Di-t-butylphenyl alkyl and benzyl ether nitriles
US4973731A · kind A · utility
3Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1987 |
| Grant date | Nov 27, 1990 |
| Priority date | — |
| Expiry date | Apr 23, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D257/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel compounds which are di-t-butylphenyl alkyl or benzyl ethers which alkyl or benzyl group is substituted by an acidic group are useful an antiallergic agents. Synthetic intermediates for making such compounds are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.