Alkyl 2-carboalkoxy-3,4-dialkoxybenzenecarbamates and process fo

Details Alkyl 2-carboalkoxy-3,4-dialkoxybenzenecarbamates and process fo Alkyl 2-carboalkoxy-3,4-dialkoxybenzenecarbamates and process fo

1985-07-29

1986-10-14

Helfin, Bernard

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

Organic compounds

Carboxylic acid esters

544285, C07C125065

Patent

active

046174176

ABSTRACT:
A process for the preparation of alkyl 2-carboxy-3,4-dialkoxybenzenecarbamates is described. The carbamates are useful intermediates in the preparation of 8-halo-5,6-dialkoxyquinazoline-2,4-diones. The diones are useful as cardiotonic agents.

REFERENCES:
patent: 3674882 (1972-07-01), Houlihan

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