NO20040461L - Fremgangsmate til fremstilling av ketaler - Google Patents

Fremgangsmate til fremstilling av ketaler

Info

Publication number
NO20040461L
NO20040461L NO20040461A NO20040461A NO20040461L NO 20040461 L NO20040461 L NO 20040461L NO 20040461 A NO20040461 A NO 20040461A NO 20040461 A NO20040461 A NO 20040461A NO 20040461 L NO20040461 L NO 20040461L
Authority
NO
Norway
Prior art keywords
ketals
preparation
chlorohydrogen
triacetonamine
triacetone
Prior art date
Application number
NO20040461A
Other languages
English (en)
Inventor
Oliver Meyer
Michael Korell
Renate Uhlenberg
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 NO20040461L publication Critical patent/NO20040461L/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/10—Spiro-condensed systems

Landscapes

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

Abstract

Oppfinnelsen angår en fremgangsmåte til ketalisering av triacetonamin, hvor triaceton og et hydroksyderivat, fortrinnsvis en én- eller flerverdig alkohol, omsettes med gassformet klorhydrogen til åpenkjedet eller syklisk ketal.
NO20040461A 2003-02-01 2004-02-02 Fremgangsmate til fremstilling av ketaler NO20040461L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10304055A DE10304055A1 (de) 2003-02-01 2003-02-01 Verfahren zur Herstellung von Ketalen

Publications (1)

Publication Number Publication Date
NO20040461L true NO20040461L (no) 2004-08-02

Family

ID=32603094

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20040461A NO20040461L (no) 2003-02-01 2004-02-02 Fremgangsmate til fremstilling av ketaler

Country Status (7)

Country Link
US (1) US7390930B2 (no)
EP (1) EP1443049B1 (no)
AT (1) ATE292130T1 (no)
DE (2) DE10304055A1 (no)
MX (1) MXPA03009027A (no)
NO (1) NO20040461L (no)
PL (1) PL209007B1 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017018153A1 (ja) * 2015-07-24 2017-02-02 Dic株式会社 安定剤化合物、液晶組成物および表示素子
JP6260743B2 (ja) * 2015-08-07 2018-01-17 Dic株式会社 液晶組成物及びそれを使用した液晶表示素子

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839273A (en) * 1971-11-13 1974-10-01 Sankyo Co N-substituted piperidine derivatives, process for preparing the same and their use as stabilizers
US3790525A (en) * 1972-01-21 1974-02-05 Sankyo Co 4-piperidone ketal derivatives,their preparation and their use as stabilizers
US3862100A (en) * 1972-12-13 1975-01-21 Firestone Tire & Rubber Co Alkali metal aliphatic and aromatic hydrocarbon acetals and ketals and their use as polymerization initiators, etc.
US3940401A (en) 1973-03-01 1976-02-24 Sankyo Company Limited 4,4-(O-phenylenedioxy)-2,2,6,6-tetramethyl piperidine
NO742245L (no) * 1973-06-23 1975-01-20 Sankyo Co
NO742246L (no) 1973-06-26 1975-01-20 Sankyo Co
JPS5625185A (en) * 1979-08-08 1981-03-10 Adeka Argus Chem Co Ltd Preparation of 4-piperidone spiroketal compound
US4250312A (en) 1979-12-28 1981-02-10 Argus Chemical Corp. Process for preparing 4-piperidone spiroketal compounds
DE19647395A1 (de) * 1996-11-15 1998-05-20 Basf Ag Verfahren zur Herstellung von cyclischen Acetalen oder Ketalen
DE10045465A1 (de) * 2000-09-14 2002-03-28 Karl Zeitsch Verfahren zur atmosphärischen Herstellung von Furfural mit Hilfe eines gasförmigen Katalysators
US6852860B2 (en) * 2003-03-14 2005-02-08 Weyerhaeuser Company Method for making piperidone ketals using polyphosphoric acid
DE102004023640A1 (de) * 2004-05-10 2005-12-08 Degussa Ag Verfahren zur Herstellung von 4-substituierten 2,2,6,6-Tetramethyl-piperidin-N-oxy- und 2,2,6,6-Tetramethyl-piperidin-N-hydroxy-verbindungen

Also Published As

Publication number Publication date
PL364653A1 (en) 2004-08-09
DE10304055A1 (de) 2004-08-12
US20040152920A1 (en) 2004-08-05
EP1443049B1 (de) 2005-03-30
DE50300415D1 (de) 2005-05-04
US7390930B2 (en) 2008-06-24
MXPA03009027A (es) 2004-08-09
EP1443049A1 (de) 2004-08-04
PL209007B1 (pl) 2011-07-29
ATE292130T1 (de) 2005-04-15

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application