| 摘要 |
<p>(A)The cpd bis(triphenylphosphine)hydrazinomethoxy rhodium (I) is claimed (B) A process is claimed for the stereospecific hydrogenation of 6-demethyl-6-deoxy-6-methylene-5-hydroxytetracycline (cpd X) in the presence of (A) as catalyst, opt in presence of triphenylphosphine, at 1-10 kg/cm2 and 20-95 deg.C, in an inert solvent e.g. a 1-6C alcohol.</p> |
