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    Zpusob prípravy 1-substituovaných 5-nebo 3-hydroxypyrazolu
    111.
    发明专利
    Zpusob prípravy 1-substituovaných 5-nebo 3-hydroxypyrazolu 未知

    公开(公告)号：CZ301828B6

    公开(公告)日：2010-07-07

    申请号：CZ20011713

    申请日：1999-11-06

    Applicant: BASF AG

    Inventor： MAYWALD VOLKER ,  STEINMETZ ADRIAN ,  RACK MICHAEL ,  GOETZ NORBERT ,  GOETZ ROLAND ,  HENKELMANN JOCHEM ,  BECKER HEIKE ,  BAYETO JUAN JOSE AISCAR

    IPC: C07D231/20

    Abstract: Je popsán zpusob prípravy 1-substituovaných 5- a/nebo 3-hydroxypyrazolu vzorcu I a II, který zahrnuje reakci (a) alkylvinyletheru vzorce V, s fosgenem vzorce VIa, "difosgenem" vzorce VIb nebo "trifosgenem" vzorce VIc za vzniku acylchloridu vzorce VII, (b) jeho konverzi na odpovídající 3-alkoxyakryloylchlorid vzorce VIII odstranením chlorovodíku a (c) esterifikaci tohoto produktu alkoholem vzorce IX, za vzniku odpovídajícího alkyl-3-alkoxyakrylatu vzorce III, a reakci tohoto alkyl-3-alkoxyakrylatu vzorce III s hydrazinem vzorce IV, (d) pri pH 6 až 11 za vzniku 5-hydroxypyrazolu vzorce I nebo (e) pri pH 11 až 14 za vzniku 3-hydroxypyrazolu vzorce II. Význam všech substituentu je uveden v popise.

    METHOD FOR PRODUCING 1-SUBSTITUTED 5- OR 3-HYDROXYPYRAZOLES
    113.
    发明专利
    METHOD FOR PRODUCING 1-SUBSTITUTED 5- OR 3-HYDROXYPYRAZOLES 未知

    公开(公告)号：CA2351370C

    公开(公告)日：2008-03-11

    申请号：CA2351370

    申请日：1999-11-06

    Applicant: BASF AG

    Inventor： HENKELMANN JOCHEM ,  GOTZ NORBERT ,  RACK MICHAEL ,  BECKER HEIKE ,  AISCAR BAYETO JUAN JOSE ,  STEINMETZ ADRIAN ,  GOTZ ROLAND ,  MAYWALD VOLKER

    IPC: C07D231/20

    Abstract: The invention relates to a method for producing 1-substituted 5- and/or 3- hydroxypyrazoles of formulas (I) and (II), wherein R1 represents C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkinyl, C3-C6-cycloalkyl or C1 - C4-alkoxy, whereby these groups can be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbony l or a cyclic ring system with 3-14 ring atoms, by reacting a 3-alkoxyacrylic acid alkyl ester of formula (III), wherein R2, R3 independently mean C1-C6-alkyl or C3-C6-cycloalky, with a hydrazine of formula (IV), wherein R1 has the above cited meaning, a) at a pH value of 6- 11 to form 5-hydroxypyrazoles of formula (I), or b) at a pH value of 11-14 to form 3-hydroxypyrazoles of formula (II).

    СПОСОБ ПОЛУЧЕНИЯ БЕНЗОФЕНОНОВ
    114.
    发明专利
    СПОСОБ ПОЛУЧЕНИЯ БЕНЗОФЕНОНОВ 未知

    公开(公告)号：EA008040B1

    公开(公告)日：2007-02-27

    申请号：EA200500897

    申请日：2003-12-01

    Applicant: BASF AG

    Inventor： MAYWALD VOLKER ,  HOFFMAN NICO ,  KEIL MICHAEL ,  VOGELBACHER UWE JOSEF ,  WEVERS JAN HENDRICK

    IPC: C07C45/46 ,  C07C45/81 ,  C07C49/84 ,  C07C51/363 ,  C07C51/60

    Abstract: Изобретениеотноситсяк способуполучениябензофеноновформулы IвкоторойХ можетозначатьхлор, гидрокси, метоксиили C-С-алкилкарбонилоксии Y можетозначатьхлорилибром, взаимодействиемхлорангидридакислотыформулы IIвкоторойХ и Y имеютвышеприведенноезначение, с 3,4,5-триметокситолуолом, причемреакциюпроводятв присутствии a) ароматическогоуглеводородав качестверазбавителяи разбавительвыбранизгруппы, включающейхлорбензол, бензотрифториди нитробензол, и b) 0,01 до 0,2 мол.% железногокатализаторав пересчетенахлорангидридкислоты, c) притемпературе, лежащеймежду 60°Си точкойкипениясоответствующегоразбавителя.

    METHOD FOR PRODUCING 1-SUBSTITUTED 5- AND/OR 3-HYDROXYPYRAZOLES
    115.
    发明专利
    METHOD FOR PRODUCING 1-SUBSTITUTED 5- AND/OR 3-HYDROXYPYRAZOLES 未知

    公开(公告)号：HU224721B1

    公开(公告)日：2006-01-30

    申请号：HU0104504

    申请日：1999-11-06

    Applicant: BASF AG

    Inventor： MAYWALD VOLKER ,  STEINMETZ ADRIAN ,  RACK MICHAEL ,  GOETZ NORBERT ,  GOETZ ROLAND ,  HENKELMANN JOCHEM ,  BECKER HEIKE ,  AISCAR BAYETO JUAN JOSE

    IPC: C07D231/20

    Abstract: The invention relates to a process for preparing 1-substituted 5- and/or 3-hydroxypyrazoles of the formulae I and IIin which R1 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C6-cycloalkyl or C1-C4-alkoxy, where these groups may be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or by a cyclic ring system having 3-14 ring atoms, which comprises reactingan alkyl 3-alkoxyacrylate of the formula IIIin which R2, R3 independently of one another are C1-C6-alkyl or C3-C6-cycloalkyl with a hydrazine of the formula IVin which R1 is as defined abovea) at a pH of 6-11 to give 5-hydroxypyrazoles of the formula I orb) at a pH of 11-14 to give 3-hydroxypyrazoles of the formula II.

    Method for producing 1-substituted 5- of 3-hydroxypyrazoles.
    118.
    发明专利
    Method for producing 1-substituted 5- of 3-hydroxypyrazoles. 未知

    公开(公告)号：ZA200104961B

    公开(公告)日：2002-06-18

    申请号：ZA200104961

    申请日：2001-06-18

    Applicant: BASF AG

    Inventor： MAYWALD VOLKER ,  STEINMETZ ADRIAN ,  RACK MICHAEL ,  GOETZ NORBERT ,  GOETZ ROLAND ,  HENKELMANN JOCHEM ,  BECKER HEICKE ,  JOSE AISCAR BAYETO JUAN

    IPC: C07D231/20 ,  C07D

    Abstract: The invention relates to a process for preparing 1-substituted 5- and/or 3-hydroxypyrazoles of the formulae I and IIin which R1 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C6-cycloalkyl or C1-C4-alkoxy, where these groups may be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or by a cyclic ring system having 3-14 ring atoms, which comprises reactingan alkyl 3-alkoxyacrylate of the formula IIIin which R2, R3 independently of one another are C1-C6-alkyl or C3-C6-cycloalkyl with a hydrazine of the formula IVin which R1 is as defined abovea) at a pH of 6-11 to give 5-hydroxypyrazoles of the formula I orb) at a pH of 11-14 to give 3-hydroxypyrazoles of the formula II.

    119.
    发明专利
    未知

    公开(公告)号：NO20012470L

    公开(公告)日：2001-05-21

    申请号：NO20012470

    申请日：2001-05-18

    Applicant: BASF AG

    Inventor： MAYWALD VOLKER ,  STEINMETZ ADRIAN ,  RACK MICHAEL ,  GOETZ NORBERT ,  GOETZ ROLAND ,  HENKELMANN JOCHEM ,  BECKER HEIKE ,  BAYETO JUAN JOSE AISCAR

    IPC: C07D231/20

    Abstract: The invention relates to a process for preparing 1-substituted 5- and/or 3-hydroxypyrazoles of the formulae I and IIin which R1 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C6-cycloalkyl or C1-C4-alkoxy, where these groups may be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or by a cyclic ring system having 3-14 ring atoms, which comprises reactingan alkyl 3-alkoxyacrylate of the formula IIIin which R2, R3 independently of one another are C1-C6-alkyl or C3-C6-cycloalkyl with a hydrazine of the formula IVin which R1 is as defined abovea) at a pH of 6-11 to give 5-hydroxypyrazoles of the formula I orb) at a pH of 11-14 to give 3-hydroxypyrazoles of the formula II.

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