AR241244A1 - Metodo para la preparacion de carboxilatos y dicarboxilatos de piridina sustituidos. - Google Patents
Metodo para la preparacion de carboxilatos y dicarboxilatos de piridina sustituidos.Info
- Publication number
- AR241244A1 AR241244A1 AR86305709A AR30570986A AR241244A1 AR 241244 A1 AR241244 A1 AR 241244A1 AR 86305709 A AR86305709 A AR 86305709A AR 30570986 A AR30570986 A AR 30570986A AR 241244 A1 AR241244 A1 AR 241244A1
- Authority
- AR
- Argentina
- Prior art keywords
- preparation
- alkyl
- substituted
- halogen
- formula
- Prior art date
Links
Classifications
-
- 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
- C07D213/24—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/55—Acids; Esters
-
- 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)
- Plural Heterocyclic Compounds (AREA)
Abstract
UN METODO PARA LA PREPARACION DE CARBOXILATOS Y DICARBOXILATOS DE PIRIDINA SUSTITUIDOS INTERMEDIARIO DE HERBICIDAS DE FORMULA (I):DONDE R3 ES H, HALOGENO, ALQUILO, ALQUENILO O FENILO, R4 Y R7 SONALQUILO, FENILO O FURILO; R8 ES ALQUILO O CO2R5; Y R5 Y R6 SON ALQUILO QUE COMPRENDE HACER REACCIONAR UN ALFA-HALO-BETA-CETOESTER DE FORMULA II DONDE R6 Y R8 SON LOS YA DEFINIDOS Y X ES HALOGENO, CON UN ALDEHIDO O CETONA ALFA-BETA INSATURADA DE FORMULA III DONDE R3, R4 Y R7 SON LOS YA DEFINIDOS EN PRESENCIA DE UN MINIMO DE DOS EQUIVALENTES MOLARES DE UNA SAL DE AMONIO EN UN SOLVENTE ORGANICO A UNA TEMPERATURA ENTRE EL AMBIENTE Y EL PUNTO DE EBULLICION DEL SOLVENTE HASTA COMPLETAR LA REACCION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/791,671 US4723011A (en) | 1985-10-28 | 1985-10-28 | Preparation of substituted and disubstituted-pyridine-2,3-dicarboxylate esters |
Publications (1)
Publication Number | Publication Date |
---|---|
AR241244A1 true AR241244A1 (es) | 1992-03-31 |
Family
ID=25154435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR86305709A AR241244A1 (es) | 1985-10-28 | 1986-09-16 | Metodo para la preparacion de carboxilatos y dicarboxilatos de piridina sustituidos. |
Country Status (18)
Country | Link |
---|---|
US (1) | US4723011A (es) |
EP (1) | EP0220518B1 (es) |
JP (1) | JPH0768216B2 (es) |
KR (1) | KR940001774B1 (es) |
AR (1) | AR241244A1 (es) |
AT (1) | ATE60758T1 (es) |
AU (1) | AU592379B2 (es) |
BR (1) | BR8605210A (es) |
CA (1) | CA1274831A (es) |
CS (1) | CS259894B2 (es) |
DD (1) | DD254000A5 (es) |
DE (1) | DE3634975C2 (es) |
DK (1) | DK163505C (es) |
ES (1) | ES2000910A6 (es) |
HU (1) | HU198909B (es) |
IE (1) | IE59324B1 (es) |
IL (1) | IL80284A (es) |
ZA (1) | ZA868167B (es) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8605868D0 (en) * | 1986-03-10 | 1986-04-16 | Shell Int Research | Preparation of heterocyclic compounds |
EP0274379B1 (en) * | 1987-01-06 | 1993-06-30 | Sugai Chemical Industry Co., Ltd. | Process for preparing pyridine-2,3-dicarboxylic acid compounds |
JPH0625116B2 (ja) * | 1987-07-08 | 1994-04-06 | ダイソー株式会社 | ピリジン−2,3−ジカルボン酸誘導体の製造法 |
US4871859A (en) * | 1988-03-02 | 1989-10-03 | Hoechst Celanese Corporation | Process for preparing pyridine carboxylic acid esters |
WO1989008103A1 (en) * | 1988-03-02 | 1989-09-08 | Hoechst Celanese Corporation | Process for preparing pyridine carboxylic acid esters |
US5047542A (en) * | 1988-07-01 | 1991-09-10 | Hoechst Celanese Corporation | Process for preparing pyridine carboxylic acid esters |
DE68923232T2 (de) * | 1988-03-18 | 1996-01-04 | Sugai Chemical Industry Co, Ltd., Wakayama | Verfahren zur herstellung von pyridin-2,3-dicarbonsäure-verbindungen. |
US5175300A (en) * | 1988-03-18 | 1992-12-29 | Sugai Chemical Ind. Co., Ltd. | Process for preparing pyridine-2,3-dicarboxylic acid compounds |
DE3840554A1 (de) * | 1988-12-01 | 1990-06-13 | Wacker Chemie Gmbh | Verfahren zur herstellung von pyridin-2,3-dicarbonsaeureestern |
US4925944A (en) * | 1989-03-21 | 1990-05-15 | American Cyanamid Company | Process for the preparation of o-carboxypyridyl- and o-carboxyquinolylimidazolinones |
CA2022408A1 (en) * | 1989-08-31 | 1991-03-01 | Michael P. Bodman | Process for preparing pyridine carboxylic acid derivatives |
US5405987A (en) * | 1989-08-31 | 1995-04-11 | Hoechst Celanese Corporation | Process for preparing pyridine and quinoline derivatives |
US5322948A (en) * | 1989-08-31 | 1994-06-21 | Hoechst Celanese Corporation | Process for preparing pyridinecarboxylic acid derivatives |
US5118809A (en) * | 1990-06-15 | 1992-06-02 | American Cyanamid Company | Process for the preparation of substituted and unsubstituted-2,3-pyridinedicarboxylates from chloromaleate or chlorofumarate or mixtures thereof |
EP0461401A1 (en) * | 1990-06-15 | 1991-12-18 | American Cyanamid Company | Process for the preparation of dialkyl, pyridine-2,3-dicarboxylates and derivatives thereof from dialkyl dichloromaleate |
US5124458A (en) * | 1990-06-15 | 1992-06-23 | American Cyanamid Company | Process for the preparation of dialkyl pyridine-2,3-dicarboxylate and derivatives thereof from dialkyl dichlorosuccinate |
US5225560A (en) * | 1990-06-15 | 1993-07-06 | American Cyanamid Company | Process for the preparation of dialkyl pyridine-2,3-dicarboxylate and derivatives thereof from dialkyl dichlorosuccinate |
US5122608A (en) * | 1990-12-19 | 1992-06-16 | American Cyanamid Company | Method for the preparation of substituted and unsubstituted 2,3-pyridine and quinolinedicarboxylic acids |
US5281713A (en) * | 1991-12-20 | 1994-01-25 | American Cyanamid Company | Process for the manufacture of 2-alkoxymethylacrolein |
US5276157A (en) * | 1991-12-20 | 1994-01-04 | American Cyanamid Company | Process for the purification of 2,3-pyridine and quinolinedicarboxylic acid diester compounds |
US5177266A (en) * | 1991-12-20 | 1993-01-05 | American Cyanamid Company | Proccess for the manufacture of 2-alkoxymethylacrolein |
US5208342A (en) * | 1992-03-30 | 1993-05-04 | Hoechst Celanese Corporation | Conversion of pyridine-2,3-dicarboxylic acid esters to cyclic anhydrides |
DE4343923A1 (de) * | 1993-12-22 | 1995-06-29 | Basf Ag | Pyridin-2,3-dicarbonsäureimide, Verfahren zu ihrer Herstellung und ihre Verwendung zur Bekämpfung unerwünschten Pflanzenwuchses |
JPH11508918A (ja) * | 1995-07-11 | 1999-08-03 | レイリー・インダストリーズ・インコーポレーテッド | キノリン塩基の製造方法 |
NZ314904A (en) * | 1996-06-10 | 1998-06-26 | American Cyanamid Co | Preparation of a herbicidal [(5,6-dicarboxy-3-pyridyl)methyl]ammonium halide |
US5892050A (en) * | 1998-01-28 | 1999-04-06 | American Cyanamid Company | Process for the preparation of pyridine dicarboxylate derivatives |
US5925764A (en) * | 1998-06-15 | 1999-07-20 | Wu; Wen-Xue | Process and intermediated for the manufacture of pyridine-2, 3-dicarboxylate compounds |
US6080867A (en) * | 1998-06-15 | 2000-06-27 | American Cyanamid Company | Process and intermediates for the manufacture of pyridine-2,3-dicarboxylate compounds |
US7795439B2 (en) * | 2004-06-25 | 2010-09-14 | Basf Aktiengesellschaft | In-situ treatment of pyridine 2,3-dicarboxylic acid esters with an oxidizing agent |
DE102005022043B3 (de) * | 2005-05-09 | 2006-09-28 | MAE Maschinen- und Apparatebau Götzen GmbH & Co. KG | Verfahren und Vorrichtung zum Richten eines länglichen Werkstückes |
US8161289B2 (en) | 2005-12-21 | 2012-04-17 | SanDisk Technologies, Inc. | Voice controlled portable memory storage device |
CN103373958B (zh) * | 2012-04-18 | 2015-11-04 | 中国中化股份有限公司 | 5-乙基吡啶-2,3-二甲酸二乙酯的制备方法 |
EP3782985A1 (en) | 2019-08-19 | 2021-02-24 | BASF Agrochemical Products B.V. | Process for manufacturing 5-methoxymethylpyridine-2,3-dicarboxylic acid derivatives |
CN115403518A (zh) * | 2022-09-19 | 2022-11-29 | 浙江伟锋药业有限公司 | 一种5-烷基吡啶-2,3-二羧酸酯的连续流合成工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2453305A1 (de) * | 1973-12-05 | 1975-06-12 | Heyden Chem Fab | Neue hydrazine, hydrazide und hydrazone von pyrazolo(3,4-b)pyridin-6-carbonsaeuren und -carbonsaeureestern und ihre salze |
US4460776A (en) * | 1982-05-25 | 1984-07-17 | American Cyanamid Company | Process for the preparation of 6-substituted-2,3-pyridinedicarboxylic acid diesters |
EP0127883B1 (en) * | 1983-06-02 | 1989-06-07 | American Cyanamid Company | (2-Imidazolin-2-yl)thieno and furo(2,3-b) and (3,2-b) pyridines and intermediates for the preparation thereof, and use of said compounds as herbicidal agents. |
US4748244A (en) * | 1984-05-11 | 1988-05-31 | Ciba-Geigy Corporation | Process for the preparation of pyridine-2-3-dicarboxylic acid derivatives, and novel 1-amino-1,4-dihydropyridine-2-3-diarboxylic acid derivatives |
-
1985
- 1985-10-28 US US06/791,671 patent/US4723011A/en not_active Expired - Lifetime
-
1986
- 1986-09-16 AR AR86305709A patent/AR241244A1/es active
- 1986-09-30 AT AT86113409T patent/ATE60758T1/de not_active IP Right Cessation
- 1986-09-30 EP EP86113409A patent/EP0220518B1/en not_active Expired - Lifetime
- 1986-10-01 IE IE260586A patent/IE59324B1/en not_active IP Right Cessation
- 1986-10-10 IL IL80284A patent/IL80284A/xx not_active IP Right Cessation
- 1986-10-14 DE DE3634975A patent/DE3634975C2/de not_active Expired - Lifetime
- 1986-10-17 KR KR1019860008743A patent/KR940001774B1/ko not_active IP Right Cessation
- 1986-10-24 JP JP61252107A patent/JPH0768216B2/ja not_active Expired - Lifetime
- 1986-10-24 CA CA000521312A patent/CA1274831A/en not_active Expired - Lifetime
- 1986-10-24 BR BR8605210A patent/BR8605210A/pt not_active IP Right Cessation
- 1986-10-24 DD DD86295575A patent/DD254000A5/de unknown
- 1986-10-27 ZA ZA868167A patent/ZA868167B/xx unknown
- 1986-10-27 CS CS867743A patent/CS259894B2/cs not_active IP Right Cessation
- 1986-10-27 ES ES8602775A patent/ES2000910A6/es not_active Expired
- 1986-10-27 DK DK512586A patent/DK163505C/da not_active IP Right Cessation
- 1986-10-27 AU AU64415/86A patent/AU592379B2/en not_active Expired
- 1986-10-28 HU HU864521A patent/HU198909B/hu unknown
Also Published As
Publication number | Publication date |
---|---|
ZA868167B (en) | 1987-06-24 |
JPS62106081A (ja) | 1987-05-16 |
DK512586A (da) | 1987-04-29 |
IE862605L (en) | 1987-04-28 |
KR870003989A (ko) | 1987-05-06 |
HUT44016A (en) | 1988-01-28 |
ATE60758T1 (de) | 1991-02-15 |
US4723011A (en) | 1988-02-02 |
IE59324B1 (en) | 1994-02-09 |
JPH0768216B2 (ja) | 1995-07-26 |
EP0220518B1 (en) | 1991-02-06 |
IL80284A0 (en) | 1987-01-30 |
CA1274831A (en) | 1990-10-02 |
ES2000910A6 (es) | 1988-03-16 |
DK512586D0 (da) | 1986-10-27 |
BR8605210A (pt) | 1987-07-28 |
DK163505C (da) | 1992-08-24 |
CS259894B2 (en) | 1988-11-15 |
KR940001774B1 (ko) | 1994-03-05 |
DD254000A5 (de) | 1988-02-10 |
DK163505B (da) | 1992-03-09 |
AU6441586A (en) | 1987-04-30 |
AU592379B2 (en) | 1990-01-11 |
DE3634975C2 (de) | 1997-12-18 |
IL80284A (en) | 1990-07-26 |
HU198909B (en) | 1989-12-28 |
EP0220518A2 (en) | 1987-05-06 |
EP0220518A3 (en) | 1988-03-30 |
DE3634975A1 (de) | 1987-04-30 |
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