GB9807606D0 - Chemical process - Google Patents

Chemical process

Info

Publication number
GB9807606D0
GB9807606D0 GBGB9807606.0A GB9807606A GB9807606D0 GB 9807606 D0 GB9807606 D0 GB 9807606D0 GB 9807606 A GB9807606 A GB 9807606A GB 9807606 D0 GB9807606 D0 GB 9807606D0
Authority
GB
United Kingdom
Prior art keywords
chemical process
chemical
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB9807606.0A
Other versions
GB2325224A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Syngenta Ltd
Original Assignee
Zeneca Ltd
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 Zeneca Ltd filed Critical Zeneca Ltd
Publication of GB9807606D0 publication Critical patent/GB9807606D0/en
Publication of GB2325224A publication Critical patent/GB2325224A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/30—Halogen atoms or nitro radicals
GB9807606A 1997-05-14 1998-04-08 Preparation of 4,6-dichloropyrimidine Withdrawn GB2325224A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9709810.7A GB9709810D0 (en) 1997-05-14 1997-05-14 Chemical process

Publications (2)

Publication Number Publication Date
GB9807606D0 true GB9807606D0 (en) 1998-06-10
GB2325224A GB2325224A (en) 1998-11-18

Family

ID=10812311

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9709810.7A Pending GB9709810D0 (en) 1997-05-14 1997-05-14 Chemical process
GB9807606A Withdrawn GB2325224A (en) 1997-05-14 1998-04-08 Preparation of 4,6-dichloropyrimidine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9709810.7A Pending GB9709810D0 (en) 1997-05-14 1997-05-14 Chemical process

Country Status (1)

Country Link
GB (2) GB9709810D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19929353A1 (en) 1999-06-26 2000-12-28 Bayer Ag Preparation of 4,6-dichloropyrimidine used as plant protection agent intermediates comprises reacting 4-chloro-6-methoxypyrimidine with acid chloride
DE19929350A1 (en) 1999-06-26 2000-12-28 Bayer Ag Preparation of 4,6-dichloropyrimidine used as plant protection agent intermediates comprises reacting 4-chloro-6-methoxypyrimidine with acid chloride and halogen hydride
DE19935322A1 (en) * 1999-07-28 2001-02-01 Bayer Ag Process for the preparation of 4,6-dichloropyrimidine with phosgene
CN102675216B (en) * 2012-03-20 2014-10-08 河北临港化工有限公司 Novel purifying treatment process for 4,6-dichloropyrimidine
CN103539747B (en) * 2013-09-24 2016-08-10 重庆紫光化工股份有限公司 The preparation method of 4,6-dichloro pyrimidine
CN106187912A (en) * 2016-07-19 2016-12-07 安徽广信农化股份有限公司 A kind of production technology of 4,6 dichloro pyrimidines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408404A1 (en) * 1994-03-12 1995-09-14 Huels Chemische Werke Ag Process for the preparation of chloropyrimidines
JP3930903B2 (en) * 1995-01-30 2007-06-13 シンジェンタ リミテッド Method for producing 4,6-dichloropyrimidine
AT402818B (en) * 1995-06-02 1997-09-25 Chemie Linz Gmbh METHOD FOR PRODUCING PURE 4,6-DICHLORPYRIMIDINE

Also Published As

Publication number Publication date
GB9709810D0 (en) 1997-07-09
GB2325224A (en) 1998-11-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)