GB1428277A - Production of unsaturated acids and esters - Google Patents

Production of unsaturated acids and esters

Info

Publication number
GB1428277A
GB1428277A GB3670773A GB3670773A GB1428277A GB 1428277 A GB1428277 A GB 1428277A GB 3670773 A GB3670773 A GB 3670773A GB 3670773 A GB3670773 A GB 3670773A GB 1428277 A GB1428277 A GB 1428277A
Authority
GB
United Kingdom
Prior art keywords
acid
formaldehyde
esters
ester
alkyl
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
GB3670773A
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 US00277720A external-priority patent/US3840587A/en
Priority claimed from US00277721A external-priority patent/US3840588A/en
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of GB1428277A publication Critical patent/GB1428277A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/353Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/02Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
    • B01J23/04Alkali metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/615100-500 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/617500-1000 m2/g
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

1428277 α,#-Unsaturated acids and esters MONSANTO CO 2 Aug 1973 [3 Aug 1972 (2)] 36707/73 Heading C2C α,#-Unsaturated acids and esters are obtained by condensing at 400‹ to 600‹ C. a compound of Formula I: R-CH 2 -COOR<SP>1</SP>, wherein R is hydrogen or an alkyl, aryl or alicyclic radical and R<SP>1</SP> is hydrogen or an alkyl radical, with formaldehyde in the vapour phase and in the presence of water and a catalyst comprising an alkali metal compound dispersed on a solid carrier, the alkaline supported catalyst having a specific surface area of 350 to 1000 m.<SP>2</SP>/g. (B.E.T.), the feed mole ratio of H 2 O to formaldehyde being from 0À01 : 1 to 10 : 1 and, where R<SP>1</SP> represents alkyl, the feed mole ratio reactant ester : formaldehyde being from 0À1 : 1 to 7À5 : 1 and the alkyl, aryl and alicyclic radicals containing a sufficiently low number of carbon atoms that the products are readily vaporizable without substantial decomposition. The condensation may be effected in the presence of an alkanol R<SP>1</SP>OH (e.g. 1-8 C atoms), the product in the case of an acid starting material then comprising the corresponding unsaturated ester. The formaldehyde may be added as anhydrous paraformaldehyde, trioxane, or as an aqueous or alcoholic solution. Preferred mole ratios of acid starting material I to formaldehyde are 0À1 : 1 to 7À5 : 1, of alkanol to formaldehyde of 0À1 : 1 to 20 : 1 and, in the case of an acid starting material I, of alkanol to acid of 1 : 1 to 5 : 1. The preferred catalyst is KOH dispersed on silica gel. Other specified catalysts are LiOH, NaOH, RbOH, CsOH and alkali metal carbonates and other specified carriers are SiO 2 , Al 2 O 3 and SiO 2 /Al 2 O 3 . Examples prepare acrylic acid and its methyl, ethyl and 2-ethylhexyl esters, methacrylic acid and its methyl ester, α-propyl acrylic acid and its isopropyl ester. Other specified starting materials are butyric acid and its methyl ester, phenylacetic acid and its methyl ester, 2-ethylhexyl acetate and nbutyl and ethyl propionate.
GB3670773A 1972-08-03 1973-08-02 Production of unsaturated acids and esters Expired GB1428277A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00277720A US3840587A (en) 1972-08-03 1972-08-03 Process for the condensation of formaldehyde with carboxylic acids
US00277721A US3840588A (en) 1972-08-03 1972-08-03 Production of unsaturated esters

Publications (1)

Publication Number Publication Date
GB1428277A true GB1428277A (en) 1976-03-17

Family

ID=26958672

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3670773A Expired GB1428277A (en) 1972-08-03 1973-08-02 Production of unsaturated acids and esters

Country Status (7)

Country Link
JP (1) JPS5740130B2 (en)
CA (1) CA1010894A (en)
DE (1) DE2339243A1 (en)
FR (1) FR2194682B1 (en)
GB (1) GB1428277A (en)
IT (1) IT995135B (en)
NL (1) NL7310702A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118588A (en) 1976-04-10 1978-10-03 Basf Aktiengesellschaft Manufacture of methacrylic acid and methyl methacrylate
EP0033881A2 (en) * 1980-02-07 1981-08-19 BASF Aktiengesellschaft Process for producing methyl methacrylate by the reaction of methyl propionate with methanol
WO2003099756A1 (en) * 2002-05-22 2003-12-04 E.I. Du Pont De Nemours And Company A process for making ethylenically unsaturated acids and esters
US9816115B2 (en) 2012-05-28 2017-11-14 Lucite International Uk Limited Process for the production of methyl methacrylate

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430252A (en) * 1982-12-10 1984-02-07 Exxon Research & Engineering Co. Process for synthesizing a multicomponent acidic catalyst composition by an organic solution method
CA1249576A (en) * 1984-06-25 1989-01-31 Gary P. Hagen Coformed catalyst
EP0265964A3 (en) * 1986-10-31 1989-05-31 Mitsubishi Gas Chemical Company, Inc. Process for preparing alpha,beta-unsaturated aliphatic monocarboxylic acids or esters thereof
GB201217541D0 (en) * 2012-10-01 2012-11-14 Lucite Int Uk Ltd A process for production of a silica-supported alkali metal catalyst

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051747A (en) * 1958-03-27 1962-08-28 Dow Chemical Co Synthesis of acrylic acids
US3014958A (en) * 1960-01-15 1961-12-26 Du Pont Preparation of unsaturated esters
GB1107234A (en) * 1965-10-22 1968-03-27 Air Reduction Production of acrylate and methacrylate esters

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118588A (en) 1976-04-10 1978-10-03 Basf Aktiengesellschaft Manufacture of methacrylic acid and methyl methacrylate
EP0033881A2 (en) * 1980-02-07 1981-08-19 BASF Aktiengesellschaft Process for producing methyl methacrylate by the reaction of methyl propionate with methanol
EP0033881A3 (en) * 1980-02-07 1981-12-30 Basf Aktiengesellschaft Process for producing methyl methacrylate by the reaction of methyl propionate with methanol
WO2003099756A1 (en) * 2002-05-22 2003-12-04 E.I. Du Pont De Nemours And Company A process for making ethylenically unsaturated acids and esters
US9816115B2 (en) 2012-05-28 2017-11-14 Lucite International Uk Limited Process for the production of methyl methacrylate

Also Published As

Publication number Publication date
IT995135B (en) 1975-11-10
CA1010894A (en) 1977-05-24
JPS4955612A (en) 1974-05-30
NL7310702A (en) 1974-02-05
FR2194682A1 (en) 1974-03-01
DE2339243A1 (en) 1974-02-14
JPS5740130B2 (en) 1982-08-25
FR2194682B1 (en) 1979-03-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee