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    • 1. 发明授权
    • Ketal esters of oxocarboxylic acids and process of making
    • 氧代羧酸的酮酯和制备方法
    • US08889890B2
    • 2014-11-18
    • US13395317
    • 2010-09-13
    • Douglas A. WicksSergey SelifonovMarc Davis Scholten
    • Douglas A. WicksSergey SelifonovMarc Davis Scholten
    • C07D317/24C07D317/14
    • 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; R1 is a linear alkyl, aryl, arylalkylene, or branched alkyl group with 1-18 carbon atoms; R2 and R5 can be hydrogen, C1-6 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 R2 and R4 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 R2 and R5 is hydrogen; R3 is a linear alkyl or branched alkyl group with 1-18 carbon atoms; and R4 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。
    • 2. 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
    • US20120323024A1
    • 2012-12-20
    • US13395317
    • 2010-09-13
    • Douglas A. WicksSergey SelifonovMarc Davis Scholten
    • Douglas A. WicksSergey SelifonovMarc Davis Scholten
    • C07D317/24C07D319/06
    • 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; R1 is a linear alkyl, aryl, arylalkylene, or branched alkyl group with 1-18 carbon atoms; R2 and R5 can be hydrogen, C1-6 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 R2 and R4 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 R2 and R5 is hydrogen; R3 is a linear alkyl or branched alkyl group with 1-18 carbon atoms; and R4 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。