HUP9801312A2 - Eljárás 3,3-dimetil-vajsav előállítására - Google Patents

Eljárás 3,3-dimetil-vajsav előállítására

Info

Publication number
HUP9801312A2
HUP9801312A2 HU9801312A HUP9801312A HUP9801312A2 HU P9801312 A2 HUP9801312 A2 HU P9801312A2 HU 9801312 A HU9801312 A HU 9801312A HU P9801312 A HUP9801312 A HU P9801312A HU P9801312 A2 HUP9801312 A2 HU P9801312A2
Authority
HU
Hungary
Prior art keywords
dimethyl
producing
butyric acid
diluent
treated
Prior art date
Application number
HU9801312A
Other languages
English (en)
Inventor
Uwe Stelzer
Original Assignee
Bayer Ag.
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 Bayer Ag. filed Critical Bayer Ag.
Publication of HU9801312D0 publication Critical patent/HU9801312D0/hu
Publication of HUP9801312A2 publication Critical patent/HUP9801312A2/hu
Publication of HUP9801312A3 publication Critical patent/HUP9801312A3/hu

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups

Landscapes

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

Abstract

A találmány tárgya eljárás (I) képletű 3,3-dimetil-vajsavelőállítására őly módőn, hőgy trimetil-pirőszőlősavat adőtt esetbenhígítószer jelenlétében hidrazin-hidráttal kezelnek, és a kapőtthidrazőnt adőtt esetben hígítószer jelenlétében bázissal kezelik. ŕ
HU9801312A 1997-06-11 1998-06-10 Process for producing 3,3-dimethyl-butyric acid HUP9801312A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19724584A DE19724584A1 (de) 1997-06-11 1997-06-11 Verfahren zur Herstellung von 3,3-Dimethylbuttersäure

Publications (3)

Publication Number Publication Date
HU9801312D0 HU9801312D0 (en) 1998-08-28
HUP9801312A2 true HUP9801312A2 (hu) 1999-03-29
HUP9801312A3 HUP9801312A3 (en) 1999-04-28

Family

ID=7832129

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9801312A HUP9801312A3 (en) 1997-06-11 1998-06-10 Process for producing 3,3-dimethyl-butyric acid

Country Status (11)

Country Link
US (1) US5907060A (hu)
EP (1) EP0884299B1 (hu)
JP (1) JPH11228485A (hu)
KR (1) KR19990006445A (hu)
BR (1) BR9802373A (hu)
DE (2) DE19724584A1 (hu)
DK (1) DK0884299T3 (hu)
ES (1) ES2182177T3 (hu)
HU (1) HUP9801312A3 (hu)
IL (1) IL124820A0 (hu)
ZA (1) ZA985008B (hu)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6573409B1 (en) 1999-07-02 2003-06-03 The Nutrasweet Company Process for the preparation of 3,3-dimethylbutanal
US6686501B2 (en) * 2002-02-05 2004-02-03 Bayer Corporation Processes for preparing 3.3-dimethylbutyric acid
DE10339857A1 (de) 2003-08-29 2005-03-24 Daimlerchrysler Ag Brennkraftmaschine mit einer Motorbremseinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2004066A (en) * 1933-04-17 1935-06-04 Mallinckrodt Chemical Works Tertiary butyl acetic acid
SE7411096L (hu) * 1973-09-11 1975-03-12 Sandoz Ag
US4182896A (en) * 1974-02-07 1980-01-08 Societe Hexachimie Indane derivatives
JPS63222130A (ja) * 1987-03-10 1988-09-16 Sumitomo Chem Co Ltd ３，３−ジメチル酪酸及びｔｅｒｔ．−ブチルクロライドの併産方法
JPH07258416A (ja) * 1994-03-23 1995-10-09 Dow Corning Kk 両末端官能性ジフェニルシロキサンオリゴマー化合物およびその製造方法

Also Published As

Publication number Publication date
HU9801312D0 (en) 1998-08-28
DK0884299T3 (da) 2003-02-17
ES2182177T3 (es) 2003-03-01
BR9802373A (pt) 1999-06-29
DE19724584A1 (de) 1998-12-17
EP0884299A1 (de) 1998-12-16
HUP9801312A3 (en) 1999-04-28
EP0884299B1 (de) 2002-10-23
KR19990006445A (ko) 1999-01-25
JPH11228485A (ja) 1999-08-24
US5907060A (en) 1999-05-25
IL124820A0 (en) 1999-01-26
ZA985008B (en) 1999-01-18
DE59806017D1 (de) 2002-11-28

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