Method for producing 2-naphthamide derivative, and compounds for producing 2-naphthamide derivative
US5917046A · kind A · utility
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8Claims
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Key dates
| Filing date | Jun 3, 1997 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Jun 3, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of producing a 2-naphthamide derivative of formula (I) that can be employed as an antiallergic agent or an agent for curing allergosis, and compounds for producing the 2-naphthamide derivative are provided: ##STR1## wherein R.sup.1 and R.sup.2 are each independently an unsubstituted or substituted aromatic hydrocarbon group, or an unsubstituted or substituted aromatic heterocyclic group; R.sup.3 is an acyl group, an alkoxylcarbonyl group, a substituted carbamoyl group, or an unsubstituted or substituted alkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.