... Scheme 3.45Water-soluble rhodium complexes, such as or the onesprepared in situ from and TPPTS and fromand TPPTS were succesfully used byLeitner et al. [282,295] for the hydrogenation of in aqueous ... the organic phase;were applied for this purpose. An important feature of thereaction is the strong substrate inhibition which does not allow the reductionof e.g. benzaldehyde in solutions ... aldehydes with [27,28,204].In contrast to the case of the water soluble complexes (P =PTA, TPPMS or TPPTS) which did not promote the reduction offunction in aldehydes or ketones in biphasic systems,...