CAS: 67073-96-5; 1-(6-Methylpyrimidin-4-yl)Ethanone

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CAS号3438-46-8 4-甲基嘧啶 | CAS号75-07-0 乙醛 | CAS号74647-33-9 (9CI)-4-乙基-6-甲基嘧啶

📜4-甲基嘧啶置于ammonium Persulfate,硫酸,Silver Nitrate体系中,用 二氯甲烷,水,叔丁醇,苯 作为反应溶剂,化学反应 2.0H,反应生成 1-(6-甲基-4-嘧啶)-乙酮
参考文献:Substituent Effects On Photochemical Hydrogen Abstraction In 2-Acylpyridines,2-Acylpyrazines,And 4-Acylpyrimidines
标题:Substituent Effects On Photochemical Hydrogen Abstraction In 2-Acylpyridines,2-Acylpyrazines,And 4-Acylpyrimidines
摘要:Stern-Volmer Quenching Of The Photochemistry Of 1C Indicates That N-And O-Abstraction (Eqs 1 And 2,Respectively) Are Quenched At Different Rates (Figure 1). For Quenching Of 2C K(Q) Tau Is 157 M(-1) And For 3C,64 M(-1). When 1C Is Sensitized With Triplet Sensitizers Of Increasing E(T),N-Abstraction Increases (Table 1). These Data Indicate That N-And O-Abstraction In 1C Take Place From Distinguishable Triplet States. Survey Of Phi(P)'S Of Ring-Substituted Ketones 1B-D,6D,7A,B,D,8B,9B,D,10B,And 11D Demonstrates The Effect Of Substitution On The Competition Between N-And O-Abstraction (Table 2). For Methyl-And Diacyano-Substituted Ketones,The Results Can Be Understood Simply In Terms Of Shifts In E(T) Of The N Pi* And Pi Pi* States Of The Heterocycle. The Photochemistry Of All These Ketones Requires Consideration Of Interactions Among Three Triplet States.
DOI:10.1021/jo00087A032