Process for monoalkylation of dihydric phenols
US4294991A · kind A · utility
1Cited by
4References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 24, 1979 |
| Grant date | Oct 13, 1981 |
| Priority date | — |
| Expiry date | Sep 24, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C43/23
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of a monoalkyl ether having the formula ##STR1## wherein R is an alkyl radical having 1 to 18 carbon atoms or C.sub.2 H.sub.5 --O--CH.sub.2 CH.sub.2 -- and R.sup.1 is hydrogen or an alkyl radical having 1 to 4 carbon atoms, which comprises reacting a compound having the formula R--OH with a mixture of a compound having the formula ##STR2## and a compound having the formula ##STR3## in the presence of an acid dehydration catalyst, wherein the weight ratio of II:III is from 5:1 to 20:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.