Patent · US Expired

Process for 4-dimethylamino-3,5-dimethoxybenzaldehyde

US4900859A · kind A · utility

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5References
6Claims
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Assignee

Inventors

Key dates

Filing dateNov 17, 1988
Grant dateFeb 13, 1990
Priority date
Expiry dateNov 17, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C255/59
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

4-Dimethylamino-3,5-dimethoxy-benzaldehyde, an intermediate for the preparation of the antibacterially active aditoprim (4-dimethylamino-3,5-dimethoxybenzoldehyde) a known antibacterially active compound, is obtained from 4-dimethylaminobenzonitrile by bromination or chlorination, replacement of the halogen by the methoxy group and reduction of the nitrile group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.