FR2200241A1 - Esterification of orthohydroxybenzoic acids - with no side reactions, using acid catalysts and primary alcohols - Google Patents

Esterification of orthohydroxybenzoic acids - with no side reactions, using acid catalysts and primary alcohols

Info

Publication number
FR2200241A1
FR2200241A1 FR7334731A FR7334731A FR2200241A1 FR 2200241 A1 FR2200241 A1 FR 2200241A1 FR 7334731 A FR7334731 A FR 7334731A FR 7334731 A FR7334731 A FR 7334731A FR 2200241 A1 FR2200241 A1 FR 2200241A1
Authority
FR
France
Prior art keywords
acid
alcohol
primary alcohols
acids
esterification
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.)
Pending
Application number
FR7334731A
Other languages
French (fr)
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of FR2200241A1 publication Critical patent/FR2200241A1/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2602/00—Systems containing two condensed rings
    • C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
    • C07C2602/04—One of the condensed rings being a six-membered aromatic ring
    • C07C2602/10—One of the condensed rings being a six-membered aromatic ring the other ring being six-membered, e.g. tetraline

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Aromatic o-hydroxycarboxylic acid esters are made by esterifying aromatic o-hydroxycarboxylic acids with primary alcohols in the presence of acid esterification catalysts (a) at temps. >b.pt of the primary alcohol and (b) under such conditions that only a small amt. of the alcohol is present at any time. In a typical process the acid (e.g. sali-cyclic acid) and 1-6 wt.% acid catalyst (H2SO4, benzene sulphonic acid, toluene sulphonic acid etc.) are mixed with excess amt. of alcohol e.g. methanol, ethanol, propanol, n-butanol, isobutanol etc. and the mixt. heated to 80-200 degrees C. A large proportion of the alcohol distils off and the acid melts and forms a soln or suspension. The reaction then proceeds with addn of alcohol continuously while a water/alcohol mixt. distils off.
FR7334731A 1972-09-27 1973-09-27 Esterification of orthohydroxybenzoic acids - with no side reactions, using acid catalysts and primary alcohols Pending FR2200241A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722247309 DE2247309A1 (en) 1972-09-27 1972-09-27 PROCESS FOR PRODUCING AROMATIC O-HYDROXYCARBONIC ACID ALKYLESTER

Publications (1)

Publication Number Publication Date
FR2200241A1 true FR2200241A1 (en) 1974-04-19

Family

ID=5857488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7334731A Pending FR2200241A1 (en) 1972-09-27 1973-09-27 Esterification of orthohydroxybenzoic acids - with no side reactions, using acid catalysts and primary alcohols

Country Status (7)

Country Link
JP (1) JPS4969629A (en)
AR (1) AR199489A1 (en)
BE (1) BE805323A (en)
BR (1) BR7307484D0 (en)
DE (1) DE2247309A1 (en)
FR (1) FR2200241A1 (en)
NL (1) NL7313202A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336199A1 (en) * 1983-10-05 1985-04-25 Hoechst Ag, 6230 Frankfurt Esterification of phenolic group-containing carboxylic acids
DE3400342A1 (en) * 1984-01-07 1985-07-18 Henkel KGaA, 4000 Düsseldorf USE OF SALICYL ACID ESTERS AS A FRAGRANT, THESE COMPOSITIONS CONTAINING IT, AND NEW SALICYL ACID ESTERS

Also Published As

Publication number Publication date
NL7313202A (en) 1974-03-29
JPS4969629A (en) 1974-07-05
BR7307484D0 (en) 1974-08-29
BE805323A (en) 1974-03-26
DE2247309A1 (en) 1974-04-25
AR199489A1 (en) 1974-09-09

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