BR8500421A - Processo para a obtencao de acetais - Google Patents

Processo para a obtencao de acetais

Info

Publication number
BR8500421A
BR8500421A BR8500421A BR8500421A BR8500421A BR 8500421 A BR8500421 A BR 8500421A BR 8500421 A BR8500421 A BR 8500421A BR 8500421 A BR8500421 A BR 8500421A BR 8500421 A BR8500421 A BR 8500421A
Authority
BR
Brazil
Prior art keywords
acetals
preparation
water
dimethylacetals
methacrolein
Prior art date
Application number
BR8500421A
Other languages
English (en)
Inventor
Juan Andrade
Dietrich Arntz
Michael Kraft
Guenter Prescher
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of BR8500421A publication Critical patent/BR8500421A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups
    • C07C41/50—Preparation of compounds having groups by reactions producing groups
    • C07C41/56—Preparation of compounds having groups by reactions producing groups by condensation of aldehydes, paraformaldehyde, or ketones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups
    • C07C41/58—Separation; Purification; Stabilisation; Use of additives
BR8500421A 1984-02-01 1985-01-30 Processo para a obtencao de acetais BR8500421A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843403426 DE3403426A1 (de) 1984-02-01 1984-02-01 Verfahren zur herstellung von acetalen

Publications (1)

Publication Number Publication Date
BR8500421A true BR8500421A (pt) 1985-09-10

Family

ID=6226447

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8500421A BR8500421A (pt) 1984-02-01 1985-01-30 Processo para a obtencao de acetais

Country Status (9)

Country Link
US (1) US4579979A (pt)
EP (1) EP0150280B1 (pt)
JP (1) JPS60188338A (pt)
AT (1) ATE53830T1 (pt)
BR (1) BR8500421A (pt)
CA (1) CA1236487A (pt)
DD (1) DD232485A5 (pt)
DE (2) DE3403426A1 (pt)
ES (1) ES8601831A1 (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3602253A1 (de) * 1986-01-25 1987-07-30 Basf Ag Verfahren zur herstellung von 4-monoacetalen des 2-methyl-2-buten-1,4-dials
JPH04178344A (ja) * 1990-11-13 1992-06-25 Mitsubishi Rayon Co Ltd α，β―不飽和アセタール類の製造法
FR2698872B1 (fr) * 1992-12-07 1995-01-13 Rhone Poulenc Nutrition Animal Procédé de préparation de la vitamine A et composés intermédiaires utiles pour ce procédé.
DE4431994A1 (de) * 1994-09-08 1996-03-14 Degussa Verfahren zur Herstellung von 1,1,3-Trialkoxypropan
ES2110366B1 (es) * 1995-11-08 1999-05-16 Univ Valencia Politecnica Procedimiento y catalizadores para la obtencion selectiva de acetales.
CA2252546A1 (en) * 1996-04-26 1997-11-06 Hans Karel Theresia Goris Process for the manufacture of oxygenates
US6191308B1 (en) 1996-04-26 2001-02-20 Exxon Chemical Patents Inc. Process for the manufacture of oxygenates
DE19956531A1 (de) * 1998-11-27 2000-05-31 Hyundai Electronics Ind Vernetzer für ein Photoresist und diesen enthaltende Photoresistzusammensetzung
FR2795719B1 (fr) * 1999-06-29 2003-05-30 Inst Francais Du Petrole Procede de production de composes oxygenes contenant au moins un atome d'oxygene lie a deux atomes de carbone distincts, non lies entre eux et ne comportant pas de liaison multiple
WO2002044118A1 (fr) * 2000-11-28 2002-06-06 Kyowa Yuka Co., Ltd. Procede de production d'acetal
PT103123A (pt) * 2004-05-19 2005-11-30 Univ Do Porto Processo industrial de producao de acetais num reactor adsorptivo de leito movel simulado
US7534922B2 (en) * 2004-12-13 2009-05-19 Ticona Gmbh Processes for the manufacture of acetals
JP4961723B2 (ja) * 2004-12-27 2012-06-27 住友化学株式会社 アセタール類の製造方法
JP2006289158A (ja) * 2005-04-05 2006-10-26 Mitsubishi Heavy Ind Ltd アセタール合成触媒及びアセタール製造方法
CN108083994A (zh) * 2011-07-06 2018-05-29 帝斯曼知识产权资产管理有限公司 制备缩醛和缩酮的方法
DE102014112021A1 (de) * 2014-08-22 2016-02-25 Karlsruher Institut für Technologie Verfahren zur Herstellung von Oxymethylendialkylethern und deren Verwendung
CN105833905B (zh) * 2016-04-12 2018-08-07 沈阳化工大学 一种利用酯溶剂处理聚苯乙烯磺酸树脂催化剂的方法
CN105749991B (zh) * 2016-04-12 2018-05-04 沈阳化工大学 一种合成聚甲氧基二甲醚的磺酸树脂催化剂改性方法
CN105833904B (zh) * 2016-04-12 2018-08-07 沈阳化工大学 一种聚甲氧基二甲醚的磺酸树脂催化剂改性方法
CN105833907B (zh) * 2016-04-12 2018-09-11 沈阳化工大学 一种高效合成合成聚甲氧基二甲醚的磺酸树脂催化剂的方法
CN105817262B (zh) * 2016-04-12 2018-08-07 沈阳化工大学 一种利用砜溶剂处理聚苯乙烯磺酸树脂催化剂的方法
CN105833906B (zh) * 2016-04-12 2018-09-11 沈阳化工大学 一种高效磺酸树脂催化剂改性方法
JP7245821B2 (ja) * 2017-09-11 2023-03-24 ダウ グローバル テクノロジーズ エルエルシー メタクロレインジメチルアセタールからメタクロレインおよびメタノールを回収するための方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137738A (en) * 1964-06-16 Acetal production
GB625131A (en) * 1946-09-18 1949-06-22 Distillers Co Yeast Ltd Improvements in or relating to the manufacture of diethyl acetal
GB970371A (en) * 1961-01-24 1964-09-23 Shell Int Research Preparation of acetals of alkenals
US3641163A (en) * 1969-08-14 1972-02-08 Continental Oil Co Process for preparing dimethylacetal
JPS4857908A (pt) * 1971-11-26 1973-08-14
JPS5636425A (en) * 1979-09-03 1981-04-09 Daicel Chem Ind Ltd Preparation of acetaldehyde dimethyl acetal
JPS5790873A (en) * 1980-11-28 1982-06-05 Shin Kobe Electric Mach Co Ltd Lattice structure of storage battery
JPS5832838A (ja) * 1981-08-24 1983-02-25 Daicel Chem Ind Ltd メチルビニルエ−テルの連続的製造法
DE3142487A1 (de) * 1981-10-27 1983-05-05 Chemische Werke Hüls AG, 4370 Marl Verfahren zur herstellung von methacrylsaeure aus isobutyraldehyd

Also Published As

Publication number Publication date
US4579979A (en) 1986-04-01
JPS60188338A (ja) 1985-09-25
CA1236487A (en) 1988-05-10
ES538320A0 (es) 1985-11-01
JPS6259097B2 (pt) 1987-12-09
DE3403426A1 (de) 1985-08-01
DE3482108D1 (de) 1990-06-07
DD232485A5 (de) 1986-01-29
EP0150280A3 (en) 1986-07-30
ATE53830T1 (de) 1990-06-15
ES8601831A1 (es) 1985-11-01
EP0150280A2 (de) 1985-08-07
EP0150280B1 (de) 1990-05-02

Similar Documents

Publication Publication Date Title
BR8500421A (pt) Processo para a obtencao de acetais
DK0412337T3 (da) Fremgangsmåde til fremstilling af 1,3-propandiol
RU95103432A (ru) Способ получения бисфенолов
EP0252365A3 (en) Process for the condensation of aldehydes
ATE37708T1 (de) Verfahren zur herstellung von 2-alkyl-1,4butandial.
ES538662A0 (es) Procedimiento para preparar 1,4-butanodial a partir de acroleina
ES2040608T3 (es) Procedimiento para la produccion de mezclas de acetales ciclicos de acroleina con glicerol.
JPS56161391A (en) Preparation of dibenzylidenesorbitol and dibenzylidenexylitol
JPS5495535A (en) Production of ketone and lactone
JPS5695142A (en) Preparation of aliphatic aldehyde
JPS56128729A (en) Preparation of benzyl-beta-dimethyl ketal
EP0497976A4 (en) Method of producing acetals
MX162345A (es) Proceso mejorado para preparar metil ter-butil eter en dos etapas
FR2349560A1 (fr) Procede d'obtention d'ether diisopropylique en continu
JPS5427507A (en) Preparation of tertiary butyl alcohol
Sato et al. Organotin-mediated preparation of monothioacetals
JPS5430104A (en) Continuous production of tertiary butyl alcohol
SU443021A1 (ru) Способ получени бета-алкоксипропионовых альдегидов с разветвленной эфирной группой
DE50006894D1 (de) Verfahren zur Herstellung von 1,3-Propandiol
ATE9684T1 (de) Verfahren zur herstellung von polyethylenglykolcarbonsaeuren.
Karimov et al. Sulfonic acid catalysts derived from lignosulfonates
JPS5675448A (en) Preparation of cis-3-alkenals
JPS57142938A (en) Preparation of pinacolone
JPS5746933A (en) Preparation of 1-alkoxy-2-propanone
JPS57192380A (en) Preparation of 4-alkoxy-1,3-dioxane-5-carbonitriles

Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 30/01/2000