Ca. Carraz et al., Rhodium(I) complexes of unsymmetrical diphosphines: efficient and stable methanol carbonylation catalysts, CHEM COMMUN, (14), 2000, pp. 1277-1278
Rhodium complexes of unsymmetrical diphosphines of the type Ph2PCH2CH2PAr2
are catalysts for the carbonylation of methanol; several features of the ca
talysis are reminiscent of iridium carbonylation catalysts.