Synthesis and reactivity of coordinatively unsaturated osmium and ruthenium stannyl complexes

被引:11
作者
Craig, PR [1 ]
Flower, KR [1 ]
Roper, WR [1 ]
Wright, LJ [1 ]
机构
[1] UNIV AUCKLAND,DEPT CHEM,AUCKLAND,NEW ZEALAND
关键词
osmium complexes; ruthenium complexes; stannyl complexes;
D O I
10.1016/0020-1693(95)04558-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Treatment of MHCl(CO) (PPh(3))(3) (M = Ru, Os) with (CH2=CH) SnR(3) is a good general route to the coordinatively unsaturated osmium and ruthenium stannyl complexes M(SnR(3))Cl(CO)(PPh(3))(2) (1: M = Ru,R = Me;2: M = Ru, R = n-butyl; 3: M = Ru, R = p-tolyl; 4: M = Os, R = Me). These coordinatively unsaturated complexes readily add CO and CN-p-tolyl to form the coordinatively saturated compounds Mt SnR(3))Cl(CO)L(PPh(3))(2) (5: M =Ru, R = Me, L = CO;arM = Ru, R = n-butyl, L= CO; 7: M = Ru, R = p-tolyl, L = CO; 8: M = Os, R = Me, L = CO; 9: M = Ru, R = Me, L = CN-p-tolyl; 10: M = Ru, K = n-butyl, L = CN-p-tolyl; 11: M = Os, R = Me, L= CN-p-tolyl). In addition, the chloride ligand in Ru(SnR(3))Cl(CO) (PPh(3))(2) proves to be labile and treatment with the potentially bidentate anionic ligands, dimethyldithiocarbamate or diethyldithiocarbamate, affords the coordinatively saturated compounds Ru(SnR(3))(eta(2)-S(2)CNR'(2)) (CO) (PPh(3))(2) (12: R = Me, R' = Me; 13: R = Me, R' = Et; 14: R = n-butyl, R' = Me; 15: R =p-tolyl, R' = Me; 16: R =p-tolyl, R' = Et). Chloride is also displaced by carboxylates forming the six-coordinate compounds Ru(SnR(3)) (eta(2)-O(2)CR') (CO) (PPh(3))(2) (17: R = Me, R' = H; 18: R = Me, R' = Me; 19: R = Me, R' = Ph; 20: R = n-butyl, R' = Me; 21: R =p-tolyl, R' = Me). IR and H-1 NMR spectral data for all the new compounds and P-31 and Sn-119 NMR spectral data for selected compounds are reported.
引用
收藏
页码:385 / 391
页数:7
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