PT87334A - Novel method of chlorination - Google Patents

Novel method of chlorination

Info

Publication number: PT87334A
Authority: PT; Portugal
Prior art keywords: chlorination; novel method; methoxynicotinic acid; chlorinating; benzenesulfonylurea
Prior art date: 1987-04-27

Application number

PT87334A

Other languages

English (en)

Other versions

PT87334B (pt

Inventor

Carl Joseph Goddard

Original Assignee

Pfizer

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.)

1987-04-27

Filing date

1988-04-26

Publication date

1988-05-01

1988-04-26 Application filed by Pfizer filed Critical Pfizer

1988-05-01 Publication of PT87334A publication Critical patent/PT87334A/pt

1992-08-31 Publication of PT87334B publication Critical patent/PT87334B/pt

Links

238000000034 method Methods 0.000 title abstract 3
238000005660 chlorination reaction Methods 0.000 title 1
FTEZJSXSARPZHJ-UHFFFAOYSA-N 2-methoxypyridine-3-carboxylic acid Chemical compound COC1=NC=CC=C1C(O)=O FTEZJSXSARPZHJ-UHFFFAOYSA-N 0.000 abstract 1
DPIJNAABZCWXFD-UHFFFAOYSA-N 5-chloro-2-methoxypyridine-3-carboxylic acid Chemical compound COC1=NC=C(Cl)C=C1C(O)=O DPIJNAABZCWXFD-UHFFFAOYSA-N 0.000 abstract 1
229910052783 alkali metal Inorganic materials 0.000 abstract 1
-1 alkali metal hypochlorite Chemical class 0.000 abstract 1
239000003125 aqueous solvent Substances 0.000 abstract 1
GHDLZGOOOLEJKI-UHFFFAOYSA-N benzenesulfonylurea Chemical class NC(=O)NS(=O)(=O)C1=CC=CC=C1 GHDLZGOOOLEJKI-UHFFFAOYSA-N 0.000 abstract 1
239000012320 chlorinating reagent Substances 0.000 abstract 1
150000001875 compounds Chemical class 0.000 abstract 1
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 1
239000003538 oral antidiabetic agent Substances 0.000 abstract 1
229940127209 oral hypoglycaemic agent Drugs 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B39/00—Halogenation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Pyridine Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Saccharide Compounds (AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Pyrrole Compounds (AREA)

PT87334A 1987-04-27 1988-04-26 Novo processo de cloracao PT87334B (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/043,056 US4716231A (en)	1987-04-27	1987-04-27	Chlorination of 2-methoxynicotinic acid

Publications (2)

Publication Number	Publication Date
PT87334A true PT87334A (pt)	1988-05-01
PT87334B PT87334B (pt)	1992-08-31

Family

ID=21925225

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT87334A PT87334B (pt)	1987-04-27	1988-04-26	Novo processo de cloracao

Country Status (18)

Country	Link
US (1)	US4716231A (pt)
EP (1)	EP0289180B1 (pt)
JP (1)	JPH0625117B2 (pt)
KR (1)	KR900006208B1 (pt)
AT (1)	ATE82965T1 (pt)
AU (1)	AU581829B2 (pt)
CA (1)	CA1297114C (pt)
DE (1)	DE3876277T2 (pt)
DK (1)	DK168624B1 (pt)
ES (1)	ES2035917T3 (pt)
FI (1)	FI89044C (pt)
GR (1)	GR3006528T3 (pt)
HU (1)	HU202206B (pt)
IE (1)	IE61278B1 (pt)
IL (1)	IL86115A (pt)
NZ (1)	NZ224376A (pt)
PT (1)	PT87334B (pt)
ZA (1)	ZA882937B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6133447A (en) *	1998-02-27	2000-10-17	Novartis Crop Protection, Inc.	Process for the preparation of substituted pyridines
JP5148836B2 (ja) *	2005-04-21	2013-02-20	石原産業株式会社	ニコチン酸誘導体又はその塩の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1832484A (en) *	1928-10-11	1931-11-17	Dow Chemical Co	Derivatives of para-hydroxy-diphenyl
US2365981A (en) *	1941-12-20	1944-12-26	Commercial Solvents Corp	Production of chlorinated nitro hydrocarbons
US3879403A (en) *	1973-05-04	1975-04-22	Pfizer	Benzenesulfonylurea derivatives

1987
- 1987-04-27 US US07/043,056 patent/US4716231A/en not_active Expired - Fee Related
1988
- 1988-04-18 EP EP88303449A patent/EP0289180B1/en not_active Expired - Lifetime
- 1988-04-18 AT AT88303449T patent/ATE82965T1/de not_active IP Right Cessation
- 1988-04-18 ES ES198888303449T patent/ES2035917T3/es not_active Expired - Lifetime
- 1988-04-18 DE DE8888303449T patent/DE3876277T2/de not_active Expired - Fee Related
- 1988-04-19 IL IL86115A patent/IL86115A/xx not_active IP Right Cessation
- 1988-04-25 JP JP63102352A patent/JPH0625117B2/ja not_active Expired - Lifetime
- 1988-04-25 KR KR1019880004705A patent/KR900006208B1/ko not_active Expired
- 1988-04-25 CA CA000564980A patent/CA1297114C/en not_active Expired - Lifetime
- 1988-04-26 NZ NZ224376A patent/NZ224376A/xx unknown
- 1988-04-26 AU AU15144/88A patent/AU581829B2/en not_active Ceased
- 1988-04-26 HU HU882104A patent/HU202206B/hu not_active IP Right Cessation
- 1988-04-26 PT PT87334A patent/PT87334B/pt not_active IP Right Cessation
- 1988-04-26 FI FI881949A patent/FI89044C/fi not_active IP Right Cessation
- 1988-04-26 ZA ZA882937A patent/ZA882937B/xx unknown
- 1988-04-26 DK DK225888A patent/DK168624B1/da not_active IP Right Cessation
- 1988-04-26 IE IE124688A patent/IE61278B1/en not_active IP Right Cessation
1992
- 1992-12-14 GR GR920402902T patent/GR3006528T3/el unknown

Also Published As

Publication number	Publication date
EP0289180A2 (en)	1988-11-02
FI881949L (fi)	1988-10-28
AU1514488A (en)	1988-10-27
EP0289180A3 (en)	1989-12-13
DE3876277T2 (de)	1993-04-01
DK225888A (da)	1988-10-28
CA1297114C (en)	1992-03-10
KR880012505A (ko)	1988-11-28
JPH0625117B2 (ja)	1994-04-06
FI881949A0 (fi)	1988-04-26
IE61278B1 (en)	1994-10-19
US4716231A (en)	1987-12-29
ZA882937B (en)	1989-12-27
ATE82965T1 (de)	1992-12-15
JPS63280065A (ja)	1988-11-17
GR3006528T3 (pt)	1993-06-30
ES2035917T3 (es)	1993-05-01
IE881246L (en)	1988-10-27
HU202206B (en)	1991-02-28
HUT49331A (en)	1989-09-28
AU581829B2 (en)	1989-03-02
PT87334B (pt)	1992-08-31
IL86115A0 (en)	1988-11-15
FI89044C (fi)	1993-08-10
FI89044B (fi)	1993-04-30
DE3876277D1 (de)	1993-01-14
EP0289180B1 (en)	1992-12-02
DK168624B1 (da)	1994-05-09
IL86115A (en)	1992-02-16
KR900006208B1 (ko)	1990-08-25
NZ224376A (en)	1989-12-21
DK225888D0 (da)	1988-04-26

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Legal Events

Date

Code

Title

Description

1992-08-31

FG3A

Patent granted, date of granting

Effective date: 19920210

1998-12-31

MM3A

Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19980831