IL86210D0 - Process for preparing chlorinated diphenyl ethers - Google Patents

Process for preparing chlorinated diphenyl ethers


Publication number
IL86210D0 IL86210A IL8621088A IL86210D0 IL 86210 D0 IL86210 D0 IL 86210D0 IL 86210 A IL86210 A IL 86210A IL 8621088 A IL8621088 A IL 8621088A IL 86210 D0 IL86210 D0 IL 86210D0
Prior art keywords
Prior art date
Application number
Original Assignee
Ciba Geigy 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
Priority to US07/046,594 priority Critical patent/US4766253A/en
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of IL86210D0 publication Critical patent/IL86210D0/en



    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/16Preparation of ethers by reaction of esters of mineral or organic acids with hydroxy or O-metal groups


The invention relates to a novel process for preparing chlorodiphenyl ethers of the formula I <IMAGE> (I) in which R is hydrogen or chlorine, which comprises heating a material of the formula III <IMAGE> (III) in which X is one equivalent of an alkali metal or alkaline earth metal ion and R is as defined above, in an excess of a dichlorobenzene of the formula II <IMAGE> (II) in the presence of a copper catalyst and of an aprotic solvent as cocatalyst at temperatures of 120 DEG -220 DEG C.
IL86210A 1987-05-04 1988-04-28 Process for preparing chlorinated diphenyl ethers IL86210D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/046,594 US4766253A (en) 1987-05-04 1987-05-04 Process for preparing chlorinated diphenyl ethers

Publications (1)

Publication Number Publication Date
IL86210D0 true IL86210D0 (en) 1988-11-15



Family Applications (1)

Application Number Title Priority Date Filing Date
IL86210A IL86210D0 (en) 1987-05-04 1988-04-28 Process for preparing chlorinated diphenyl ethers

Country Status (10)

Country Link
US (1) US4766253A (en)
EP (1) EP0297028B1 (en)
JP (1) JPH0686397B2 (en)
KR (1) KR960006254B1 (en)
AT (1) AT93224T (en)
BR (1) BR8802145A (en)
DE (1) DE3883313D1 (en)
ES (1) ES2058331T3 (en)
IL (1) IL86210D0 (en)
ZA (1) ZA8803132B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5283371A (en) * 1986-03-13 1994-02-01 National Research Development Corporation Intermediates useful in the production of pesticides
DE3918897A1 (en) * 1989-06-09 1990-12-13 Bayer Ag A process for the preparation of chlorinated diphenyl ether
JPH03148235A (en) * 1989-11-01 1991-06-25 Yoshitomi Pharmaceut Ind Ltd Preparation of 4-biphenyl-p-tolyl ether
DE3940130A1 (en) * 1989-12-05 1991-06-06 Hoechst Ag A process for the preparation of 3,4'-dichloro-diphenyl ether
EP0434517A3 (en) * 1989-12-20 1991-10-16 Rhone-Poulenc Chimie Process for the preparation of mono- or poly-alkoxylated aromatic compounds
FR2661672B1 (en) * 1990-05-04 1994-04-08 Rhone Poulenc Chimie A process for preparing alkoxy-3-hydroxy-4 benzaldehydes.
EP0455545A1 (en) * 1990-05-04 1991-11-06 Rhone-Poulenc Chimie Process for the preparation of mono- or polyalkoxylated aromatic compounds
US5136107A (en) * 1990-06-04 1992-08-04 Ethyl Corporation Process for halogenating aromatic compounds
FR2669024A1 (en) * 1990-11-09 1992-05-15 Rhone Poulenc Chimie Process for the preparation of alkoxybenzaldehydes
US5767303A (en) * 1996-10-04 1998-06-16 Chiyoda Corporation Process of producing carbonic diester
US6395939B1 (en) 1997-10-06 2002-05-28 Massachusetts Institute Of Technology Diaryl ether condensation reactions
US7445550B2 (en) 2000-02-22 2008-11-04 Creative Kingdoms, Llc Magical wand and interactive play experience
US7878905B2 (en) 2000-02-22 2011-02-01 Creative Kingdoms, Llc Multi-layered interactive play experience
DE10008518A1 (en) * 2000-02-24 2001-08-30 Bayer Ag Verf.z.Herst.von 1-chloro-4- [4- (alkylthio) phenoxy] benzenes and new 1-chloro-4- [4- (alkylthio) phenoxy] benzenes
US7066781B2 (en) * 2000-10-20 2006-06-27 Denise Chapman Weston Children's toy with wireless tag/transponder
US6841707B2 (en) 2001-12-21 2005-01-11 Pabu Services, Inc. Method and apparatus for producing decabromodiphenyl alkanes
CN102898422B (en) * 2012-10-12 2015-07-08 江苏七洲绿色化工股份有限公司 Method for preparing difenoconazole
CN103073408A (en) * 2013-01-06 2013-05-01 扬州市天平化工厂有限公司 Preparation method of dichlorodiphenylene ether ketone
CN105061406A (en) * 2015-07-17 2015-11-18 江苏禾本生化有限公司 Preparation technology of difenoconazole technical material

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371120A (en) * 1964-09-21 1968-02-27 Monsanto Co 3, 4'-halogen-containing diphenyl ethers and thio ethers
DE2242519C2 (en) * 1972-08-30 1982-03-18 Bayer Ag, 5090 Leverkusen, De
JPS5033046A (en) * 1973-08-02 1975-03-31
DE2837525A1 (en) * 1978-08-28 1980-03-20 Bayer Ag A process for the preparation of 4- fluoro-3-phenoxy-toluene
FR2456727B1 (en) * 1979-05-18 1981-07-03 Rhone Poulenc Ind
FR2460283B1 (en) * 1979-07-03 1984-03-30 Rhone Poulenc Spec Chim
DE2932093A1 (en) * 1979-08-08 1981-02-26 Bayer Ag A process for the preparation of 4-fluoro-3-phenoxy-toluene
US4289909A (en) * 1980-03-03 1981-09-15 Chevron Research Process for preparing 1-dichloroacyl-4-substituted phenoxy benzene and intermediates therefor
JPS57291A (en) * 1980-05-31 1982-01-05 Matsushita Electric Works Ltd Sound isolated door
DE3040849A1 (en) * 1980-10-30 1982-06-09 Hoechst Ag A process for the preparation of diphenyl ethers
US4349487A (en) * 1981-08-24 1982-09-14 The Dow Chemical Company Process for forming ethers
DE3200431A1 (en) * 1982-01-09 1983-07-21 Bayer Ag Process for the preparation of 4-fluoro-3-phenoxytoluene
JPH0357092B2 (en) * 1986-05-27 1991-08-30
JPH1193839A (en) * 1997-09-19 1999-04-06 Sanwa Seiki Co Ltd Air compressor

Also Published As

Publication number Publication date
DE3883313D1 (en) 1993-09-23
EP0297028B1 (en) 1993-08-18
EP0297028A2 (en) 1988-12-28
AT93224T (en) 1993-09-15
ZA8803132B (en) 1988-12-28
JPS63284141A (en) 1988-11-21
ES2058331T3 (en) 1994-11-01
US4766253A (en) 1988-08-23
KR880013865A (en) 1988-12-22
EP0297028A3 (en) 1990-05-23
KR960006254B1 (en) 1996-05-13
JPH0686397B2 (en) 1994-11-02
BR8802145A (en) 1988-12-06

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Legal Events

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