Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1988-02-11
1992-08-04
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
562401, 562402, 549300, 549302, C07D20716, C07C22730, C07C22734
Patent
active
051360500
ABSTRACT:
Novel substituted lactones of amino acids in all their possible stereoisomeric forms or mixtures thereof of the formula ##STR1## wherein A is a hydrocarbon chain of 1 to 10 chain members containing one or more heteroatoms and one or more unsaturations and the chain members being a mono- or polycyclic system or comprises a system of spiro or endo type and may contain one or more chiral atoms or the lactone copula can present a supplementary chirality due to the asymetric spatial configuration of the molecule make up and R is selected from the group consisting of ##STR2## wherein Z is the organic remainder of an amino acid of the formula ##STR3## Y is derived from a primary, secondary or tertiary alcohol of the formula Y-OH and B is the remainder of a heterocycle amino acid of 3 to 6 carbon atoms of the formula ##STR4## and their preparation and their use for the resolution of amino acids.
REFERENCES:
patent: 2904554 (1959-09-01), Wheeler et al.
patent: 4224239 (1980-09-01), Tashiro et al.
Martel Jacques
Teche Andre
Tessier Jean
Dalton Philip I.
Roussel Uclaf
Shah Mukund J.
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