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    Método para producir un compuesto de sulfonamida N-sustituida
    21.
    发明专利
    Método para producir un compuesto de sulfonamida N-sustituida 未知

    公开(公告)号：ES2891083T3

    公开(公告)日：2022-01-26

    申请号：ES15807453

    申请日：2015-06-10

    Applicant: UBE INDUSTRIES

    Inventor： YAMAMOTO YASUHITO ,  OUE MASAYOSHI ,  WADA YUKINORI

    IPC: C07D401/14

    Abstract: Método para producir compuestos de sulfonamida N-sustituida, que comprende una etapa de hacer reaccionar un compuesto de sulfonamida de la fórmula general (4): **(Ver fórmula)** en la que R1a es un grupo alquilo, alquenilo, alquinilo, cicloalquilo, arilo, heteroarilo, aralquilo o heteroarilalquilo opcionalmente sustituido y R4 es un grupo arilo o heteroarilo opcionalmente sustituido, con un compuesto orgánico halogenado de la fórmula general (5): **(Ver fórmula)** en la que R5 es un grupo alquilo y X1 es un átomo de halógeno, en presencia de carbonato de cesio o carbonato de potasio en un disolvente orgánico para producir un compuesto de sulfonamida N-sustituida de la fórmula general (6): **(Ver fórmula)** en la que R1a, R4 y R5 son los mismos tal como se definieron anteriormente.

    23.
    发明专利
    未知

    公开(公告)号：DE60102120D1

    公开(公告)日：2004-04-01

    申请号：DE60102120

    申请日：2001-11-15

    Applicant: UBE INDUSTRIES

    Inventor： MIYATA HIROYUKI ,  HONMA TAKASHI ,  YAMAMOTO YASUHITO ,  ATAKA KIKUO

    IPC: C07B61/00 ,  C07D498/04

    Abstract: The present invention provides a novel 7a-alkoxy-4H-pyrano-Ä3,2-dÜ-oxazol-2(3H)-one represented by the formula (I): wherein R and R each represent a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or an aralkyl group; R represents an alkyl group, a cycloalkyl group, an alkenyl group, an aryl group or an aralkyl group, provided that a 2-alkenyl group is excluded from the alkenyl group of R ; and R represents an alkyl group, an aryl group, an alkoxycarbonyl group or a cyano group, and a process for producing the same which comprises reacting 5-alkoxy-2(3H)-oxazolone with an alpha , beta -unsaturated ketone in the presence of a Lewis acid in a solvent.

    24.
    发明专利
    未知

    公开(公告)号：DE69526443T2

    公开(公告)日：2002-12-12

    申请号：DE69526443

    申请日：1995-10-04

    Applicant: UBE INDUSTRIES

    Inventor： ATAKA KIKUO ,  MIYATA HIROYUKI ,  KONO MASAHIKO ,  YOKOTA NAOYUYKI ,  YAMAMOTO YASUHITO

    IPC: C07F7/18 ,  C07D495/04

    Abstract: The present invention relates to a 2-silyloxy-4,5,6,7-tetrahydrothienoÄ3,2-cÜpyridine represented by the formula (I): wherein R , R and R each independently represent an alkyl group having 1 to 10 carbon atoms or an aryl group, and a salt thereof and a process for preparing the same, and a 5-alkyl-2-silyloxy-4,5,6,7-tetrahydrothienoÄ3,2-cÜ-pyridine represented by the formula (IV): wherein R , R and R represent the same meanings as described above; R represents a hydrogen atom, an alkoxycarbonyl group having 2 to 10 carbon atoms, an acyl group having 2 to 10 carbon atoms or a cycloalkylcarbonyl group having 4 to 10 carbon atoms; and R represents a halogen atom, an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms, which is useful as a synthetic intermediate of an antiplatelet medicine and an elastase inhibitor, etc., and a process for preparing the same.

    METHOD FOR PRODUCING HETEROAROMATIC SULFONAMIDE COMPOUND
    26.
    发明专利
    METHOD FOR PRODUCING HETEROAROMATIC SULFONAMIDE COMPOUND 未知

    公开(公告)号：CA2951790C

    公开(公告)日：2022-05-31

    申请号：CA2951790

    申请日：2015-06-10

    Applicant: UBE INDUSTRIES

    Inventor： YAMAMOTO YASUHITO ,  OUE MASAYOSHI ,  HAGIHARA MASAHIKO ,  WADA YUKINORI ,  MIZUNO GEN ,  TSUZAKI YASUNORI ,  ARAI KENICHI

    IPC: C07D213/70 ,  C07D213/71 ,  C07D401/12

    Abstract: (4) The present invention provides: a method for producing a sulfonamide compound of the general formula (4) obtained by reacting an amine compound of the general formula (3) with a mixed sulfonic acid anhydride of the general formula (1); (1) (3) (2) wherein the mixed sulfonic acid anhydride of the general formula (l) is produced by reacting a sulfonic acid compound of the general formula (2) with a perfluoroalkyl sulfonic acid anhydride or a perfluoroalkyl sulfonic acid halide; R1 is a heteroaryl group which may have a substituent; R2 is an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aryl group, a heteroaryl group, an aralkyl group or a heteroarylalkyl group, which may have a substituent, and R3 is a perfluoroalkyl group. Heteroaromatic sulfonamide compounds are useful as an intermediate in medicinal and agrochemical products.

    30.
    发明专利
    未知

    公开(公告)号：DE60102120T2

    公开(公告)日：2004-12-02

    申请号：DE60102120

    申请日：2001-11-15

    Applicant: UBE INDUSTRIES

    Inventor： MIYATA HIROYUKI ,  HONMA TAKASHI ,  YAMAMOTO YASUHITO ,  ATAKA KIKUO

    IPC: C07B61/00 ,  C07D498/04

    Abstract: The present invention provides a novel 7a-alkoxy-4H-pyrano-Ä3,2-dÜ-oxazol-2(3H)-one represented by the formula (I): wherein R and R each represent a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or an aralkyl group; R represents an alkyl group, a cycloalkyl group, an alkenyl group, an aryl group or an aralkyl group, provided that a 2-alkenyl group is excluded from the alkenyl group of R ; and R represents an alkyl group, an aryl group, an alkoxycarbonyl group or a cyano group, and a process for producing the same which comprises reacting 5-alkoxy-2(3H)-oxazolone with an alpha , beta -unsaturated ketone in the presence of a Lewis acid in a solvent.

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