Polyazolyl Chelate Chemistry. 6.1 Bidentate Coordination of HB(pz)3 (pz = Pyrazol-1-yl) to Ruthenium and Osmium: Crystal Structure of [RuH(CO)(PPh3)2{![]()
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- 作者：Ian D. Burns ; Anthony F. Hill ; Andrew J. P. White ; David J. Williams ; and James D. E. T. Wilton-Ely
- 刊名：Organometallics
- 出版年：1998
- 出版时间：April 13, 1998
- 年：1998
- 卷：17
- 期：8
- 页码：1552 - 1557
- 全文大小：116K
- 年卷期：v.17,no.8(April 13, 1998)
- ISSN：1520-6041
文摘
[RuHCl(CO)(PPh3)3],[Ru(SnPh3)Cl(CO)(PPh3)2],or[RuH(CO)(NCMe)2(PPh3)2]BF4reactswith K[HB(pz)3] (pz = pyrazol-1-yl) to provide[RuH(CO)(PPh3)2{
2-HB(pz)3}],thermolysisof which proceeds via loss of phosphine and formation of[RuH(CO)(PPh3){3-HB(pz)3}].Thethiocarbonyl analogue[RuH(CS)(PPh3)2{2-HB(pz)3}]is obtained from[RuHCl(CS)(PPh3)3]and K[HB(pz)3], thermolysis of which provides[RuH(CS)(PPh3){3-HB(pz)3}].In chloroform,this species provides[RuCl(CS)(PPh3){3-HB(pz)3}].[RuH(CS)(PPh3)2{2-H2B(bta)2}](bta= benzotriazolyl) results from the reaction of[RuHCl(CS)(PPh3)3] withK[H2B(bta)2]. Thehydride-bridged dinuclear complex[RuCu(
-H)(CO)(PPh3)2{3-HB(pz)3}]PF6results in highyield from the reaction of[RuH(CO)(PPh3)2{2-HB(pz)3}],with [Cu(NCMe)4]BF4.[Os(C6H5)(CO)(PPh3)2{2-HB(pz)3}](from[Os(C6H5)Cl(CO)(PPh3)2]and K[HB(pz)3]) converts on heatingto[Os(C6H5)(CO)(PPh3){3-HB(pz)3}].
2-HB(pz)3}],thermolysisof which proceeds via loss of phosphine and formation of[RuH(CO)(PPh3){3-HB(pz)3}].Thethiocarbonyl analogue[RuH(CS)(PPh3)2{2-HB(pz)3}]is obtained from[RuHCl(CS)(PPh3)3]and K[HB(pz)3], thermolysis of which provides[RuH(CS)(PPh3){3-HB(pz)3}].In chloroform,this species provides[RuCl(CS)(PPh3){3-HB(pz)3}].[RuH(CS)(PPh3)2{2-H2B(bta)2}](bta= benzotriazolyl) results from the reaction of[RuHCl(CS)(PPh3)3] withK[H2B(bta)2]. Thehydride-bridged dinuclear complex[RuCu(-H)(CO)(PPh3)2{3-HB(pz)3}]PF6results in highyield from the reaction of[RuH(CO)(PPh3)2{2-HB(pz)3}],with [Cu(NCMe)4]BF4.[Os(C6H5)(CO)(PPh3)2{2-HB(pz)3}](from[Os(C6H5)Cl(CO)(PPh3)2]and K[HB(pz)3]) converts on heatingto[Os(C6H5)(CO)(PPh3){3-HB(pz)3}].