Mo(CO)n(n = 4,C 7 H 8 =降冰片二烯; n = 3,C 7 H 8 =环庚三烯)与RN(PF 2)2配体(R = Me和Ph)在100–120°C的烃溶剂中最终导致[RN(PF 2)2 ] n Mo 2(CO)11 – 2 n类型的双核络合物(n = 3、4和5) ; 由结构测定X上[PHN射线衍射(PF 2)2 ] 3 Mo 2(CO)5和[MeN(PF 2)2 ] 4 Mo 2(CO)3分别表示对称和不对称桥连羰基的存在。
Tris[phenyl(difluorophosphino)amino]phosphine (P[N(C6H5)PF2]3), a novel tridentate strong .pi.-acceptor ligand forming cage chelates. Crystal structure of the chelate complex P[N(C6H5)PF2]3Mo(CO)3
作者:George M. Brown、J. E. Finholt、R. B. King、T. W. Lee