Substituted lactones of amino acids

Details Substituted lactones of amino acids Substituted lactones of amino acids

1982-06-30

1985-04-23

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546207, 546214, 548517, 548525, 549288, 549293, 549303, 549320, C07D40504

Patent

active

045131392

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 heterocyclic 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:
Capeller et al., Helv. Chim. Acta., 40, (1957), pp. 1652-1658.

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