Biphenyl aldehydes
US4365072A · kind A · utility
0Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 1981 |
| Grant date | Dec 21, 1982 |
| Priority date | — |
| Expiry date | Oct 22, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Biphenyl compounds of the formula ##STR1## wherein one of R.sup.1 and R.sup.2 is hydrogen and the other is --CHO and the cyclic moiety A is a -2,5-; 2,3; or 3,4-di-OR-1-phenyl moiety wherein R is hydrogen or a hydroxy-protecting group are disclosed. The compounds are useful as intermediates in preparing redox compounds containing a phenylhydroquinone or phenylcatechol moiety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.