PRACTICAL ASYMMETRIC SYNTHESIS OF (R)-(-)-PHENYLEPHRINE HYDROCHLORIDE CATALYZED BY (2R,4R)-MCCPM-RHODIUM COMPLEX
The neutral chiral N-substituted CPM-rhodium complexes were found to be efficient catalysts for asymmetric hydrogenation of 3'-benzyloxy-2-(N-benzyl-N-methyl)aminoacetophenone hydrochloride.A practical asymmetric synthesis of (R)-(-)-phenylephrine hydrochloride catalyzed by newly synthesized (2R,4R)-MCCPM-rhodium complex has been achieved.
Efficient asymmetric hydrogenation of α-amino ketone derivatives. A highly enantioselective synthesis of phenylephrine, levamisole, carnitine and propranolol
The complexes of pyrrolidine bisphosphine ligands (CPMs) with rhodium (I) were found to be efficient catalysts for asymmetric hydrogenation of α-amino ketone hydrochloride derivatives. Utilizing this methodology, we have developed efficient asymmetric syntheses of the optically active β-amino alcohols, phenylephrine, levamisole, carnitine and propranolol.
Sukuraba,Takahashi,Takeda,Achiwa
p. 738 - 747
(2007/10/02)
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