IT1038659B - Processo per l ottenimento di acidi 2 idrossinaftalincarbossili ci da miscele di reazione dei sali alcalini della idrossinaftalina con biossido di carbonio - Google Patents

Processo per l ottenimento di acidi 2 idrossinaftalincarbossili ci da miscele di reazione dei sali alcalini della idrossinaftalina con biossido di carbonio

Info

Publication number
IT1038659B
IT1038659B IT23977/75A IT2397775A IT1038659B IT 1038659 B IT1038659 B IT 1038659B IT 23977/75 A IT23977/75 A IT 23977/75A IT 2397775 A IT2397775 A IT 2397775A IT 1038659 B IT1038659 B IT 1038659B
Authority
IT
Italy
Prior art keywords
hydroxynaphalycarbossil
hydroxynaphaline
mixtures
acids
obtaining
Prior art date
Application number
IT23977/75A
Other languages
English (en)
Original Assignee
Hoechst 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 claimed from DE19742426852 external-priority patent/DE2426852C3/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT1038659B publication Critical patent/IT1038659B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT23977/75A 1974-06-04 1975-06-03 Processo per l ottenimento di acidi 2 idrossinaftalincarbossili ci da miscele di reazione dei sali alcalini della idrossinaftalina con biossido di carbonio IT1038659B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742426852 DE2426852C3 (de) 1974-06-04 Verfahren zur Gewinnung von 2-Hydroxynaphthalincarbonsäuren aus den Umsetzungsgemischen der Alkalisalze des 2-Hydroxynaphthalins mit Kohlendioxid

Publications (1)

Publication Number Publication Date
IT1038659B true IT1038659B (it) 1979-11-30

Family

ID=5917242

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23977/75A IT1038659B (it) 1974-06-04 1975-06-03 Processo per l ottenimento di acidi 2 idrossinaftalincarbossili ci da miscele di reazione dei sali alcalini della idrossinaftalina con biossido di carbonio

Country Status (10)

Country Link
US (1) US4057576A (it)
JP (1) JPS514153A (it)
BE (1) BE829868A (it)
CH (1) CH599096A5 (it)
DK (1) DK248275A (it)
FR (1) FR2273792A1 (it)
GB (1) GB1507053A (it)
IT (1) IT1038659B (it)
LU (1) LU72627A1 (it)
NL (1) NL7506445A (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4239913A (en) * 1977-10-25 1980-12-16 Kabushiki Kaisha Veno Seiyaku Oyo Kenkyujo Process for preparing 2-hydroxynaphthalenecarboxylic acids
DE2911667A1 (de) * 1979-03-24 1980-10-02 Hoechst Ag Verfahren zur gewinnung von 2-hydroxynaphthalin-3-carbonsaeure aus den umsetzungsgemischen der alkalisalze des 2-hydroxynaphthalins mit kohlendioxid
DE3307637A1 (de) * 1983-03-04 1984-09-06 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von reinen 1-hydroxy-2-naphtoesaeurealkylestern
JPS61202376U (it) * 1985-06-11 1986-12-19
JPS61202375U (it) * 1985-06-11 1986-12-19
JPS61202374U (it) * 1985-06-11 1986-12-19
JPS62557U (it) * 1985-06-17 1987-01-06
JPS6213861U (it) * 1985-07-11 1987-01-27
JPS6213859U (it) * 1985-07-11 1987-01-27
JPS6213862U (it) * 1985-07-11 1987-01-27
JPS6213860U (it) * 1985-07-11 1987-01-27
DE3800989A1 (de) * 1988-01-15 1989-07-27 Hoechst Ag Verfahren zur reinigung von 2-hydroxy-naphthalin-6-carbonsaeure
US5075496A (en) * 1990-12-14 1991-12-24 Aristech Chemical Corporation Manufacture of 2,6-hydroxynaphthoic acid
JPH10265434A (ja) * 1997-03-21 1998-10-06 Ueno Seiyaku Oyo Kenkyusho:Kk ヒドロキシナフタレンカルボン酸類のアルカリ金属塩の分離精製法
TW527451B (en) * 1999-08-24 2003-04-11 Ueno Seiyaku Oyo Kenkyujo Kk Columnar crystals of 6-hydroxy-2-naphthoic acid and process for manufacturing the same
CN104892406B (zh) * 2015-06-09 2016-08-03 温州泓呈祥科技有限公司 一种2-羟基-3-萘甲酸的工业制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2132356A (en) * 1937-04-29 1938-10-04 Calco Chemical Co Inc Carboxylation of alkali metal salts of phenols
US2534022A (en) * 1948-04-05 1950-12-12 Tewin Ind Inc Manufacture of salts of 2:1-hydroxynaphthoic acid
US2544881A (en) * 1949-09-13 1951-03-13 Du Pont Preparation of anhydrous sodium beta-naphtholate and carbonation thereof
US2807643A (en) * 1953-02-09 1957-09-24 Shell Dev Preparation of aromatic acids and salts thereof
US3228963A (en) * 1961-12-22 1966-01-11 Union Oil Co Process for purification of complex acids
US3405169A (en) * 1965-07-14 1968-10-08 Universal Oil Prod Co Process for the preparation of hydroxy naphthoic acids
US3405170A (en) * 1965-07-14 1968-10-08 Universal Oil Prod Co Process for the preparation of hydroxy naphthoic acids
DE1643537B2 (de) * 1966-08-16 1976-09-16 Toray Industries, Inc., Tokio Verfahren zur herstellung von metallsalzen aromatischer hydroxycarbonsaeuren oder deren freie saeuren

Also Published As

Publication number Publication date
US4057576A (en) 1977-11-08
FR2273792A1 (fr) 1976-01-02
DE2426852B2 (de) 1977-05-18
FR2273792B1 (it) 1978-10-13
JPS514153A (en) 1976-01-14
DE2426852A1 (de) 1976-01-02
BE829868A (fr) 1975-12-04
GB1507053A (en) 1978-04-12
DK248275A (da) 1975-12-05
NL7506445A (nl) 1975-12-08
LU72627A1 (it) 1977-03-03
CH599096A5 (it) 1978-05-12

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