SE7805275L - P-hydroxifenylettiksyra och sett for dess framstellning - Google Patents

P-hydroxifenylettiksyra och sett for dess framstellning

Info

Publication number
SE7805275L
SE7805275L SE7805275A SE7805275A SE7805275L SE 7805275 L SE7805275 L SE 7805275L SE 7805275 A SE7805275 A SE 7805275A SE 7805275 A SE7805275 A SE 7805275A SE 7805275 L SE7805275 L SE 7805275L
Authority
SE
Sweden
Prior art keywords
acid
preparation
hydroxyphenyletic
kit
beta
Prior art date
Application number
SE7805275A
Other languages
English (en)
Other versions
SE441525B (sv
Inventor
P N Edwards
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Priority claimed from BE187882A external-priority patent/BE867289A/xx
Publication of SE7805275L publication Critical patent/SE7805275L/sv
Publication of SE441525B publication Critical patent/SE441525B/sv

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
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SE7805275A 1978-05-19 1978-05-09 P-hydroxifenylettiksyra SE441525B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE187882A BE867289A (fr) 1978-05-19 1978-05-19 Procede de reduction

Publications (2)

Publication Number Publication Date
SE7805275L true SE7805275L (sv) 1979-11-10
SE441525B SE441525B (sv) 1985-10-14

Family

ID=3843116

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7805275A SE441525B (sv) 1978-05-19 1978-05-09 P-hydroxifenylettiksyra

Country Status (7)

Country Link
US (1) US4198526A (sv)
JP (1) JPS54148746A (sv)
CH (1) CH633513A5 (sv)
DE (1) DE2820854C2 (sv)
FR (1) FR2426669A1 (sv)
NL (1) NL7805438A (sv)
SE (1) SE441525B (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944480A1 (de) * 1979-11-03 1981-05-27 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von phenylessigsaeure und von deren einfachen derivaten
JPS5699440A (en) * 1980-01-11 1981-08-10 Ube Ind Ltd Preparation of 3-alkoxy-4-hydroxyphenylacetic acid
DE3001511C2 (de) * 1980-01-17 1982-04-01 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von p-Hydroxyphenylessigsäure
US4393235A (en) * 1980-06-11 1983-07-12 Imperial Chemical Industries Plc Process for producing p-hydroxyphenyl/acetic acid
US4337355A (en) * 1980-06-20 1982-06-29 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for preparing 4-hydroxyphenylacetic acid
IN170870B (sv) * 1989-10-26 1992-06-06 Ici India Ltd
HU209251B (en) * 1992-03-13 1994-04-28 Synepos Ag Process for producing stable, peroral solution drug forms with controlled release of active ingredient and comprising beta-blocking pharmacons
FR2705669B1 (fr) * 1993-05-28 1995-08-25 Hoechst France Procédé de préparation d'acides hydroxyphénylacétiques.
CN102557917A (zh) * 2010-12-21 2012-07-11 湖北康静生物科技有限公司 一种制备2,4,6-三甲基苯乙酸的方法
CN107445823B (zh) * 2017-08-29 2020-06-09 常州沃腾化工科技有限公司 一种3，4，5-三甲氧基苯乙酸的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1110272A (en) * 1978-02-20 1981-10-06 Normann Kaniss 4-hydroxy phenylacetic acid

Also Published As

Publication number Publication date
CH633513A5 (de) 1982-12-15
NL7805438A (nl) 1979-11-21
JPS54148746A (en) 1979-11-21
FR2426669A1 (fr) 1979-12-21
DE2820854C2 (de) 1986-05-07
FR2426669B1 (sv) 1984-01-20
DE2820854A1 (de) 1979-11-22
JPS6127381B2 (sv) 1986-06-25
SE441525B (sv) 1985-10-14
US4198526A (en) 1980-04-15

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