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US 4,046,763 AGranted
2,3-Diphenyl-5-ethylpyrazine
AssigneeMcNeil Laboratories, Incorporated
InventorsNorman Schwartz, Richard J. Mohrbacher
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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.
Claims1
2,3-diphenyl-5-ethylpyrazine.
Dependencies are inferred from the claim text.