AR220314A1 - Composicion herbicida en base a derivados de acido(3-carboxi-propil-1)-metil fosfinico - Google Patents

Composicion herbicida en base a derivados de acido(3-carboxi-propil-1)-metil fosfinico

Info

Publication number
AR220314A1
AR220314A1 AR267641A AR26764177A AR220314A1 AR 220314 A1 AR220314 A1 AR 220314A1 AR 267641 A AR267641 A AR 267641A AR 26764177 A AR26764177 A AR 26764177A AR 220314 A1 AR220314 A1 AR 220314A1
Authority
AR
Argentina
Prior art keywords
phyphosphine
propil
carboxi
methyl
acid derivatives
Prior art date
Application number
AR267641A
Other languages
English (en)
Spanish (es)
Original Assignee
Hoechst Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of AR220314A1 publication Critical patent/AR220314A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/28Phosphorus compounds with one or more P—C bonds
    • C07F9/30Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
    • C07F9/301Acyclic saturated acids which can have further substituents on alkyl

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
AR267641A 1976-05-17 1977-05-16 Composicion herbicida en base a derivados de acido(3-carboxi-propil-1)-metil fosfinico AR220314A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH615376 1976-05-17

Publications (1)

Publication Number Publication Date
AR220314A1 true AR220314A1 (es) 1980-10-31

Family

ID=4305116

Family Applications (1)

Application Number Title Priority Date Filing Date
AR267641A AR220314A1 (es) 1976-05-17 1977-05-16 Composicion herbicida en base a derivados de acido(3-carboxi-propil-1)-metil fosfinico

Country Status (28)

Country Link
US (1) US4168963A (nl)
JP (1) JPS52139727A (nl)
AR (1) AR220314A1 (nl)
AT (1) AT358315B (nl)
AU (1) AU506817B2 (nl)
BE (1) BE854753A (nl)
BR (1) BR7703155A (nl)
CA (1) CA1120052A (nl)
CS (1) CS207456B1 (nl)
DD (1) DD130094A5 (nl)
DE (1) DE2717440C2 (nl)
DK (1) DK142441B (nl)
FR (1) FR2351598A1 (nl)
GB (1) GB1587292A (nl)
GR (1) GR71675B (nl)
HU (1) HU185003B (nl)
IL (1) IL52098A (nl)
IT (1) IT1143658B (nl)
KE (1) KE3264A (nl)
NL (1) NL179866C (nl)
NZ (1) NZ184101A (nl)
OA (1) OA05664A (nl)
PH (1) PH13253A (nl)
PL (1) PL103386B1 (nl)
PT (1) PT66555B (nl)
SE (1) SE439416B (nl)
SU (1) SU659069A3 (nl)
ZA (1) ZA772828B (nl)

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484529A (en) * 1977-12-19 1979-07-05 Meiji Seika Kaisha Ltd Production of d,l-2-amino-4-methylphosphinobutyric acid
GB2011416B (en) * 1977-12-28 1982-10-20 Meiji Seika Kaisha Herbicidal compositions
JPS5492627A (en) * 1977-12-28 1979-07-23 Meiji Seika Kaisha Ltd Herbicidal composition
US4226610A (en) * 1978-04-15 1980-10-07 Meiji Selka Kaisha, Ltd. Herbicidal compounds, preparation thereof and herbicides containing the same
WO1979001114A1 (en) * 1978-05-25 1979-12-13 Meiji Seika Kaisha Dialkyl 4-methylphosphinobutyrates and process for producing same
DE2839087A1 (de) * 1978-09-08 1980-03-20 Hoechst Ag Herbizide mittel
EP0010067B1 (en) * 1978-10-05 1983-08-31 Ciba-Geigy Ag Process for influencing plant growth
DE2849003A1 (de) * 1978-11-11 1980-08-21 Hoechst Ag Phosphorhaltige cyanhydrinderivate und verfahren zu ihrer herstellung
DE3070229D1 (en) * 1979-12-08 1985-03-28 Fbc Ltd Derivatives of 4-(methylphosphinyl)-2-oxobutanoic acid, herbicidal compositions containing them, and intermediates and methods for their production
DE3008186A1 (de) * 1980-03-04 1981-10-15 Hoechst Ag, 6000 Frankfurt Synergistische kombinationen von phosphinothricin
DE3035554A1 (de) * 1980-09-20 1982-05-06 Hoechst Ag, 6000 Frankfurt Herbizide mittel
US4466913A (en) * 1981-06-30 1984-08-21 Maiji Seika Kaisha Ltd. Phosphorus-containing compounds and process for producing the same
US4477391A (en) * 1981-08-14 1984-10-16 Collins James F Amino acid isomers, their production and their medicinal use
ZA828650B (en) * 1981-12-01 1983-09-28 Hunt Chem Corp Philip A Herbicidal compositions and method using phosphonalkanoic acids, esters and salts thereof
DE3238958A1 (de) * 1982-09-10 1984-03-15 Hoechst Ag, 6230 Frankfurt Phosphorhaltige funktionelle essigsaeurederivate, verfahren zu ihrer herstellung und sie enthaltende heribizide und wachstumsregulierende mittel
DE3508573A1 (de) * 1985-03-11 1986-09-11 Hoechst Ag, 6230 Frankfurt Phosphorhaltige (alpha)-aminonitrile und verfahren zu ihrer herstellung
DE3544376A1 (de) * 1985-12-14 1987-06-19 Hoechst Ag Dipeptide mit c-terminalem phosphinothricin, verfahren zu ihrer herstellung und ihre verwendung zur bekaempfung unerwuenschten pflanzenwuchses
EP0412577A1 (de) 1986-05-09 1991-02-13 Hoechst Aktiengesellschaft Herbizide Mittel
JP2615777B2 (ja) 1987-05-26 1997-06-04 日産化学工業株式会社 ホスフィニルアミノ酸誘導体の製造方法
DE3818435A1 (de) * 1988-02-19 1989-08-31 Hoechst Ag Optisch aktive rhodiumkomplexe von 3,4-bis(diarylphosphino)-pyrrolidinen und ihre verwendung zur herstellung von phosphinothricin durch asymmetrische hydrierung
JP2682833B2 (ja) * 1988-03-03 1997-11-26 日産化学工業株式会社 有機燐誘導体及びその製造法
US5491125A (en) * 1988-03-18 1996-02-13 Hoechst Aktiengesellschaft Liquid herbicidal formulations of glufosinate
DE3817191A1 (de) * 1988-05-20 1989-11-30 Hoechst Ag Verfahren zur racemisierung von optisch aktiver d-2-n-phenacetylamino-4- methylphosphinobuttersaeure
US5173103A (en) * 1988-07-05 1992-12-22 Sumitomo Chemical Co., Ltd. Herbicidal composition comprising2-[7-fluoro-3,4-dihydro-3-oxo-4-(2-pyropynyl)-2H-1,4-benzoxazin-6-yl]-4,5,6,7-tetrahydro-1H-isoindole-1,3(2H)-dione and either glufosinate or bialaphos
DE3842025A1 (de) * 1988-12-14 1990-07-05 Hoechst Ag Verfahren zur herstellung von l-phosphinothricin
EP0382114B1 (de) * 1989-02-06 1996-10-23 Hoechst Schering AgrEvo GmbH Phosphinesterhaltige N-Acyl-2-aminosäureamide, Verfahren zu ihrer Herstellung und N-Acyl-2-aminosäurenitrile als Vorprodukte
DE3940573A1 (de) * 1989-12-08 1991-06-13 Hoechst Ag Selektive herbizide mittel
US5739082A (en) * 1990-02-02 1998-04-14 Hoechst Schering Agrevo Gmbh Method of improving the yield of herbicide-resistant crop plants
US5908810A (en) * 1990-02-02 1999-06-01 Hoechst Schering Agrevo Gmbh Method of improving the growth of crop plants which are resistant to glutamine synthetase inhibitors
US5391539A (en) * 1990-06-20 1995-02-21 Ishihara Sangyo Kaisha, Ltd. Herbicidal composition comprising glufosinate and a heterocyclic sulfonylurea herbicide
US5599769A (en) * 1990-11-13 1997-02-04 Hoechst Aktiengesellschaft Synergistic herbicidal compositions comprising glyphosate or glufosinate in combination with a sulfonylurea herbicide
US5308827A (en) * 1990-11-28 1994-05-03 Fumakilla Limited Herbicidal foam composition
IL101539A (en) 1991-04-16 1998-09-24 Monsanto Europe Sa Mono-ammonium salts of the history of N phosphonomethyl glycyl which are not hygroscopes, their preparations and pesticides containing
HU212802B (en) 1991-07-19 1996-11-28 Monsanto Europe Sa Phytoactive sack-like composition containing glyphosate-izopropylamine salt
JP3152991B2 (ja) * 1991-04-27 2001-04-03 ヘキスト・アクチェンゲゼルシャフト 液状除草剤組成物
TW202380B (nl) * 1991-10-16 1993-03-21 Sumitomo Chemical Co
IL104056A (en) * 1991-12-13 1997-02-18 Hoechst Ag Process for the preparation of L-phosphinothricin and its derivatives
JP2920446B2 (ja) * 1992-10-27 1999-07-19 日本農薬株式会社 除草剤組成物及び除草方法
DE4422045A1 (de) * 1994-06-26 1996-01-04 Hoechst Schering Agrevo Gmbh Verfahren zur enzymatischen Spaltung von 2-Amino-4-methylphosphinobutansäureamid-Derivaten
US6066779A (en) * 1997-04-28 2000-05-23 Yan's Heterosis & Herbicide, Inc. Crop heterosis and herbicide
AU6259399A (en) 1998-09-23 2000-04-10 Hampshire Chemical Corp. Sarcosinates as glufosinate adjuvants
DE19919848A1 (de) 1999-04-30 2000-11-02 Aventis Cropscience Gmbh Verfahren zur Herstellung von L-Phosphinothricin durch enzymatische Transaminierung mit Aspartat
AR024781A1 (es) 1999-07-27 2002-10-23 Bayer Ag Agentes herbicidas basados en flufenacet.
WO2006104120A1 (ja) 2005-03-29 2006-10-05 Meiji Seika Kaisha Ltd. L-2-アミノ-4-(ヒドロキシメチルホスフィニル)-ブタン酸の製造法
BRPI0612022B1 (pt) 2005-06-09 2016-12-06 Bayer Cropscience Ag combinações de substâncias ativas, seus usos, processos para combater fungos fitopatogênicos indesejáveis, processo para preparar composições fungicidas, revestimento de semente, e processos para revestir semente e semente transgênica
DE102005026482A1 (de) 2005-06-09 2006-12-14 Bayer Cropscience Ag Wirkstoffkombinationen
CA2662391C (en) 2006-09-04 2015-10-06 Meiji Seika Kaisha, Ltd. Process for production of optically active aminophosphinylbutanoic acids
CN101516898B (zh) 2006-09-20 2013-07-10 明治制果株式会社 含有磷的α-氨基酸的制造方法及其制造中间体
EP2052611A1 (de) 2007-10-24 2009-04-29 Bayer CropScience AG Herbizid-Kombination
DE102008037626A1 (de) 2008-08-14 2010-02-18 Bayer Cropscience Ag Herbizid-Kombination mit Dimethoxytriazinyl-substituierten Difluormethansulfonylaniliden
US8669396B2 (en) 2009-05-18 2014-03-11 Monsanto Technology Llc Recovery of phosphorus values and salt impurities from aqueous waste streams
CA2796158C (en) 2010-04-14 2022-06-14 Strategic Enzyme Applications, Inc. Process for producing phosphinothricin employing nitrilases
US20110287933A1 (en) 2010-05-21 2011-11-24 Bayer Cropscience Ag Herbicidal composition for tolerant or resistant oilseed rape crops
BR112012029616A2 (pt) 2010-05-21 2015-10-20 Bayer Ip Gmbh agentes herbicidas para as culturas de cereais tolerantes ou resistentes
CN103025168A (zh) 2010-05-21 2013-04-03 拜耳知识产权有限责任公司 用于耐受性或抗性玉米栽培种的除草剂
EP2571364A1 (de) 2010-05-21 2013-03-27 Bayer Intellectual Property GmbH Herbizide mittel für tolerante oder resistente reiskulturen
AR083112A1 (es) 2010-10-01 2013-01-30 Syngenta Participations Ag Metodo para controlar enfermedades fitopatogenas y composiciones fungicidas utiles para dicho control
EP2524602A1 (de) 2011-05-20 2012-11-21 Bayer CropScience AG Herbizide Mittel für tolerante oder resistente Sojakulturen
CN103288874B (zh) * 2013-05-15 2015-05-20 山东省农药科学研究院 一种草铵膦及其衍生物的制备方法
US9850263B2 (en) 2014-05-13 2017-12-26 Bayer Cropscience Aktiengesellschaft Process for preparing phosphorus containing cyanohydrins
CU24529B1 (es) * 2015-04-27 2021-06-08 Bayer Cropscience Ag Combinaciones herbicidas que comprenden glufosinato e indaziflam
CA2985395C (en) 2015-05-11 2024-03-12 Bayer Cropscience Aktiengesellschaft Herbicide combinations comprising l-glufosinate and indaziflam
CN108350004B (zh) 2015-09-02 2021-03-12 拜耳作物科学股份公司 含磷氰醇酯的制备方法
CN108026122B (zh) 2015-09-02 2021-03-09 拜耳作物科学股份公司 制备含磷氰醇酯的方法
CN108137628B (zh) 2015-09-02 2020-10-09 拜耳农作物科学股份公司 制备含磷的氰醇酯的方法
KR20180048662A (ko) 2015-09-02 2018-05-10 바이엘 크롭사이언스 악티엔게젤샤프트 인 함유 시아노히드린 에스테르의 제조 방법
ES2754603T3 (es) 2015-09-29 2020-04-20 Basf Se Procedimiento para la preparación de fosfinatos
CN105875633A (zh) * 2016-04-30 2016-08-24 浙江新安化工集团股份有限公司 一种以草铵膦中间体为原料制备固体制剂的方法
WO2018108794A1 (de) 2016-12-15 2018-06-21 Bayer Cropscience Aktiengesellschaft Verfahren zur herstellung von d-glufosinat oder dessen salzen unter verwendung von ephedrin
WO2018108797A1 (de) 2016-12-15 2018-06-21 Bayer Cropscience Aktiengesellschaft Verfahren zur herstellung von l-glufosinat oder dessen salzen unter verwendung von ephedrin
TW201840578A (zh) 2017-02-22 2018-11-16 以色列商亞當阿甘公司 製備甲基膦酸丁基酯的方法
EP3392237B1 (de) 2017-04-21 2019-10-02 Evonik Degussa GmbH Verfahren zur herstellung von acroleincyanhydrinen
EP3655413B1 (de) 2017-07-21 2021-08-11 Basf Se Herstellung von glufosinat durch umsetzung von 3-[n-butoxy(methyl)phosphoryl]-1-cyanopropylacetat zu einer mischung aus n-butyl(3-amino-3-cyanopropyl)-methylphosphinat und (3-amino-3-cyanopropyl)-methylphosphinsäure ammoniumsalz
WO2019020283A1 (en) 2017-07-27 2019-01-31 Basf Se USE OF HERBICIDE COMPOSITIONS BASED ON L-GLUFOSINATE IN TOLERANT FIELD CROPS
BR122023021521A2 (pt) 2017-08-09 2024-03-05 Basf Se Mistura herbicida, composição pesticida e método para controlar vegetação indesejável
CN111479816B (zh) 2017-12-19 2023-10-27 巴斯夫欧洲公司 制备含磷α-氨基腈的方法
MX2022009078A (es) 2020-01-23 2022-08-15 Basf Se Formulaciones de ppo que contienen sulfatos de eter.
US20230091043A1 (en) 2020-01-31 2023-03-23 Basf Se Herbicide Combinations Comprising Glufosinate and Carfentrazone-Ethyl
WO2021151739A1 (en) 2020-01-31 2021-08-05 Basf Se Herbicide combinations comprising glufosinate and pyraflufen-ethyl
US20230067406A1 (en) 2020-01-31 2023-03-02 Basf Se Herbicide Combinations Comprising Glufosinate and Flumioxazin
US20220378042A1 (en) 2020-01-31 2022-12-01 Basf Se Herbicide combinations comprising glufosinate and oxyfluorfen
WO2021151736A1 (en) 2020-01-31 2021-08-05 Basf Se Herbicide combinations comprising glufosinate and fluthiacet-methyl
WO2021151743A1 (en) 2020-01-31 2021-08-05 Basf Se Herbicide combinations comprising glufosinate and trifludimoxazin
WO2021151740A1 (en) 2020-01-31 2021-08-05 Basf Se Herbicide combinations comprising glufosinate and sulfentrazone
WO2021151734A1 (en) 2020-01-31 2021-08-05 Basf Se Herbicide combinations comprising glufosinate and flumiclorac-pentyl
US20230075365A1 (en) 2020-01-31 2023-03-09 Basf Se Herbicide combinations comprising glufosinate and selected ppo inhibitors
US20230091888A1 (en) 2020-01-31 2023-03-23 Basf Se Herbicide combinations comprising glufosinate and selected ppo inhibitors
WO2021151745A1 (en) 2020-01-31 2021-08-05 Basf Se Herbicide combinations comprising glufosinate and oxadiazon
BR112022014950A2 (pt) 2020-01-31 2022-09-20 Basf Se Combinação de herbicidas, composição, métodos de produção de combinações de herbicidas, de controle do crescimento vegetal indesejado e de tratamento ou proteção de plantas e uso da combinação de herbicidas
WO2021151738A1 (en) 2020-01-31 2021-08-05 Basf Se Herbicide combinations comprising glufosinate and epyrifenacil
US20230080819A1 (en) 2020-01-31 2023-03-16 Basf Se Herbicide combinations comprising glufosinate and tiafenacil
EP4000400A1 (en) 2020-11-17 2022-05-25 Basf Se Herbicide combination comprising glufosinate, saflufenacil and trifludimoxazin
US20240023556A1 (en) 2020-10-12 2024-01-25 Basf Se Herbicide combination comprising glufosinate, saflufenacil and trifludimoxazin
WO2022167577A1 (en) 2021-02-05 2022-08-11 Basf Se Liquid herbicidal compositions
MX2023011615A (es) 2021-04-01 2023-10-11 Basf Se Metodos para preparar l-glufosinato.
BR112023024126A2 (pt) 2021-05-21 2024-01-30 Basf Se Método implementado por computador, usos de dados de imagens de satélite e de dados de resultados de testes, sistema para fornecer dados de taxa de aplicação para um campo agrícola e elemento de programa de computador
AR127679A1 (es) 2021-11-15 2024-02-21 Basf Se Método para aumentar la eficacia de un herbicida
CA3240073A1 (en) * 2021-12-10 2023-06-15 Klaus Ditrich Herbicidal activity of alkyl phosphinates
WO2024056517A1 (en) 2022-09-14 2024-03-21 Basf Se Use of an alkylether sulfate for improving the efficacy of herbicides
EP4338592A1 (en) 2022-09-15 2024-03-20 Basf Se Use of compound for improving the efficacy of herbicides

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH16509A (en) * 1971-03-10 1983-11-08 Monsanto Co N-phosphonomethylglycine phytotoxicant composition

Also Published As

Publication number Publication date
NZ184101A (en) 1979-10-25
CA1120052A (en) 1982-03-16
SU659069A3 (ru) 1979-04-25
NL7705259A (nl) 1977-11-21
NL179866B (nl) 1986-07-01
JPS5726564B2 (nl) 1982-06-05
DK142441B (da) 1980-11-03
SE7705872L (sv) 1977-11-18
BE854753A (fr) 1977-11-17
DD130094A5 (de) 1978-03-08
ZA772828B (en) 1978-04-26
DK142441C (nl) 1981-08-10
SE439416B (sv) 1985-06-17
BR7703155A (pt) 1978-01-31
ATA347477A (de) 1980-01-15
PH13253A (en) 1980-02-20
US4168963A (en) 1979-09-25
GR71675B (nl) 1983-06-21
FR2351598B1 (nl) 1984-02-17
IL52098A0 (en) 1977-07-31
HU185003B (en) 1984-11-28
JPS52139727A (en) 1977-11-21
PT66555A (en) 1977-06-01
PL103386B1 (pl) 1979-06-30
FR2351598A1 (fr) 1977-12-16
IT1143658B (it) 1986-10-22
NL179866C (nl) 1986-12-01
DE2717440C2 (de) 1984-04-05
GB1587292A (en) 1981-04-01
IL52098A (en) 1981-02-27
OA05664A (fr) 1981-05-31
DK212977A (nl) 1977-11-18
KE3264A (en) 1983-03-25
CS207456B1 (en) 1981-07-31
PT66555B (en) 1979-01-22
PL198145A1 (pl) 1978-02-27
AU2515177A (en) 1978-11-23
AU506817B2 (en) 1980-01-24
AT358315B (de) 1980-09-10
DE2717440A1 (de) 1977-12-01

Similar Documents

Publication Publication Date Title
AR220314A1 (es) Composicion herbicida en base a derivados de acido(3-carboxi-propil-1)-metil fosfinico
BR7903853A (pt) Composicoes herbicidas a base de derivados de pirazol
BR7708252A (pt) Composicoes fungicidas a base de derivados de morfolina
DK541878A (da) Phthalazin-4-yleddikesyrederivater
DK136579A (da) Thioetiansyrederivater
EG12559A (en) Phenoxy-phenoxyporpionic acid derivatives used as herbicides
DK317178A (da) Phenyleddikesyrederivater
DK286777A (da) Fremgangsmade til fremstilling af penicillansyrederivater
BR7900964A (pt) Composicoes herbicidas a base de derivados de piridazona
SE7707924L (sv) Kroppsburen stodanordning for en kamera
MX163202B (es) 5-aroil derivados de acidos 1,2-dihidro-3h-pirrolo(1,2-a)pirrol-1-carboxilicos
SE7714074L (sv) N-(benstiazol-2-yl)-oxamidsyra-derivat
DK455877A (da) Fremgangsmaade til fremstilling af phenyleddikesyrederivater
FI772628A (fi) 7-acylamino-8-oxo-3-oxa-1-azabicyklo(4.2.0)-octan-2-carboxyl-syraderivat
DK425177A (da) 2-(3-phenyl-2-amino-proprionyloxy)-eddikesyrederivater
DK501880A (da) Cyclopropancarboxylsyreesterderivater
IT1102456B (it) Acido 3-(2-amminoetiltio)-6-etil-7-osso-1-azabiciclo-(3.2.o)ept-2-ene-2-carbossilico
BE877341A (fr) Insecticides a base de derives propoxyles
AR220747A1 (es) Composiciones fungicidas a base de fosfitos de isotiouronio
AR220667A1 (es) Composiciones fungicidas a base de acido hipofosforoso o sus sales
NL7807871A (nl) Alpha-halogeenmethylaminozuur derivaten.
DK209880A (da) Benzofurancarboxylsyrederivater
IT1075675B (it) Derivati dell'acido oleanoico
IT1086849B (it) Dispositivo compensatore dell'errore di puntamento
NL7801576A (nl) Benzoheterocyclylglyoxylzuurderivaten.