Cyano substituted diphenoquinones and a process for preparing them
US4243601A · kind A · utility
2Cited by
1References
6Claims
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Key dates
| Filing date | Mar 7, 1979 |
| Grant date | Jan 6, 1981 |
| Priority date | — |
| Expiry date | Mar 7, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0618
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Novel cyano substituted diphenoquinones of the formula, ##STR1## wherein X is a bromine atom or a cyano group, are useful as oxidizing agents and electron acceptors in charge-transfer complex formation owing to their high redox potentials. They may be easily prepared by oxidizing the corresponding cyano substituted biphenols with dinitrogen tetraoxide in an inert organic solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.