RU1779240C - Способ получени дикетена - Google Patents

Способ получени дикетена

Info

Publication number
RU1779240C
RU1779240C SU904742731A SU4742731A RU1779240C RU 1779240 C RU1779240 C RU 1779240C SU 904742731 A SU904742731 A SU 904742731A SU 4742731 A SU4742731 A SU 4742731A RU 1779240 C RU1779240 C RU 1779240C
Authority
RU
Russia
Prior art keywords
diketene
sulfur
ketene
dimerization
sulfur dioxide
Prior art date
Application number
SU904742731A
Other languages
English (en)
Russian (ru)
Inventor
Бергамин Ренцо
Куиттманн Уилхелм
Стоффел Иозеф
Original Assignee
Лонца Аг
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 Лонца Аг filed Critical Лонца Аг
Application granted granted Critical
Publication of RU1779240C publication Critical patent/RU1779240C/ru

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D315/00Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/87Preparation of ketenes or dimeric ketenes
    • C07C45/89Preparation of ketenes or dimeric ketenes from carboxylic acids, their anhydrides, esters or halides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/87Preparation of ketenes or dimeric ketenes
    • C07C45/90Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Epoxy Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
SU904742731A 1989-01-05 1990-01-03 Способ получени дикетена RU1779240C (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH30/89A CH676361A5 (enExample) 1989-01-05 1989-01-05

Publications (1)

Publication Number Publication Date
RU1779240C true RU1779240C (ru) 1992-11-30

Family

ID=4177765

Family Applications (1)

Application Number Title Priority Date Filing Date
SU904742731A RU1779240C (ru) 1989-01-05 1990-01-03 Способ получени дикетена

Country Status (8)

Country Link
US (1) US4999438A (enExample)
EP (1) EP0377438B1 (enExample)
JP (1) JP2805930B2 (enExample)
CN (1) CN1025558C (enExample)
CA (1) CA2007048C (enExample)
CH (1) CH676361A5 (enExample)
DE (1) DE59004261D1 (enExample)
RU (1) RU1779240C (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4239117A1 (de) * 1992-11-20 1994-05-26 Wacker Chemie Gmbh Verfahren zur Isolierung von reinem Diketen unter Rückgewinnung von Wertstoffen
CN114160191B (zh) * 2021-12-02 2023-07-14 万华化学集团股份有限公司 一种催化裂化催化剂及其制备方法与应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE700218C (de) * 1937-03-14 1940-12-16 Consortium Elektrochem Ind Verfahren zur Darstellung von Diketen
DE1240847B (de) * 1963-08-02 1967-05-24 Basf Ag Verfahren zur Herstellung von Diketen aus Keten in Gegenwart eines Loesungsmittels und eines sauren Dimerisierungskatalysators
CH421080A (de) * 1963-11-29 1966-09-30 Lonza Ag Verfahren zur Verminderung der Harzbildung bei der Herstellung und Lagerung von Diketen
US4377490A (en) * 1979-06-29 1983-03-22 Sumitomo Chemical Company, Limited Adhesive composition
US4364913A (en) * 1981-09-24 1982-12-21 American Cyanamid Company HNCO Manufacture by adiabatic air oxidation of HCN
US4389386A (en) * 1981-09-24 1983-06-21 American Cyanamid Company HNCO Manufacture by catalytic oxidation of HCN with a Pd doped Ag catalyst

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
D.Borrmann в справочнике Houbenweyl Methoden der organixhen chemie. т.7/4. 1968, s.226,228. Патент DE № 1240847, кл. 12021. 1967. Патент DE № 1268625, кл. 12024, 1952 *

Also Published As

Publication number Publication date
JPH02221267A (ja) 1990-09-04
US4999438A (en) 1991-03-12
DE59004261D1 (de) 1994-03-03
EP0377438B1 (de) 1994-01-19
CH676361A5 (enExample) 1991-01-15
EP0377438A1 (de) 1990-07-11
CN1043931A (zh) 1990-07-18
CA2007048A1 (en) 1990-07-05
CA2007048C (en) 1999-07-27
CN1025558C (zh) 1994-08-03
JP2805930B2 (ja) 1998-09-30

Similar Documents

Publication Publication Date Title
JPH10504563A (ja) ラクチドの製造方法
EP0291361A2 (en) Stabilization of vanadium tetrachloride
US4814505A (en) Purification of n-vinylformamide
JPH07330659A (ja) 純粋グレードのアクリル酸の製造方法
JP2010083780A (ja) 沸点200℃以上の高沸点成分の分離回収方法およびポリアリーレンスルフィドの製造方法
RU1779240C (ru) Способ получени дикетена
US5824195A (en) Process for distilling crude acrylic silane solution
US4554377A (en) Production of N-vinyl carboxylic acid amides
US4283524A (en) Process for polymerization of composition comprising (1) alpha,beta-unsaturated monocarboxylic acid or ammonium salt thereof and (2) ammonia
JPS5848572B2 (ja) 窒化塩化燐ポリマ−の製造方法
JP4356120B2 (ja) 高純度ジアリールカーボネート及びその製造方法
US3912701A (en) Olefin polymerization process
JP2004277363A (ja) アクリルアミドアルカンスルホン酸の精製方法
JPS6027609A (ja) 環式ジクロロホスフアゼンの重合法
EP0283375B1 (fr) Procédé de préparation de polychlorophosphazène
US4591444A (en) Process for exhaustively decontaminating perfluoropolyethereal oils
US5476973A (en) Stable m-vinylphenol composition, and methods of stabilizing and purifying m-vinylphenol
JPH06122661A (ja) N−ビニルホルムアミドの製造法
US4188494A (en) Hydrogen fluoride removal from glycolic acid
RU2144019C1 (ru) Способ получения пентафторйодэтана
JPH1112230A (ja) ジフェニルカーボネートの精製方法
WO2006114432A2 (en) Method for purifying glycolide
SU379563A1 (ru) Способ получепия высокомолекулярного алкенилянтарного ангидрида
RU1826974C (ru) Способ получени олигомерного 1,2-дигидро-2,2,4-триметилхинолина
SU178443A1 (ru) Способ очистки ацетилена