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    11.
    发明专利
    未知

    公开(公告)号：PT994112E

    公开(公告)日：2002-12-31

    申请号：PT99117240

    申请日：1999-09-02

    Applicant: BASF AG

    Inventor： HARTMANN HORST ,  NORBERT GOTZ DR ,  KONIG HARTMANN ,  MAYWALD VOLKER ,  REISSENWEBER GERNOT

    IPC: C07D307/33 ,  C07D407/04

    Abstract: Separation of impurities from 3-(2'-acetoxyethyl)-dihydro-2(3H)-furanone (I) obtained by acetylation of 3-(2'-hydroxyethyl)-dihydro-2(3H)-furanone comprises first separating high boiling impurities and subjecting the recovered distillation head product to a further step in which light and medium boiling components are taken off at the head and recovering pure (I) as the sump product.

    SUSPENSIONES OLEOSAS CONCENTRADAS A BASE DE UNA SAL DE LITIO DE CICLOHEXENONOXIMETER Y SU USO COMO PRODUCTOS FITOSANITARIOS
    12.
    发明专利
    SUSPENSIONES OLEOSAS CONCENTRADAS A BASE DE UNA SAL DE LITIO DE CICLOHEXENONOXIMETER Y SU USO COMO PRODUCTOS FITOSANITARIOS 未知

    公开(公告)号：DOP2001000246A

    公开(公告)日：2002-09-15

    申请号：DO2001000246

    申请日：2001-09-12

    Applicant: BASF AG

    Inventor： KOBER REINER ,  BERGHAUS RAINER ,  KROHL THOMAS ,  ZIEGLER HANS ,  MAYWALD VOLKER

    IPC: A01N25/04 ,  A01N25/30 ,  A01N43/18

    Abstract: La presente invención se refiere a suspensiones oleosas concentradas a base de sal de litio de 2- {1 - [2-(4 clorofenoxi)- propoxiimino]-butil} - 3 - hidroxi - 5 - tetrahidrotiopiran - 3 - il - cicloliex - 2 - enona y excipientes de forrnulación deterrninados, así como al uso de las suspensiones oleosas concentradas corno productos fitosanitarios y sobre todo como herbicidas para el arroz. Los excipientes de fornu1ación preferidos son ésteres de ácido mono y/o dicarboxílìco, por ejeinplo ésteres de ácidos grasos líquidos, sustancias tensioactivas aniónicas del tipo sulfonato, por ejemplo alquil y alquilarilsulfonatos, así como sulfosuccinatos, y sustancias tensioactivas no iónicas del tipo de opcionalmente ácidos carboxílicos etoxilados y ésteres de alcoholes mono o polifuncionales, por ejemplo ácidos grasos etoxilados y ésteres de ácido graso de polioxietilensorbitano. Las suspensìones oleosas concentradas descriptas aquí son estables al almacenamiento y presentan excelentes propiedades de aplicación.

    METHOD FOR PRODUCING 1-SUBSTITUTED 5- OR 3-HYDROXYPYRAZOLES
    13.
    发明专利
    METHOD FOR PRODUCING 1-SUBSTITUTED 5- OR 3-HYDROXYPYRAZOLES 未知

    公开(公告)号：HU0104504A2

    公开(公告)日：2002-03-28

    申请号：HU0104504

    申请日：1999-11-06

    Applicant: BASF AG

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

    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- OR 3-HYDROXYPYRAZOLES
    15.
    发明专利
    METHOD FOR PRODUCING 1-SUBSTITUTED 5- OR 3-HYDROXYPYRAZOLES 未知

    公开(公告)号：SK6792001A3

    公开(公告)日：2001-11-06

    申请号：SK6792001

    申请日：1999-11-06

    Applicant: BASF AG

    Inventor： MAYWALD VOLKER ,  STEINMETZ ADRIAN ,  RACK MICHAEL ,  GOTZ NORBERT ,  GOTZ 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.

    16.
    发明专利
    未知

    公开(公告)号：NO20012470D0

    公开(公告)日：2001-05-18

    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 ,  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.

    18.
    发明专利
    未知

    公开(公告)号：DK0788475T3

    公开(公告)日：1999-12-20

    申请号：DK95917966

    申请日：1995-04-26

    Applicant: BASF AG

    Inventor： HARREUS ALBRECHT ,  MAYWALD VOLKER ,  RANG HARALD ,  GITZ NORBERT ,  BORCHERS DIRK ,  HARTMANN HORST ,  HEIMANN FRANK ,  BUSCHULTE THOMAS

    IPC: B01J23/02 ,  B01J31/02 ,  C07B61/00 ,  C07C239/20 ,  C07C249/12 ,  C07C251/54 ,  C07C309/66

    Abstract: PCT No. PCT/EP95/01581 Sec. 371 Date Nov. 4, 1996 Sec. 102(e) Date Nov. 4, 1996 PCT Filed Apr. 26, 1995 PCT Pub. No. WO95/30648 PCT Pub. Date Nov. 16, 1995Preparation of mixtures of O-phenoxyalkylhydroxylamines Ia and Ib (Ia): H2NOCH2CH(R1)OAr (Ib): H2NOCH(R1)CH2OAr and the corresponding salt mixtures by a) converting mixtures of isomers of O-(2-hydroxyethyl)oximes IIa and IIb (IIa): (III): into a mixture of sulfonates IVa and IVb (IVa): (IVb): b) reacting this mixture of IVa and IVb with a phenol HO-Ar (V) to give a mixture of O-phenoxyalkoximes VIa and VIb (VIa): (VIb): c) hydrolyzing this mixture in the presence of an acid and, if desired d) liberating the O-phenoxyalkylhydroxylamines Ia and Ib from the resulting salts using a mineral acid. Compounds Ia/Ib and VIa/VIb are important intermediates for crop protection agents.

    19.
    发明专利
    未知

    公开(公告)号：DE59309854D1

    公开(公告)日：1999-12-02

    申请号：DE59309854

    申请日：1993-12-17

    Applicant: BASF AG

    Inventor： HARREUS ALBRECHT ,  GOETZ NORBER ,  MAYWALD VOLKER ,  RANG HARALD ,  MISSLITZ ULF ,  KLEIN ULRICH

    IPC: C07C239/20 ,  C07C251/54 ,  C07C253/30 ,  C07C255/54 ,  C07C259/06

    Abstract: PCT No. PCT/EP93/03597 Sec. 371 Date Jun. 6, 1995 Sec. 102(e) Date Jun. 6, 1995 PCT Filed Dec. 17, 1993 PCT Pub. No. WO94/14757 PCT Pub. Date Jul. 7, 1994Hydroxylamine ethers I I (where X is NO2, CN, halogen, alkyl or haloalkyl, Y is H, NO2, CN, halogen, alkyl or haloalkyl, n is 0-2 or 1-4 where Y and all radicals X are halogen and Alk is unsubstituted or substituted alkylene) and their salts with mineral acids or strong organic acids are prepared by reacting either a hydroximino compound II II (where R1 is alkyl, R2 is alkyl or alkoxy or R1+R2 form an alkylene chain) in the presence of an alkali metal hydroxide, alkali metal alcoholate, alkali metal bicarbonate or alkali metal carbonate as the base, or the corresponding anion II directly, with an alkylating agent III III (where R3 is unsubstituted or substituted alkyl or unsubstituted or substituted phenyl) to give an oximino derivative IV IV said derivative is cleaved by means of a mineral acid or a strong organic acid to give the salt of I and, if desired, the latter is converted by means of a base into the free compound I. The hydroxylamine ethers I are intermediates for crop protection agents and drugs.

    20.
    发明专利
    未知

    公开(公告)号：AT185793T

    公开(公告)日：1999-11-15

    申请号：AT95917966

    申请日：1995-04-26

    Applicant: BASF AG

    Inventor： RANG HARALD ,  GOETZ NORBERT ,  HARREUS ALBRECHT ,  BORCHERS DIRK ,  HARTMANN HORST ,  MAYWALD VOLKER ,  HEIMANN FRANK ,  BUSCHULTE THOMAS

    IPC: B01J23/02 ,  B01J31/02 ,  C07B61/00 ,  C07C239/20 ,  C07C249/12 ,  C07C251/54 ,  C07C309/66

    Abstract: PCT No. PCT/EP95/01581 Sec. 371 Date Nov. 4, 1996 Sec. 102(e) Date Nov. 4, 1996 PCT Filed Apr. 26, 1995 PCT Pub. No. WO95/30648 PCT Pub. Date Nov. 16, 1995Preparation of mixtures of O-phenoxyalkylhydroxylamines Ia and Ib (Ia): H2NOCH2CH(R1)OAr (Ib): H2NOCH(R1)CH2OAr and the corresponding salt mixtures by a) converting mixtures of isomers of O-(2-hydroxyethyl)oximes IIa and IIb (IIa): (III): into a mixture of sulfonates IVa and IVb (IVa): (IVb): b) reacting this mixture of IVa and IVb with a phenol HO-Ar (V) to give a mixture of O-phenoxyalkoximes VIa and VIb (VIa): (VIb): c) hydrolyzing this mixture in the presence of an acid and, if desired d) liberating the O-phenoxyalkylhydroxylamines Ia and Ib from the resulting salts using a mineral acid. Compounds Ia/Ib and VIa/VIb are important intermediates for crop protection agents.

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