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    • 8. 发明申请
    • KETAL ESTERS OF OXOCARBOXYLIC ACIDS AND PROCESS OF MAKING
    • 羟基羧酸的酯盐和制备方法
    • WO2011032095A1
    • 2011-03-17
    • PCT/US2010/048644
    • 2010-09-13
    • SEGETIS, INC.WICKS, Douglas A.SELIFONOV, SergeySCHOLTEN, Marc Davis
    • WICKS, Douglas A.SELIFONOV, SergeySCHOLTEN, Marc Davis
    • C07D317/14
    • C07D317/14
    • A ketal ester of an oxocarboxylic acid and a process to make the same, where the ketal ester is of Structure (I): wherein a is 0 or an integer from 1 to 12; n is 0 or 1; R 1 is a linear alkyl, aryl, arylalkylene, or branched alkyl group with 1-18 carbon atoms; R 2 and R 5 can be hydrogen, C 1-6 straight chain or branched alkyl, phenyl, substituted phenyl, C1-6 alkyl substituted with up to four OH groups, C1-6 alkyl, or acetyl optionally substituted hydrocarbon radicals, or R 2 and R 4 together with the α-carbon form a cycloaliphatic or heterocyclic ring with 3-6 carbon atoms and 0-3 heteroatoms, provided that only one of R 2 and R 5 is hydrogen; R 3 is a linear alkyl or branched alkyl group with 1-18 carbon atoms; and R 4 is hydrogen, or an alkyl, aryl, aralkyl or branched alkyl group with 1-10 carbon atoms.
    • 一种氧代羧酸的缩酮酯及其制备方法,其中缩酮为结构式(I):其中a为0或1至12的整数; n为0或1; R1是具有1-18个碳原子的直链烷基,芳基,芳基亚烷基或支链烷基; R 2和R 5可以是氢,C 1-6直链或支链烷基,苯基,取代的苯基,被至多四个OH基取代的C 1-6烷基,C 1-6烷基或乙酰基任选取代的烃基,或者R 2和R 4一起 与α-碳形成具有3-6个碳原子和0-3个杂原子的脂环族或杂环,条件是只有一个R2和R5是氢; R3是具有1-18个碳原子的直链烷基或支链烷基; 和R 4是氢,或具有1-10个碳原子的烷基,芳基,芳烷基或支链烷基。