Preparation of 3-amino-4-hydroxybenzoic acids

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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562434, 562438, C07C 9900

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active

048353060

ABSTRACT:
This invention is a process for the preparation of a 3-amino-4-hydroxybenzoic acid which comprises

REFERENCES:
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patent: 3929864 (1975-12-01), Popenfuss
patent: 4036838 (1977-07-01), Vogel et al.
Morrison et al., "Organic Chemistry", Allyn & Bacon, Inc., p. 797 (1966).
Oie et al, Chem. Abst; vol. 75, #76302 (1971).

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