Process for making an optically active mixture of an N-acyl-amin

Details Process for making an optically active mixture of an N-acyl-amin Process for making an optically active mixture of an N-acyl-amin

1986-12-19

1990-05-29

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

560 16, 560 40, 560 41, 560153, 560164, 560170, 560171, 548344, 548479, 548533, 548535, 562445, 562446, 562493, 562557, 562559, 562561, 562563, 562567, 562571, 562573, 562575, 562590, 562601, C07C 9900

Patent

active

049297554

ABSTRACT:
In the process of hydrocarboxylating an .alpha.-enamide with CO and H.sub.2 O or an organic hydroxyl compound to produce an N-acyl-.alpha.-amino acid or ester, respectively, the improvement comprising using as the .alpha.-enamide reactant, an .alpha.-enamide which has a chiral center that is essentially all L or D, thereby producing a reaction mixture containing diastereomeric N-acyl-.alpha.-amino acids or esters having two chiral centers, said mixture having essentially no enantiomeric pairs.

REFERENCES:
patent: 4439618 (1984-03-01), Comelti et al.
patent: 4451407 (1984-05-01), Pesa et al.

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