Optical resolution of amino acids into optical antipodes

Details Optical resolution of amino acids into optical antipodes Optical resolution of amino acids into optical antipodes

1978-08-07

1980-01-08

Thomas, Jr., James O.

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

Organic compounds

Carboxylic acid esters

260390, 2604482R, 26050111, 560 20, 560 30, 560 32, 560 33, 562430, 562434, 562444, 562449, 562450, 562451, C07C 6902, C07C10106

Patent

active

041828992

ABSTRACT:
The present application relates to the optical resolution into optical antipodes of compounds of the formula ##STR1## as well as to salts consisting of an optical isomer of a compound of the above formula and an optical isomer of 2-aminobutanol. The optically active compounds of the above formula are employed as starting materials for the production of semisynthetic antibiotics of the cephalosporin or penicillin type.

REFERENCES:
patent: 3132176 (1964-05-01), Bollinger et al.
patent: 3796748 (1974-03-01), Holdrege
patent: 3869505 (1975-03-01), Palmer
patent: 3904681 (1975-09-01), Eichenberger et al.
patent: 4002666 (1977-01-01), Shirai et al.
Greenstein & Winitz, Chem. of the Amino Acids, John Wiley & Sons, Inc., N.Y., vol. 1, pp. 715-728 (1961).
Radke et al., Chem. Absts., 49, 10186(d) (1955).
Mutak et al., Chem. Absts., 86, 190466(c) (1977).

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