Process for the preparation of alkanediol-diaminobenzoates

Details Process for the preparation of alkanediol-diaminobenzoates Process for the preparation of alkanediol-diaminobenzoates

1998-11-04

2000-08-29

Richter, Johann

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

Organic compounds

Carboxylic acid esters

560 86, C07C 6976

Patent

active

061111295

ABSTRACT:
A process is disclosed for the direct preparation of alkanediol-diaminobenzoates comprising transesterifying an alkyl-p-aminobenzoate with a diol in the presence of a transesterification catalyst.

REFERENCES:
patent: 3188302 (1965-06-01), Lorenz
patent: 3932360 (1976-01-01), Cerankowski et al.
patent: 4283549 (1981-08-01), Holm
patent: 4476318 (1984-10-01), Harada et al.
Organotin Compounds as Transesterification Catalysts. Poller et al., J. Organometallic Chemistry, 173 (3), 1979, p. C7-C8.
Database CAPLUS on STN, Acc. No. 1973:504959, Kato et al., `Phenyl p- and m-aminobenzoates.` JP 48039458 (abstract), 1973.

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