CAS: 345-89-1; (4-Fluorophenyl)(4-Methoxyphenyl)Methanone

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4,4'-二氟二苯甲酮置于氢氧化钾体系中,用 甲醇,水,二甲基亚砜 作为反应溶剂,化学反应 18.0H,反应生成 4-氟-4'-甲氧基二苯甲酮
参考文献:涉及亲核芳族取代的聚合反应和相关反应.第1部分.取代的4-卤代二苯甲酮与取代的4-羟基二苯甲酮的钾盐的反应速率
标题:涉及亲核芳族取代的聚合反应和相关反应.第1部分.取代的4-卤代二苯甲酮与取代的4-羟基二苯甲酮的钾盐的反应速率
摘要:在175处研究了4'-X,4-羟基二苯甲酮的钾盐(x = Cf 3,Cl,F,H,Oph和ome)从4'-X,4-氟二苯甲酮中置换氟的速率.在二苯砜中为-225oc作作为反应溶剂.与相应的氯置换速率的比较表明该反应是双分子亲核芳族取代.在底物(ρ1.19)和酚盐(ρ-0.53)中,反应均使用正常的σ值遵守hammett方程.盐对反应速率的影响也很明显,它已包含在取代基常数中,作为计算速率系数的通用方程式.o的影响-取代基的显着性要比该取代基的先前σ值范围所期望的要大.
DOI:10.1039/p29880001729

专利信息

专利号:WO-2022148752-A9
优先权日:2021-01-08
标 题 :Photochromic dyes and polymeric matrix for an efficient dimming film
发明人：KARIPIDOU ZOI; KNORR NIKOLAUS; HENNIG DIANA; ROSSELLI SILVIA; ONO HIDEKI; TAKANASHI HIDEHIKO; HERON MARK; EDGAR ROSS
权利人:SONY GROUP CORP; SONY EUROPE BV
摘要:The present disclosure relates to a photochromic molecule and uses of said molecule. The present disclosure further relates to a method of preparing a film comprising said molecule. The present disclosure also relates to a film prepared using said molecule and a device comprising said molecule. Furthermore, the present disclosure relates to a method for synthesis of said molecule. The photochromic molecules are represented by the following formulas: (1), (2), (3), (4), wherein Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7, and Ar8 are, at each occurrence, independently selected from the group consisting of formula (I).

专利号:CN-119350141-A
优先权日:2024-10-23
标题:Method for green synthesis of aromatic ketone and biphenyl based on quartz sand solid-phase system

专利号:CN-104987273-B
优先权日:2015-07-09
标题:Catalytic oxidation synthesis method of diaryl ketones

专利号:CN-104987273-A
优先权日:2015-07-09
标 题:Catalytic oxidation synthesis method of diaryl ketones