BR9914775A - Processo quìmico para preparação deintermediários - Google Patents

Processo quìmico para preparação deintermediários

Info

Publication number
BR9914775A
BR9914775A BR9914775-0A BR9914775A BR9914775A BR 9914775 A BR9914775 A BR 9914775A BR 9914775 A BR9914775 A BR 9914775A BR 9914775 A BR9914775 A BR 9914775A
Authority
BR
Brazil
Prior art keywords
chemical process
preparing intermediates
preparing
intermediates
intermediaries
Prior art date
Application number
BR9914775-0A
Other languages
English (en)
Inventor
Michel Casado
Patrick Ratton
Dominique Stephan
Agnes Viauvy
Original Assignee
Aventis Cropscience Sa
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
Priority claimed from EP98420186A external-priority patent/EP0994103A1/en
Priority claimed from EP19980420187 external-priority patent/EP0994099B1/en
Priority claimed from EP19980420185 external-priority patent/EP1000929B1/en
Application filed by Aventis Cropscience Sa filed Critical Aventis Cropscience Sa
Publication of BR9914775A publication Critical patent/BR9914775A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/14—Preparation of carboxylic acid nitriles by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

"PROCESSO QUìMICO PARA PREPARAçãO DEINTERMEDIáRIOS". A presente invenção refere-se a processosde preparação de compostos de acordo com a fórmula (I), em queR^ 1^ e R^ 2^ são definidos no relatório descritivo.
BR9914775-0A 1998-10-13 1999-10-11 Processo quìmico para preparação deintermediários BR9914775A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP98420186A EP0994103A1 (en) 1998-10-13 1998-10-13 Processes for preparing pesticidal intermediates
EP19980420187 EP0994099B1 (en) 1998-10-13 1998-10-13 Process for preparing 4-cyano-3-nitrobenzotrifluoride from 3-bromo-4-cyanobenzotrifluoride in the presence of catalytic cuprous cyanide and a phase transfer catalyst.
EP19980420185 EP1000929B1 (en) 1998-10-13 1998-10-13 Process for preparing o-nitrobenzonitriles
PCT/EP1999/008135 WO2000021922A2 (en) 1998-10-13 1999-10-11 Chemical processes

Publications (1)

Publication Number Publication Date
BR9914775A true BR9914775A (pt) 2001-11-13

Family

ID=27239662

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9914775-0A BR9914775A (pt) 1998-10-13 1999-10-11 Processo quìmico para preparação deintermediários

Country Status (16)

Country Link
US (1) US6635780B1 (pt)
EP (1) EP1121344A2 (pt)
JP (1) JP2002527417A (pt)
KR (1) KR20010080147A (pt)
CN (1) CN1359372A (pt)
AR (1) AR020785A1 (pt)
AU (1) AU767379B2 (pt)
BR (1) BR9914775A (pt)
CA (1) CA2344359A1 (pt)
CZ (1) CZ20011318A3 (pt)
HR (1) HRP20010276A2 (pt)
HU (1) HUP0103775A3 (pt)
ID (1) ID29608A (pt)
IL (1) IL142105A0 (pt)
PL (1) PL348102A1 (pt)
WO (1) WO2000021922A2 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101585783B (zh) * 2009-06-26 2012-04-18 北京颖新泰康国际贸易有限公司 一种邻硝基苯腈类化合物的制备方法
CN105384684B (zh) * 2015-12-16 2018-02-13 辽宁工程技术大学 一种2‑氰基‑6‑甲基吡啶的制备方法
CN106631886B (zh) * 2016-11-09 2018-07-03 帕潘纳(北京)科技有限公司 2-硝基-4-三氟甲基苯腈的制备方法
CN117658818A (zh) * 2023-11-03 2024-03-08 江西巍华化学有限公司 一种4-氟-3-硝基三氟甲苯的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2195076A (en) * 1936-10-24 1940-03-26 Gen Aniline & Film Corp Process of replacing halogen in cyclic halogen compounds and product thereof
US2716646A (en) * 1951-08-29 1955-08-30 Du Pont Process for preparing aromatic nitriles
US3890326A (en) * 1973-12-13 1975-06-17 Olin Corp Bromination with trifluoromethylbromide
US4211721A (en) * 1978-12-04 1980-07-08 Hooker Chemicals & Plastics Corp. Process for the preparation of aromatic nitriles
JPS5679662A (en) * 1979-12-05 1981-06-30 Nippon Kayaku Co Ltd Preparation of o-nitrobenzonitrile derivative
JPS5998052A (ja) * 1982-11-26 1984-06-06 Sanwa Kagaku Kenkyusho:Kk ４−クロル−２−ニトロベンゾニトリルの製法
JPH01153669A (ja) * 1987-12-11 1989-06-15 Idemitsu Kosan Co Ltd 芳香族ニトリルの製造方法
US4886936A (en) * 1988-08-15 1989-12-12 Ici Americas Inc. Process for the production of ortho-nitrobenzonitriles
JPH0390057A (ja) * 1989-08-31 1991-04-16 Ishihara Sangyo Kaisha Ltd クロロフルオロベンゾニトリル及びその製造方法
EP0543930A1 (en) * 1990-08-17 1993-06-02 E.I. Du Pont De Nemours And Company Arthropodicidal pyrazolines, pyrazolidines and hydrazines
DE4137270A1 (de) * 1991-11-13 1993-05-19 Bayer Ag Verfahren zur herstellung von 1,2,3-tricyanobenzol, aus 1,2,3-tricyanobenzol erhaeltliche phthalocyanine und ihre verwendung als pigmente
DE59401358D1 (de) 1993-01-23 1997-02-06 Hoechst Ag 2,3-Difluor-6-nitrobenzonitril und 2-Chlor-5,6-difluorbenzonitril, Verfahren zu deren Herstellung und ihre Verwendung zur Herstellung von 2,3,6-Trifluorbenzoesäure
DE4324366C1 (de) 1993-07-21 1994-09-22 Hoechst Ag Katalysator für nukleophile aromatische Substitutionen
DE19529973A1 (de) * 1995-08-16 1997-02-20 Hoechst Ag Verfahren zur Herstellung von ortho-Nitrobenzonitrilen

Also Published As

Publication number Publication date
JP2002527417A (ja) 2002-08-27
CN1359372A (zh) 2002-07-17
CA2344359A1 (en) 2000-04-20
HUP0103775A3 (en) 2003-05-28
PL348102A1 (en) 2002-05-06
HRP20010276A2 (en) 2002-06-30
ID29608A (id) 2001-09-06
CZ20011318A3 (cs) 2001-08-15
AR020785A1 (es) 2002-05-29
KR20010080147A (ko) 2001-08-22
IL142105A0 (en) 2002-03-10
AU767379B2 (en) 2003-11-06
WO2000021922A2 (en) 2000-04-20
AU1155200A (en) 2000-05-01
US6635780B1 (en) 2003-10-21
WO2000021922A3 (en) 2000-11-09
EP1121344A2 (en) 2001-08-08
HUP0103775A2 (hu) 2002-02-28

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A, 8A E 9A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1962 DE 12/08/2008.