Benzyl alcohol derivatives, their preparation and use
US4496590A · kind A · utility
9Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1983 |
| Grant date | Jan 29, 1985 |
| Priority date | — |
| Expiry date | Apr 18, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C215/82
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel hydroxyphenylaminobenzenealkanols, useful as antiasthmatic agents, are of the formula ##STR1## wherein R is hydrogen, lower-alkyl, lower-alkoxy or halo; R' is hydrogen or lower-alkyl; R" is hydrogen, lower-alkyl or halo; and Y is C.sub.n H.sub.2n wherein n is 1-2. The compounds are prepared by de-etherification of the corresponding phenol alkyl or benzyl ethers; by reduction of the corresponding benzoic acids or esters thereof; or by reduction of ketones wherein --Y--OH is replaced by --COCH.sub.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.