CAS: 57696-89-6; 3,5,5-Trimethylcyclohexane-1,2-Dione

该化合物是一种圆形二氯酮,分子方程式为C9H14O2. 这一化合物的特点是1和2个位置用两条基酮组取代环己烷主干柱,3,5和5个位置用两条基酮组替代,3,5和5个位置用甲基组取代.其结构具有稳定性和回弹性,使其作为有机合成的中间体,特别是在制作香气,药品和农用化学材料方面. 三甲基组的僵化障碍会影响反应中的再生选择性.其晶体形式可以确保处理和储存的方便性.该化合物界定的纯度和一贯的构成使其适合于需要精确化学建筑块的研究和工业应用.

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合成工艺路线路线简述

    📜异佛尔酮置于盐酸,甲醇,Sodium Hydroxide,双氧水体系中,化学反应生成 3,5,5-三甲基环己烷-1,2-二酮
    参考文献:The Oxidation Of 3,5,5-Trimethyl-1,2-Cyclohexanedione By Hydrogen Peroxide
    标题:The Oxidation Of 3,5,5-Trimethyl-1,2-Cyclohexanedione By Hydrogen Peroxide
    摘要:
    DOI:10.1021/jo01087A618

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    专利信息


    专利号:US-7247752-B2
    优先权日:2004-10-01
    标 题 :Methods for the synthesis of astaxanthin
    发明人：LOCKWOOD SAMUEL F; TANG PENG CHO; NADOLSKI GEOFF; JACKSON HENRY L; FANG ZHIQIANG; DU YISHU; YANG MIN; GEISS WILLIAM; WILLIAMS RICHARD; BURDICK DAVID
    权利人:CARDAX PHARMACEUTICALS INC
    摘要:A method used for synthesizing intermediates for use in the synthesis of carotenoids and carotenoid analogs, and/or carotenoid derivatives. In some embodiments, the invention includes methods for synthesizing optically active intermediates useful for the synthesis of optically active carotenoids. Synthesis of optically active carotenoids, in one embodiment, may be accomplished by forming an optically active dihydroxy intermediate from ketoisopherone. The optically active dihydroxy intermediate may be converted into optically active astaxanthin derivatives.

    专利号:US-6444460-B1
    优先权日:1998-08-19
    标 题:Microbial production of actinol
    发明人：SHIMIZU SAKAYU; WADA MASARU
    权利人:ROCHE VITAMINS INC
    摘要:A process for making (4R, 6R)-4-hydroxy-2,2,6-trimethylcyclohexanone by contacting (6R)-2,2,6-trimethylcyclohexanedione with a microorganism which is selected from microorganisms of the genera Cellulomonas, Corynebacterium, Planococcus and Arthrobacter and which is capable of the selective asymmetric reduction of (6R)-2,2,6-trimethylcyclohexanedione to (4R, 6R)-4-hydroxy-2,2,6-trimethylcyclohexanone, and recovering the resulting (4R, 6R)-4-hydroxy-2,2,6-trimethylcyclohexanone from the reaction mixture. The selective asymmetric reduction can be effected in the presence of a co-factor, such as, nicotinamide adenine dinucleotide (NAD), nicotinamide adenine dinucleotide phosphate (NADP), or said co-factor with glucose and glucose dehydrogenase (GDH), and/or in the presence of a surfactant. The product is useful for the synthesis of carotenoids, such as, zeaxanthin.

    专利号:US-2006111580-A1
    优先权日:2004-10-01
    标 题 :Methods for the synthesis of chiral dihydroxy ketone intermediates useful for the chiral synthesis of carotenoids

    专利号:US-2006167319-A1
    优先权日:2004-10-01
    标题:Methods for the synthesis of unsaturated ketone intermediates useful for the synthesis of carotenoids

    专利号:US-2006178538-A1
    优先权日:2004-10-01
    标题:Methods for the synthesis of chiral dihydroxy intermediates useful for the chiral synthesis of carotenoids

    专利号:US-2006155150-A1
    优先权日:2004-10-01
    标题 :Methods for the synthesis of lutein

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    合成参考文献


    摘要:Landais, Y.; Vincent, J. M., Science of Synthesis, (2005) 26, 691.
    摘要:Landais, Y.; Vincent, J. M., Science of Synthesis, (2005) 26, 688.
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