Phenyl substituted aminodicarboxylate esters

Details Phenyl substituted aminodicarboxylate esters Phenyl substituted aminodicarboxylate esters

1985-11-01

1987-07-21

Brust, Joseph Paul

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

Organic compounds

Nitriles

546329, 546330, 548453, 548531, 560 17, 560 22, 560 38, 560 39, 560 41, C07C12152, C07C10128, C07C14940, C07C 7946

Patent

active

046819711

ABSTRACT:
The invention relates to pyrrolinones of formula (1) ##STR1## wherein R.sub.1 is an alkyl group containing at least 2 carbon atoms, an aralkyl group, an isocyclic or heterocyclic aromatic radical and R is an alkyl or aryl group.
The invention also relates to aminodicarboxylates of formula (2) ##STR2## wherein R.sub.1 is as defined in claim 1 and R and R' are the same or different and are alkyl or aryl.
The aminodicarboxylates of formula (2) are prepared by condensing a disuccinate of the formula

REFERENCES:
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patent: 4540791 (1985-09-01), Cassar et al.
patent: 4579949 (1986-04-01), Rochat et al.
patent: 4585878 (1986-04-01), Jost et al.
patent: 4613669 (1986-09-01), Cassar et al.
C.A., 100:87260q (1984), Rochat et al.
W. O. Emery; Ann. 260, 137 (1890), pp. 137-160.
C. A. Grob, et al.; Helv. Chim. Acta, 32, (1949), pp. 2010-2023.

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