Process for the preparation of 5,6-dialkoxyanthranilic acids

Details Process for the preparation of 5,6-dialkoxyanthranilic acids Process for the preparation of 5,6-dialkoxyanthranilic acids

1985-07-29

1987-04-14

Trousof, Natalie

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

Organic compounds

Carboxylic acids and salts thereof

560 46, 562423, 564142, 564144, C07C10154

Patent

active

046580549

ABSTRACT:
A process for the preparation of 5,6-dialkoxyanthranilic acids is described. The 5,6-dialkoxyanthranilic acids are useful in the preparation of substituted quinazolinediones which are active cardiotonic agents.

REFERENCES:
patent: 3238203 (1966-03-01), Krapcho
patent: 3592842 (1971-07-01), Houlihan
Meth-Cohn et al., Chemical Abstracts, vol. 89, No. 1973025, (1978).
Fieser et al., Reagents for Organic Synthesis, Wiley, New York, 1967, p. 95.
Hodges et al., J. Am. Chem. Soc., vol. 86, pp. 4310-4314, 1964.

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