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    • 2. 发明申请
    • METHODS FOR PRODUCING PHENYLALANINE DERIVATIVES HAVING A QUINAZOLINEDIONE SKELETON AND INTERMEDIATES FOR PRODUCTION THEREOF
    • 用于生产具有四氮唑烷酮的苯乙烯胺衍生物的方法及其生产中间体
    • US20100204505A1
    • 2010-08-12
    • US12766178
    • 2010-04-23
    • Noriyasu KataokaAkinori TataraMasanobu YatagaiJunko Yamanaka
    • Noriyasu KataokaAkinori TataraMasanobu YatagaiJunko Yamanaka
    • C07C229/52
    • C07D239/96C07C233/87
    • The present invention provides a method for producing a phenylalanine derivative(s) having a quinazolinedione ring of formula (5), including steps comprising of reacting an acylphenylalanine derivative(s) of formula (1) with a carbonyl group-introducing reagent(s) and a derivative(s) of anthranilic acid to form an asymmetric urea intermediate(s); making the asymmetric urea intermediate(s) into a quinazolinedione compound(s) of formula (4) in the presence of a base(s); and N-alkylating quinazolinedione ring amide of the obtained quinazolinedione compounds with N-alkylation agents. This production method is an industrially applicable method for producing phenylalanine derivatives having a quinazolinedione skeleton, which are compounds highly useful as drugs having α 4 integrin inhibiting activity. In the formulae (1) and (5), R1 represents a phenyl group having a substituent(s) and the like, R2 represents an alkyl group and the like, R3 represents a dialkylamino group and the like, and R4 represents an alkyl group and the like.
    • 本发明提供了具有式(5)喹唑啉二酮环的苯丙氨酸衍生物的制备方法,包括使式(1)的酰基苯丙氨酸衍生物与羰基引入试剂反应的步骤, 和邻氨基苯甲酸的衍生物以形成不对称脲中间体; 在碱的存在下使不对称脲中间体转化为式(4)的喹唑啉二酮化合物; 和得到的喹唑啉二酮化合物的N-烷基化喹唑啉二酮环酰胺与N-烷基化剂。 该制造方法是用于生产具有喹唑啉二酮骨架的苯丙氨酸衍生物的工业上适用的方法,其是作为具有α4整联蛋白抑制活性的药物高度有用的化合物。 在式(1)和(5)中,R 1表示具有取代基等的苯基,R 2表示烷基等,R 3表示二烷基氨基等,R 4表示烷基 等等。
    • 4. 发明授权
    • Methods for producing phenylalanine derivatives having a quinazolinedione skeleton and intermediates for production thereof
    • 具有喹唑啉二酮骨架的苯丙氨酸衍生物的制造方法及其制造用中间体
    • US08318975B2
    • 2012-11-27
    • US12766178
    • 2010-04-23
    • Noriyasu KataokaAkinori TataraMasanobu YatagaiJunko Yamanaka
    • Noriyasu KataokaAkinori TataraMasanobu YatagaiJunko Yamanaka
    • C07C63/04
    • C07D239/96C07C233/87
    • The present invention provides a method for producing a phenylalanine derivative(s) having a quinazolinedione ring of formula (5), including steps comprising of reacting an acylphenylalanine derivative(s) of formula (1) with a carbonyl group-introducing reagent(s) and a derivative(s) of anthranilic acid to form an asymmetric urea intermediate(s); making the asymmetric urea intermediate(s) into a quinazolinedione compound(s) of formula (4) in the presence of a base(s); and N-alkylating quinazolinedione ring amide of the obtained quinazolinedione compounds with N-alkylation agents. This production method is an industrially applicable method for producing phenylalanine derivatives having a quinazolinedione skeleton, which are compounds highly useful as drugs having α 4 integrin inhibiting activity. In the formulae (1) and (5), R1 represents a phenyl group having a substituent(s) and the like, R2 represents an alkyl group and the like, R3 represents a dialkylamino group and the like, and R4 represents an alkyl group and the like.
    • 本发明提供了具有式(5)喹唑啉二酮环的苯丙氨酸衍生物的制备方法,包括使式(1)的酰基苯丙氨酸衍生物与羰基引入试剂反应的步骤, 和邻氨基苯甲酸的衍生物以形成不对称脲中间体; 在碱的存在下使不对称脲中间体转化为式(4)的喹唑啉二酮化合物; 和得到的喹唑啉二酮化合物的N-烷基化喹唑啉二酮环酰胺与N-烷基化剂。 该制造方法是用于生产具有喹唑啉二酮骨架的苯丙氨酸衍生物的工业上适用的方法,其是作为具有α4整联蛋白抑制活性的药物高度有用的化合物。 在式(1)和(5)中,R 1表示具有取代基等的苯基,R 2表示烷基等,R 3表示二烷基氨基等,R 4表示烷基 等等。
    • 5. 发明授权
    • Methods for producing phenylalanine derivatives having a quinazolinedione skeleton and intermediates for production thereof
    • 具有喹唑啉二酮骨架的苯丙氨酸衍生物的制造方法及其制造用中间体
    • US07737274B2
    • 2010-06-15
    • US11207751
    • 2005-08-22
    • Noriyasu KataokaAkinori TataraMasanobu YatagaiJunko Yamanaka
    • Noriyasu KataokaAkinori TataraMasanobu YatagaiJunko Yamanaka
    • A61K31/517C07D239/80C07D239/88C07C61/08C07C63/06C07C229/56
    • C07D239/96C07C233/87
    • The present invention provides a method for producing a phenylalanine derivative(s) having a quinazolinedione ring of formula (5), including steps comprising of reacting an acylphenylalanine derivative(s) of formula (1) with a carbonyl group-introducing reagent(s) and a derivative(s) of anthranilic acid to form an asymmetric urea intermediate(s); making the asymmetric urea intermediate(s) into a quinazolinedione compound(s) of formula (4) in the presence of a base(s); and N-alkylating quinazolinedione ring amide of the obtained quinazolinedione compounds with N-alkylation agents. This production method is an industrially applicable method for producing phenylalanine derivatives having a quinazolinedione skeleton, which are compounds highly useful as drugs having α 4 integrin inhibiting activity. In the formulae (1) and (5), R1 represents a phenyl group having a substituent(s) and the like, R2 represents an alkyl group and the like, R3 represents a dialkylamino group and the like, and R4 represents an alkyl group and the like.
    • 本发明提供了具有式(5)喹唑啉二酮环的苯丙氨酸衍生物的制备方法,包括使式(1)的酰基苯丙氨酸衍生物与羰基引入试剂反应的步骤, 和邻氨基苯甲酸的衍生物以形成不对称脲中间体; 在碱的存在下使不对称脲中间体转化为式(4)的喹唑啉二酮化合物; 和得到的喹唑啉二酮化合物的N-烷基化喹唑啉二酮环酰胺与N-烷基化剂。 该制造方法是用于生产具有喹唑啉二酮骨架的苯丙氨酸衍生物的工业上适用的方法,其是作为具有α4整联蛋白抑制活性的药物高度有用的化合物。 在式(1)和(5)中,R 1表示具有取代基等的苯基,R 2表示烷基等,R 3表示二烷基氨基等,R 4表示烷基 等等。
    • 6. 发明申请
    • Methods for producing phenylalanine derivatives having a quinazolinedione skeleton and intermediates for production thereof
    • 具有喹唑啉二酮骨架的苯丙氨酸衍生物的制造方法及其制造用中间体
    • US20060009476A1
    • 2006-01-12
    • US11207751
    • 2005-08-22
    • Noriyasu KataokaAkinori TataraMasanobu YatagaiJunko Yamanaka
    • Noriyasu KataokaAkinori TataraMasanobu YatagaiJunko Yamanaka
    • A61K31/517C07D239/91
    • C07D239/96C07C233/87
    • The present invention provides a method for producing a phenylalanine derivative(s) having a quinazolinedione ring of formula (5), including steps comprising of reacting an acylphenylalanine derivative(s) of formula (1) with a carbonyl group-introducing reagent(s) and a derivative(s) of anthranilic acid to form an asymmetric urea intermediate(s); making the asymmetric urea intermediate(s) into a quinazolinedione compound(s) of formula (4) in the presence of a base(s); and N-alkylating quinazolinedione ring amide of the obtained quinazolinedione compounds with N-alkylation agents. This production method is an industrially applicable method for producing phenylalanine derivatives having a quinazolinedione skeleton, which are compounds highly useful as drugs having α 4 integrin inhibiting activity. In the formulae (1) and (5), R1 represents a phenyl group having a substituent(s) and the like, R2 represents an alkyl group and the like, R3 represents a dialkylamino group and the like, and R4 represents an alkyl group and the like.
    • 本发明提供了具有式(5)喹唑啉二酮环的苯丙氨酸衍生物的制备方法,包括使式(1)的酰基苯丙氨酸衍生物与羰基引入试剂反应的步骤, 和邻氨基苯甲酸的衍生物以形成不对称脲中间体; 在碱的存在下使不对称脲中间体转化为式(4)的喹唑啉二酮化合物; 和得到的喹唑啉二酮化合物的N-烷基化喹唑啉二酮环酰胺与N-烷基化剂。 该制造方法是用于生产具有喹唑啉二酮骨架的苯丙氨酸衍生物的工业上适用的方法,其是作为具有α4整联蛋白抑制活性的药物高度有用的化合物。 在式(1)和(5)中,R 1表示具有取代基等的苯基,R 2表示烷基等,R 3表示二烷基氨基等,R 4表示烷基 等等。