2-Hydroxy-3-naphthoic acid amides
US4321373A · kind A · utility
2Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 29, 1980 |
| Grant date | Mar 23, 1982 |
| Priority date | — |
| Expiry date | Aug 29, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/58
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to 2-hydroxy-3-naphthoic acid amides of the general formula: ##STR1## wherein R.sub.1 is hydrogen, a substituted or unsubstituted alkyl, cycloalkyl, aralkyl, or aryl group, and R.sub.2 and R.sub.3 are identical or different and are hydrogen, a substituted or unsubstituted alkyl, cycloalkyl, aralkyl, or aryl group, or, together with the nitrogen atom to which they are attached, a substituted or unsubstituted heterocyclic group. The compounds are useful as coupling components for diazo printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.