1,2-二苯乙烷置于sodium Hydroxide,三氯氧磷体系中,用 甲醇 作为反应溶剂,化学反应生成 5-氯-2,3-二苯基吡嗪 参考文献: Process For The Preparation Of Diphenylpyrazine Derivatives[fr] Procédé De Préparation De Dérivés De Diphénylpyrazine 标题: Process For The Preparation Of Diphenylpyrazine Derivatives[fr] Procédé De Préparation De Dérivés De Diphénylpyrazine 摘要:本发明涉及一种使用溶剂从selexipag结晶盐制备无定形selexipag的方法.
专利号:US-4046763-A 优先权日:1968-11-08 标题:2,3-Diphenyl-5-ethylpyrazine 发明人:SCHWARTZ NORMAN; MOHRBACHER RICHARD J 权利人:MCNEILAB INC 摘要: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.
参考标题:Studies On Pyrazines. 35. An Improved Synthesis Of Bromopyrazines From Hydroxypyrazines 作者:Nobuhiro Sato,Nobuhiko Narita |发布日期:1999.5 摘要:The Synthesis Of Bromopyrazines From Hydroxypyrazines Was Successfully Effected By The Procedure Via Trimethylsilyloxypyrazines, The Sequence Of Which Proceeds Under Mild Conditions And Does Not Require The Isolation Of Intermediate.
合成参考文献
摘要:Kleemann, A.; Engel, J.; Kutscher, B.; Reichert, D., Pharmaceutical Substances[Online], Thieme: Stuttgart, (2016). 摘要:Sato, N., Science of Synthesis, (2004) 16, 804. 摘要:Sato, N., Science of Synthesis, (2004) 16, 812.