ES457434A1 - Procedimiento para la preparacion de acido 2-cloronicotinicode color blanco puro. - Google Patents

Procedimiento para la preparacion de acido 2-cloronicotinicode color blanco puro.

Info

Publication number
ES457434A1
ES457434A1 ES457434A ES457434A ES457434A1 ES 457434 A1 ES457434 A1 ES 457434A1 ES 457434 A ES457434 A ES 457434A ES 457434 A ES457434 A ES 457434A ES 457434 A1 ES457434 A1 ES 457434A1
Authority
ES
Spain
Prior art keywords
chloronicotinic acid
production
pure white
chloronicotinic
acid
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.)
Expired
Application number
ES457434A
Other languages
English (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.)
Lonza AG
Original Assignee
Lonza 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
Application filed by Lonza AG filed Critical Lonza AG
Publication of ES457434A1 publication Critical patent/ES457434A1/es
Expired legal-status Critical Current

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
    • C07D213/60—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
    • 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)

Abstract

Procedimiento para la preparación de ácido 2-cloronicotínico de color blanco puro, a partir de N-óxido de ácido nicotínico, caracterizado porque el cloruro de ácido 2-cloronicotínico se separa de la mezcla de reacción por destilación.
ES457434A 1976-04-02 1977-04-01 Procedimiento para la preparacion de acido 2-cloronicotinicode color blanco puro. Expired ES457434A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH412476A CH617680A5 (es) 1976-04-02 1976-04-02

Publications (1)

Publication Number Publication Date
ES457434A1 true ES457434A1 (es) 1978-02-16

Family

ID=4270267

Family Applications (1)

Application Number Title Priority Date Filing Date
ES457434A Expired ES457434A1 (es) 1976-04-02 1977-04-01 Procedimiento para la preparacion de acido 2-cloronicotinicode color blanco puro.

Country Status (11)

Country Link
US (1) US4144238A (es)
JP (1) JPS52122377A (es)
CH (1) CH617680A5 (es)
DD (1) DD128779A5 (es)
DE (1) DE2713316A1 (es)
DK (1) DK146277A (es)
ES (1) ES457434A1 (es)
FR (1) FR2346333A1 (es)
GB (1) GB1511636A (es)
IT (1) IT1086878B (es)
SE (1) SE7703617L (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504665A (en) * 1982-04-12 1985-03-12 Ishihara Sangyo Kaisha Ltd. Process for producing chloronicotinic acid compounds
DE3840954A1 (de) * 1988-12-05 1990-06-07 Shell Int Research Herstellung von 2-chlornicotinsaeureestern
ZA931855B (en) * 1992-03-20 1993-10-05 Lonza Ag A process for producing aromatic, nitrogen containing, heterocyclic carboxylic acid chlorides
DE19834565A1 (de) * 1998-07-31 2000-02-03 Basf Ag Verfahren zur Herstellung von 2-Halogennikotinsäurederivaten sowie neue 2-Chlornikotinsäureester
CN101817781B (zh) * 2010-01-21 2012-05-30 浙江工业大学 一种2-氯烟酸的合成方法
CN106187876A (zh) * 2016-07-13 2016-12-07 南京红太阳生物化学有限责任公司 一种2‑氯烟酸的合成方法
CN109836376B (zh) * 2019-04-10 2022-03-22 江苏汉阔生物有限公司 一种以2，3-吡啶二羧酸为原料制备2-氯代烟酸的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD80209A (es) *

Also Published As

Publication number Publication date
US4144238A (en) 1979-03-13
DK146277A (da) 1977-10-03
FR2346333B1 (es) 1982-06-04
GB1511636A (en) 1978-05-24
DE2713316A1 (de) 1977-10-27
CH617680A5 (es) 1980-06-13
FR2346333A1 (fr) 1977-10-28
IT1086878B (it) 1985-05-31
JPS52122377A (en) 1977-10-14
SE7703617L (sv) 1977-10-03
DD128779A5 (de) 1977-12-07

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971103