2,3-Diphenyl-5-ethylpyrazine
US4046763A · kind A · utility
3Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1972 |
| Grant date | Sep 6, 1977 |
| Priority date | — |
| Expiry date | Nov 17, 1992 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D241/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The compound 2,3-diphenyl-5-ethyl-pyrazine, useful as a precursor in the synthesis of those compounds of the class of pyrazine, arylpyrazine, diphenylpyrazine, and cycloalkylpyrazine malonates, acetates, acetamides, and acetic acids, useful for their ultraviolet light absorption properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.