BINUCLEAR HYDROXO-BRIDGED, METHOXO-BRIDGED, AND PHYRAZOLATE-BRIDGED COMPLEXES OF RUTHENIUM (II) - MOLECULAR-STRUCTURE OF [((P-CYMENE) RU(2(MU-PZ)(MU-OH)2]BF4 (P-CYMENE = P-MEC6H4CHME2, PZ = PYRAZOLATE)

被引:28
作者
CARMONA, D [1 ]
MENDOZA, A [1 ]
FERRER, J [1 ]
LAHOZ, FJ [1 ]
ORO, LA [1 ]
机构
[1] UNIV ZARAGOZA,CSIC,INST CIENCIA MAT ARAGON,DEPT QUIM INORGAN,E-50009 ZARAGOZA,SPAIN
关键词
D O I
10.1016/0022-328X(92)83288-S
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The tris(mu-hydroxo)diruthenium complexes [{(p-cymene)Ru}2(mu-OH)3]A (A = BPh4, BF4, or PF6) react with pyrazole-type ligands (HLL) to give the bridged complexes [{(p-cymene)Ru}2(mu-LL)(mu-OH)2]A and/or [{(p-cymene)Ru}2(mu-LL)2(mu-OH)]A, depending on the pyrazolate, counteranion and reaction conditions. The tris(mu-methoxo)diruthenium complexes [{(p-cymene)Ru}2(mu-OMe)3]A react in methanol with HLL to give the A-pyrazolate compounds [{(p-cymene)Ru}2(mu-LL)(mu-OMe)2]A. The bis(mu-pyrazolate)(mu-methoxo)complexes [{(p-cymene)Ru)2(A-PZ)2(mu-OMe)]A have also been prepared. The structure of [{(p-cymene)Ru}2(mu-pz)(mu-OH)2]BF4 was determined by X-ray diffraction methods. The complex consists of two (p-cymene)Ru moieties connected by one pyrazolate and two hydroxo-groups. The two ruthenium atoms are 3.2120(5) angstrom apart.
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页码:87 / 102
页数:16
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