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    • 2. 发明公开
    • 옥심 에스테르를 포함하는 수지상 광활성 화합물 및 이의제조방법
    • 包含氧化酯的透光性光化合物及其制备方法
    • KR1020090008534A
    • 2009-01-22
    • KR1020070071545
    • 2007-07-18
    • 주식회사 엘지화학
    • 이건우조창호민경훈카르바쉬,라이사이창순김성현
    • C07C251/34C07C251/32C07C251/36
    • C07C259/06C07C323/47G03F7/031
    • A dendritic photoactive compound comprising oxime ester and a method for preparing the same are provided to ensure excellent solubility to an organic solvent and an effect of generating radicals by absorbing ultraviolet rays by comprising an ester group and chromophore within one molecule. A method for preparing a dendritic photoactive compound comprising oxime ester comprises (i) a step for producing a compound of the formula (a) and a compound of the formula (b) by reacting an aldehyde and ketone substituted with methyl in the presence of a base; (ii) a step for producing a compound of the formula (c) and a compound of the formula (d) by adding NH2OH.HCl and the sodium salt of carboxylic acid to the compound generated in (i) step; and (iii) a step for producing a compound of the formula (1a) and a compound of the formula (1b) by adding R1-C(O)-Cl, R2-C(O)-Cl, R3-C(O)-Cl and a base to the compound generated in (ii) step.
    • 提供包含肟酯的树枝状光活性化合物及其制备方法,以确保对有机溶剂的优异溶解性,以及通过在一个分子内包含酯基和发色团而吸收紫外线而产生自由基的效果。 制备包含肟酯的树枝状光活性化合物的方法包括(i)通过使醛和被甲基取代的酮在存在下进行反应来制备式(a)化合物和式(b)化合物的步骤 基础; (ii)通过向(i)步骤中生成的化合物中加入NH 2 OH·HCl和羧酸钠盐,制备式(c)化合物和式(d)化合物的步骤; 和(iii)通过加入R1-C(O)-Cl,R2-C(O)-Cl,R3-C(O) - (C1-C4))的化合物制备式(1a)化合物和式 )-Cl和在(ii)步骤中生成的化合物的碱。