FR2269508A1 - Alpha-haloalkyl carboxylates prepn. - by reaction of an acid, an aldehyde and a group II B metal halide catalyst, in presence of a thionyl halide - Google Patents

Alpha-haloalkyl carboxylates prepn. - by reaction of an acid, an aldehyde and a group II B metal halide catalyst, in presence of a thionyl halide

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Publication number
FR2269508A1
FR2269508A1 FR7414975A FR7414975A FR2269508A1 FR 2269508 A1 FR2269508 A1 FR 2269508A1 FR 7414975 A FR7414975 A FR 7414975A FR 7414975 A FR7414975 A FR 7414975A FR 2269508 A1 FR2269508 A1 FR 2269508A1
Authority
FR
France
Prior art keywords
aldehyde
reaction
acid
prepn
alpha
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.)
Granted
Application number
FR7414975A
Other languages
French (fr)
Other versions
FR2269508B1 (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.)
Castaigne SA
Original Assignee
Castaigne SA
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 Castaigne SA filed Critical Castaigne SA
Priority to FR7414975A priority Critical patent/FR2269508A1/en
Publication of FR2269508A1 publication Critical patent/FR2269508A1/en
Application granted granted Critical
Publication of FR2269508B1 publication Critical patent/FR2269508B1/fr
Granted legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/52Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Haloalkyl carboxylic esters of formula (I) (where X is halogen; R and R1 are H alkyl alkenyl, alkynyl, aryl, cycloalkyl, aralkyl or heterocyclic gp. opt. substd. by gps. such as halo, alkoxycarbonyl, ketone, t-amid, aldehyde, nitrile, -NO, -NO2, sulphone thio-ether or CF3) are prepd. by reaction of an aldehyde R1.CHO in presence of a metallic halide of gp.IIB as catalyst, in which the reaction of the aldehyde is reacted with the acid R.CO2H in presence of an excess of thionyl halide. Carboxylic acids may be used as starting matl. instead of acid chlorides as in known processes. The prods. are intermediates in the synthesis of drugs.
FR7414975A 1974-04-30 1974-04-30 Alpha-haloalkyl carboxylates prepn. - by reaction of an acid, an aldehyde and a group II B metal halide catalyst, in presence of a thionyl halide Granted FR2269508A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7414975A FR2269508A1 (en) 1974-04-30 1974-04-30 Alpha-haloalkyl carboxylates prepn. - by reaction of an acid, an aldehyde and a group II B metal halide catalyst, in presence of a thionyl halide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7414975A FR2269508A1 (en) 1974-04-30 1974-04-30 Alpha-haloalkyl carboxylates prepn. - by reaction of an acid, an aldehyde and a group II B metal halide catalyst, in presence of a thionyl halide

Publications (2)

Publication Number Publication Date
FR2269508A1 true FR2269508A1 (en) 1975-11-28
FR2269508B1 FR2269508B1 (en) 1977-03-04

Family

ID=9138304

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414975A Granted FR2269508A1 (en) 1974-04-30 1974-04-30 Alpha-haloalkyl carboxylates prepn. - by reaction of an acid, an aldehyde and a group II B metal halide catalyst, in presence of a thionyl halide

Country Status (1)

Country Link
FR (1) FR2269508A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143601A2 (en) * 1983-11-25 1985-06-05 Takeda Chemical Industries, Ltd. Method for producing 1-iodoalkyl acylates
EP0504107A2 (en) * 1991-03-11 1992-09-16 Säurefabrik Schweizerhall Process for the preparation of chlorinated esters of carboxylic acids
EP0508943A1 (en) * 1991-03-11 1992-10-14 Säurefabrik Schweizerhall Process for the preparation of halogenated esters of carboxylic acids
FR2703046A1 (en) * 1993-03-26 1994-09-30 Poudres & Explosifs Ste Nale Process for the preparation of alpha -monohalogenated haloglyoxalates and oxalates and new alpha -monohalogenated haloglyoxalates and oxalates

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143601A2 (en) * 1983-11-25 1985-06-05 Takeda Chemical Industries, Ltd. Method for producing 1-iodoalkyl acylates
EP0143601A3 (en) * 1983-11-25 1986-10-08 Takeda Chemical Industries, Ltd. Method for producing 1-iodoalkyl acylates
EP0504107A2 (en) * 1991-03-11 1992-09-16 Säurefabrik Schweizerhall Process for the preparation of chlorinated esters of carboxylic acids
EP0504107A3 (en) * 1991-03-11 1992-09-30 Saeurefabrik Schweizerhall Process for the preparation of halogenated esters of carboxylic acids
EP0508943A1 (en) * 1991-03-11 1992-10-14 Säurefabrik Schweizerhall Process for the preparation of halogenated esters of carboxylic acids
US5171879A (en) * 1991-03-11 1992-12-15 Saurefabrik Schweizerhall Process for the preparation of chlorinated carboxylic acid esters
US5175348A (en) * 1991-03-11 1992-12-29 Saurefabrik Schweizerhall Process for the preparation of halogenated carboxylic acid esters
FR2703046A1 (en) * 1993-03-26 1994-09-30 Poudres & Explosifs Ste Nale Process for the preparation of alpha -monohalogenated haloglyoxalates and oxalates and new alpha -monohalogenated haloglyoxalates and oxalates

Also Published As

Publication number Publication date
FR2269508B1 (en) 1977-03-04

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