A NEW CATALYST FOR THE EPIMERIZATION OF SECONDARY ALCOHOLS - CARBON HYDROGEN-BOND ACTIVATION IN THE RHENIUM ALKOXIDE COMPLEXES (ETA-5-C5R5)RE(NO)(PPH3)(OCHRR')
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abstract
The methoxide complexes (5-C5R5)Re(NO)-(PPh3KOCH3) (R = H, Me) catalyze the title reaction (65-90 C, C6H5R solvent); intermediate secondary alkoxide complexes undergo PPh3 dissociation and sequential epimerization at rhenium and carbon. 1991, American Chemical Society. All rights reserved.