CA2026438A1 - Preparation de vinylcetones a partir d'acetones et de paraformaldehyde - Google Patents

Preparation de vinylcetones a partir d'acetones et de paraformaldehyde

Info

Publication number
CA2026438A1
CA2026438A1 CA2026438A CA2026438A CA2026438A1 CA 2026438 A1 CA2026438 A1 CA 2026438A1 CA 2026438 A CA2026438 A CA 2026438A CA 2026438 A CA2026438 A CA 2026438A CA 2026438 A1 CA2026438 A1 CA 2026438A1
Authority
CA
Canada
Prior art keywords
ketones
unsaturated ketones
paraformaldehyde
acetone
preparation
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
CA2026438A
Other languages
English (en)
Other versions
CA2026438C (fr
Inventor
Joseph Pugach
Jeffrey S. Salek
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.)
Braskem America Inc
Original Assignee
Aristech Chemical Corp
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 Aristech Chemical Corp filed Critical Aristech Chemical Corp
Publication of CA2026438A1 publication Critical patent/CA2026438A1/fr
Application granted granted Critical
Publication of CA2026438C publication Critical patent/CA2026438C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/75—Reactions with formaldehyde

Landscapes

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

Abstract

Les cétones insaturées sont produites à partir de cétones et de paraformaldéhyde dans des conditions de réaction douces utilisant un catalyseur comprenant un sel acide d'halogène d'une amine secondaire et un oxyde solide non soluble d'un élément choisi parmi les groupes IB, IIIA, IVA, IVB, VA, VB, VIB et VIII du tableau périodique. Une température variant de 120 à 150 et une pression de 700 à 1 200 kpa sont jugées préférables, les sous-produits peuvent comprendre des cétones di-insaturées comme la divinylcétone; les cétones insaturées, comme la méthylvinylcétone, sont utiles pour conférer aux plastiques une sensibilité aux ultraviolets qui en accroît la dégradabilité.
CA002026438A 1989-10-23 1990-05-23 Preparation de vinylcetones a partir d'acetones et de paraformaldehyde Expired - Fee Related CA2026438C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US42526989A 1989-10-23 1989-10-23
US425,269 1989-10-23
US508,454 1990-04-13
US07/508,454 US5004839A (en) 1989-10-23 1990-04-13 Preparation of unsaturated ketones from acetone and paraformaldehyde (II)

Publications (2)

Publication Number Publication Date
CA2026438A1 true CA2026438A1 (fr) 1991-04-24
CA2026438C CA2026438C (fr) 1997-11-18

Family

ID=27026626

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002026438A Expired - Fee Related CA2026438C (fr) 1989-10-23 1990-05-23 Preparation de vinylcetones a partir d'acetones et de paraformaldehyde

Country Status (7)

Country Link
US (1) US5004839A (fr)
EP (1) EP0450008B1 (fr)
JP (1) JP2829116B2 (fr)
AT (1) ATE141582T1 (fr)
CA (1) CA2026438C (fr)
DE (1) DE69028199T2 (fr)
WO (1) WO1991005758A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5072051A (en) * 1989-06-19 1991-12-10 Aristech Chemical Corporation Preparation of methyl isopropenyl ketone
US5144088A (en) * 1991-04-26 1992-09-01 Aristech Chemical Corporation Manufacture of neopentyl glycol (I)
EP0543970B1 (fr) * 1991-06-17 1996-08-28 Aristech Chemical Corporation Fabrication de neopentylglycol (iia)
US6274348B1 (en) 1992-05-19 2001-08-14 Xoma Corporation Methods for the preparation of positively charged proteins
AU4382193A (en) * 1992-05-19 1993-12-13 Xoma Corporation BPI-immunoglobulin fusion proteins
US5637774A (en) * 1995-09-29 1997-06-10 Eastman Chemical Company Process for the production of vinyl carbonyls
DE19959053A1 (de) * 1999-12-07 2001-06-13 Basf Ag Verfahren zur Herstellung von Ketonen, insbesondere von 6-Methylheptan-2-on

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2064564A (en) * 1935-07-03 1936-12-15 Union Carbide & Carbon Corp Preparation of monomethylol ketones
FR832072A (fr) * 1937-02-06 1938-09-20 Ig Farbenindustrie Ag Procédé pour préparer des aldéhydes, cétones et alcools à poids moléculaire élevé
US2309727A (en) * 1938-12-06 1943-02-02 Du Pont Furyl vinyl ketone and its alpha alkyl substituted vinyl analogues
FR870204A (fr) * 1939-03-14 1942-03-05 Degussa Procédé pour préparer des cétones non saturées présentant un groupe vinyle extrême
US2245567A (en) * 1939-06-23 1941-06-17 Eastman Kodak Co Manufacture of unsaturated ketones
US2462031A (en) * 1945-06-16 1949-02-15 Gen Mills Inc Condensation of ketones with formaldehyde
US2451351A (en) * 1945-12-13 1948-10-12 Standard Oil Dev Co Production of unsaturated ketones
US2549508A (en) * 1948-10-15 1951-04-17 Standard Oil Dev Co Preparation of unsaturated ketones and aldehydes
US3578702A (en) * 1965-12-03 1971-05-11 Eastman Kodak Co Process for producing alpha,beta-unsaturated organic compounds
US3592856A (en) * 1966-12-14 1971-07-13 Mobil Oil Corp Condensation reactions with boric acid
US3928458A (en) * 1969-11-21 1975-12-23 Eastman Kodak Co Synthesis of alpha, beta-unsaturated esters, aldehydes, ketones and nitriles
BE789849A (fr) * 1971-10-13 1973-04-09 Basf Ag Procede de preparation de cetones alpha-ethyleniques
US3928457A (en) * 1972-10-10 1975-12-23 Hoffmann La Roche Acid catalyzed, liquid phase preparation of methyl vinyl ketone
US4035395A (en) * 1974-08-02 1977-07-12 Bayer Aktiengesellschaft Process for the preparation of ketones
DE2941386A1 (de) * 1979-10-12 1981-05-21 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von a-methylsubstituierten carbonylverbindungen
JPS574930A (en) * 1980-05-02 1982-01-11 Nippon Soda Co Ltd Synthesis of alpha,beta-unsaturated ketone

Also Published As

Publication number Publication date
EP0450008B1 (fr) 1996-08-21
DE69028199T2 (de) 1997-01-16
EP0450008A4 (en) 1993-03-10
JPH03184937A (ja) 1991-08-12
ATE141582T1 (de) 1996-09-15
US5004839A (en) 1991-04-02
JP2829116B2 (ja) 1998-11-25
DE69028199D1 (de) 1996-09-26
EP0450008A1 (fr) 1991-10-09
WO1991005758A1 (fr) 1991-05-02
CA2026438C (fr) 1997-11-18

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Legal Events

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