摘要
Bis(diphenylphosphinomethyl) pyridine(PNP)reaction with Na2OsCl6 - 6H2O to give the five coordinated,sixteen-electron complex Os(PNP)Cl2,.In the presence of formaldehyde,the reaction between Na2OsCl6 6H2O and PNP proceeds rapidly in boiling ethanol to give the coordinately saturated Os(PNP)Cl2(CO).The IR spectrum of Os (PNP)Cl2(CO)shows a strong absorption band at 1970 cm-1assignable to vco stretch. PNP reacts with RuCl2(PPh3),and RuCl2(DMSO)4(DMSO=dimethyl sulfoxide)to give Ru (PNP)CI2(PPh3)and Ru (PNP)Cl2(DMSO)respectively.The average Ru-CI, Ru-P and Ru-N bond distance in Ru (PNP)Cl2 (PPh3) determlneby X-ray crystallography are 0. 242, 0. 236 and 0. 216 nm, respectively.
Bis(diphenylphosphinomethyl) pyridine(PNP)reaction with Na2OsCl6 - 6H2O to give the five coordinated,sixteen-electron complex Os(PNP)Cl2,.In the presence of formaldehyde,the reaction between Na2OsCl6 6H2O and PNP proceeds rapidly in boiling ethanol to give the coordinately saturated Os(PNP)Cl2(CO).The IR spectrum of Os (PNP)Cl2(CO)shows a strong absorption band at 1970 cm-1assignable to vco stretch. PNP reacts with RuCl2(PPh3),and RuCl2(DMSO)4(DMSO=dimethyl sulfoxide)to give Ru (PNP)CI2(PPh3)and Ru (PNP)Cl2(DMSO)respectively.The average Ru-CI, Ru-P and Ru-N bond distance in Ru (PNP)Cl2 (PPh3) determlneby X-ray crystallography are 0. 242, 0. 236 and 0. 216 nm, respectively.
