申请人:McNeil Laboratories, Incorporated
公开号:US04046763A1
公开(公告)日:1977-09-06
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.
化合物2,3-二苯基-5-乙基吡嗪,可用作合成吡嗪、芳基吡嗪、二苯基吡嗪和环烷基吡嗪马隆酸、乙酸盐、乙酰胺和乙酸的前体,这些化合物因其紫外线吸收性能而有用。