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    • 8. 发明申请
    • Process for the preparation of 1-phenylindan photoinitiators
    • 1-苯基吲哚类光引发剂的制备方法
    • US20060241323A1
    • 2006-10-26
    • US10553777
    • 2004-04-26
    • Rinaldo HuslerThomas Horni
    • Rinaldo HuslerThomas Horni
    • C07C45/46
    • C08F2/50C07C45/46C07C45/63C07C45/64C07C45/81C07C49/792C07C49/813C07C49/83
    • The invention relates to a process for the preparation of a crystalline isomeric mixture of compounds of formulae (I) and (II) which process comprises the following steps: a) the slow addition of aluminium chloride, in portions, to a solution comprising 1,1,3-trimethyl-3-phenylindan and isobutyric acid halide in a suitable solvent at a reaction temperature of from −20° C. to 20° C., an isomeric mixture consisting of compounds of formulae (Ia) and (IIa) being obtained; b) enol chlorination of compounds (Ia) and (IIa), an isomeric mixture consisting of compounds of formulae (Ib) and (IIb) being obtained; c) hydrolysis of the chlorinated isomeric mixture from step b). The invention relates also to the preparation of the individual compounds (I) and (II).
    • 本发明涉及一种制备式(I)和(II)化合物的结晶异构体混合物的方法,该方法包括以下步骤:a)将氯化铝缓慢加入到包含1, 1,3-二甲基-3-苯基茚基和异丁酸卤化物在合适的溶剂中,在-20℃至20℃的反应温度下,由式(Ia)和(IIa)化合物组成的异构体混合物为 获得; b)化合物(Ia)和(IIa)的烯醇氯化,得到由式(Ib)和(IIb)的化合物组成的异构体混合物; c)步骤b)中氯化异构体混合物的水解。 本发明还涉及单个化合物(I)和(II)的制备。