Journal of Organometallic Chemistry p. 195 - 204 (1980)
Update date:2022-08-05
Topics:
Schenk, Wolfdieter A.
cis- and trans-tetracarbonyltungsten complexes (R3P)(R'3E)W(CO)4 (R3P, R'3E=i-Pr3P, Ph2-i-PrP, Ph3P, Ph2HP, (Me2N)3P, Ph(i-PrO)2P, (i-PrO)3P, (PhO)3P, Ph3As, Ph3Sb) are obtained from the chlorotetracarbonyltungstates <(R3P)W(CO)4Cl>- by several different routes.A cis-trans equilibrium is attained at 20-80 deg C with the trans isomer being thermodynamically more stable in nearly all cases.The cis-trans isomerisation of the phosphine-arsine and phosphine-stibine complexes is shown by ligand exchange experiments to occur via dissociation of the arsine and stibine ligand, respectively.The bis(phosphine) complexes, however, isomerise intramolecularly without bond cleavage.
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Doi:10.1021/jm00178a020
(1980)Doi:10.1007/BF00846293
()Doi:10.1039/c5ra20524g
(2016)Doi:10.1016/S0022-328X(00)83511-1
(1980)Doi:10.1016/j.ica.2013.11.014
(2014)Doi:10.1002/hlca.200690058
(2006)
