BR9811301A - Processo para preparar brometos de benzila substituìdos - Google Patents

Processo para preparar brometos de benzila substituìdos

Info

Publication number
BR9811301A
BR9811301A BR9811301-1A BR9811301A BR9811301A BR 9811301 A BR9811301 A BR 9811301A BR 9811301 A BR9811301 A BR 9811301A BR 9811301 A BR9811301 A BR 9811301A
Authority
BR
Brazil
Prior art keywords
substituted benzyl
benzyl bromides
preparing substituted
general formula
substituted
Prior art date
Application number
BR9811301-1A
Other languages
English (en)
Other versions
BR9811301B1 (pt
Inventor
Horst Wingert
Norbert Goetz
Michael Keil
Bernd Mueller
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of BR9811301A publication Critical patent/BR9811301A/pt
Publication of BR9811301B1 publication Critical patent/BR9811301B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B39/00—Halogenation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
    • C07C17/14—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the side-chain of aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/307—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of halogen; by substitution of halogen atoms by other halogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

"PROCESSO PARA PREPARAR BROMETOS DE BENZILA SUBSTITUìDOS". A invenção refere-se a um processo para preparar brometos de benzila substituídos de fórmula geral (I): em que pelo menos um substituinte R^ 1-5^ representa um grupo que atrai elétron, tal que flúor, cloro, bromo, alcoxicarbonila C~ 1~-C~ 4~, ciano ou nitro, e os substituintes R^ 1-5^ remanescentes representam hidrogênio ou metila, por bromação de toluenos substituídos de fórmula geral (II): com um agente de bromação em temperaturas de 20 a 95°C.
BRPI9811301-1A 1997-07-30 1998-07-20 processo para preparar brometos de benzila substituÍdos. BR9811301B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732693A DE19732693C1 (de) 1997-07-30 1997-07-30 Verfahren zur Herstellung von substituierten Benzylbromiden
PCT/EP1998/004485 WO1999006339A1 (de) 1997-07-30 1998-07-20 Verfahren zur herstellung von substituierten benzylbromiden

Publications (2)

Publication Number Publication Date
BR9811301A true BR9811301A (pt) 2000-08-29
BR9811301B1 BR9811301B1 (pt) 2009-01-13

Family

ID=7837285

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9811301-1A BR9811301B1 (pt) 1997-07-30 1998-07-20 processo para preparar brometos de benzila substituÍdos.

Country Status (17)

Country Link
US (1) US6133468A (pt)
EP (1) EP0999999B1 (pt)
JP (1) JP2001512090A (pt)
KR (1) KR100533564B1 (pt)
CN (1) CN1105701C (pt)
AT (1) ATE241577T1 (pt)
AU (1) AU8731898A (pt)
BR (1) BR9811301B1 (pt)
CA (1) CA2298563C (pt)
CZ (1) CZ293525B6 (pt)
DE (1) DE19732693C1 (pt)
DK (1) DK0999999T3 (pt)
ES (1) ES2201518T3 (pt)
HU (1) HU226938B1 (pt)
IL (1) IL133860A (pt)
PL (1) PL187954B1 (pt)
WO (1) WO1999006339A1 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA04002291A (es) * 2001-09-11 2004-06-29 Bayer Cropscience Gmbh Metodos para producir acidos 3-bromometilbenzoicos.
ATE322472T1 (de) * 2002-06-21 2006-04-15 Prime Europ Therapeuticals 2-bromomethyl-6-methyl-benzoesäure und verfahren zu ihrer herstellung
AU2003234832A1 (en) * 2003-05-20 2004-12-13 Sumitomo Chemical Company, Limited Process for producing bromomethyl-substituted aromatic carboxylic ester compound
JP4537678B2 (ja) * 2003-09-04 2010-09-01 住友化学株式会社 ２’−（１ｈ−テトラゾール−５−イル）ビフェニル−４−カルボアルデヒド結晶およびその製造方法
CN100545136C (zh) * 2007-10-11 2009-09-30 同济大学 一种五溴苄基溴的制备方法
AU2009312512B2 (en) * 2008-11-06 2015-11-26 Council Of Scientific & Industrial Research An improved process for the preparation of para-nitrobenzyl bromide
HUP0900788A2 (en) * 2009-12-16 2011-11-28 Sanofi Aventis Process for producing 4-bromomethyl-biphenyl derivatives
EP2547653B1 (en) 2010-03-18 2015-01-28 Basf Se N-carbomethoxy-n-methoxy-(2-chloromethyl)-anilines, their preparation and their use as precursors for preparing 2-(pyrazol-3'-yloxymethylene)-anilides
CN102060710B (zh) * 2010-12-10 2013-11-06 合肥工业大学 一种邻硝基苯甲醛高选择性合成方法
CN103641722B (zh) * 2013-08-27 2015-12-02 盐城工学院 一种邻硝基溴苄的生产方法
CN107778181B (zh) * 2016-08-29 2020-04-28 浙江中山化工集团股份有限公司 一种邻硝基溴苄的新合成工艺
CN107098812A (zh) * 2017-04-17 2017-08-29 安徽广信农化股份有限公司 一种吡唑醚菌酯中间体邻硝基苄溴的合成工艺
CN106977404A (zh) * 2017-04-17 2017-07-25 安徽广信农化股份有限公司 一种吡唑醚菌酯中间体邻硝基苄溴的一体式合成系统
CN107098791B (zh) * 2017-04-18 2021-01-26 浙江师范大学 一种苄基溴的制备方法
CN107043321B (zh) * 2017-04-25 2021-01-15 连云港市工业投资集团有限公司 一种高选择性合成2,3-二氯苯甲醛的方法
CN107417501B (zh) * 2017-04-28 2020-11-13 浙江师范大学 一种匹维溴铵中间体2-溴-4,5-二甲氧基溴苄的制备方法
CN107216286B (zh) * 2017-06-27 2020-03-31 江苏省农用激素工程技术研究中心有限公司 5-溴甲基-2,3-吡啶二甲酸二甲酯的制备方法
EP3587391A1 (en) 2018-06-22 2020-01-01 Basf Se Process for preparing nitrobenzyl bromides
CN109485572A (zh) * 2018-11-02 2019-03-19 永农生物科学有限公司 含取代基的溴化苄的制备方法
CN112778171A (zh) * 2019-11-07 2021-05-11 帕潘纳(北京)科技有限公司 一种3-溴甲基-2-氯-4-甲基磺酰基苯甲酸的制备方法
CN110845370A (zh) * 2019-11-29 2020-02-28 江苏宝灵化工股份有限公司 一种合成氯啶菌酯中间体的方法
CN113968814A (zh) * 2020-07-22 2022-01-25 帕潘纳(北京)科技有限公司 一种制备5-溴甲基-2,3-吡啶羧酸二甲酯的方法
CN114773204A (zh) * 2022-05-24 2022-07-22 浙江禾本科技股份有限公司 一种连续制备苄基溴衍生物的方法
CN117800844A (zh) * 2023-12-28 2024-04-02 江苏丰山生化科技有限公司 一种苄溴化合物合成过程中含溴盐废水回收套用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB707990A (en) * 1951-01-15 1954-04-28 Peboc Ltd Process for the manufacture of halogenated organic compounds
JPS52117861A (en) * 1976-03-31 1977-10-03 Nippon Steel Corp Method of rolling hhshaped metal material
CH633765A5 (en) * 1977-10-21 1982-12-31 Ciba Geigy Ag Process for the preparation of o-substituted benzal bromides and benzyl bromides
GB8806584D0 (en) * 1988-03-19 1988-04-20 Interox Chemicals Ltd Bromination
JP2688657B2 (ja) * 1989-02-23 1997-12-10 三光化学工業株式会社 芳香核に結合するメチル基の臭素化方法
US5312958A (en) * 1992-01-31 1994-05-17 Takeda Chemical Industries, Ltd. Process for producing 4-bromomethylbiphenyl compounds

Also Published As

Publication number Publication date
HUP0002516A2 (hu) 2000-11-28
JP2001512090A (ja) 2001-08-21
WO1999006339A1 (de) 1999-02-11
KR20010022440A (ko) 2001-03-15
IL133860A0 (en) 2001-04-30
CN1105701C (zh) 2003-04-16
IL133860A (en) 2004-09-27
PL338442A1 (en) 2000-11-06
ATE241577T1 (de) 2003-06-15
US6133468A (en) 2000-10-17
BR9811301B1 (pt) 2009-01-13
HUP0002516A3 (en) 2001-02-28
CZ293525B6 (cs) 2004-05-12
CA2298563A1 (en) 1999-02-11
DK0999999T3 (da) 2003-09-29
DE19732693C1 (de) 1999-03-11
ES2201518T3 (es) 2004-03-16
AU8731898A (en) 1999-02-22
CN1265639A (zh) 2000-09-06
KR100533564B1 (ko) 2005-12-06
PL187954B1 (pl) 2004-11-30
EP0999999A1 (de) 2000-05-17
HU226938B1 (en) 2010-03-29
CA2298563C (en) 2006-07-11
EP0999999B1 (de) 2003-05-28
CZ2000310A3 (cs) 2000-05-17

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 25/02/2009, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 25.02.2019