DE3401672A1 - Verfahren zur herstellung von mono- oder biscarbonylverbindungen - Google Patents

Verfahren zur herstellung von mono- oder biscarbonylverbindungen

Info

Publication number
DE3401672A1
DE3401672A1 DE19843401672 DE3401672A DE3401672A1 DE 3401672 A1 DE3401672 A1 DE 3401672A1 DE 19843401672 DE19843401672 DE 19843401672 DE 3401672 A DE3401672 A DE 3401672A DE 3401672 A1 DE3401672 A1 DE 3401672A1
Authority
DE
Germany
Prior art keywords
hydrogenation
formula
radical
ozone
ozonization
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.)
Withdrawn
Application number
DE19843401672
Other languages
German (de)
English (en)
Inventor
Andreas Linz Mahringer
Stefan Pollhammer
Erich Roithner
Alexander Dipl.-Ing. Sajtos
Manfred Dipl.-Ing. Dr. Wechsberg
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.)
Chemie Linz Deutschland GmbH
Original Assignee
Lentia GmbH
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 Lentia GmbH filed Critical Lentia GmbH
Publication of DE3401672A1 publication Critical patent/DE3401672A1/de
Withdrawn legal-status Critical Current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
    • C07C45/40—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with ozone; by ozonolysis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C315/00—Preparation of sulfones; Preparation of sulfoxides
    • 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
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
    • C07C45/59—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in five-membered rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/12—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing more than one —CHO group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/198—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
    • C07C47/542—Alkylated benzaldehydes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
    • C07C47/544—Diformyl benzenes; Alkylated derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/12—Ketones containing more than one keto group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/313—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
    • C07D213/46—Oxygen atoms
    • C07D213/48—Aldehydo radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19843401672 1983-12-23 1984-01-19 Verfahren zur herstellung von mono- oder biscarbonylverbindungen Withdrawn DE3401672A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0450083A AT380008B (de) 1983-12-23 1983-12-23 Verfahren zur herstellung von mono- oder biscarbonylverbindungen

Publications (1)

Publication Number Publication Date
DE3401672A1 true DE3401672A1 (de) 1985-09-26

Family

ID=3564834

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19843401672 Withdrawn DE3401672A1 (de) 1983-12-23 1984-01-19 Verfahren zur herstellung von mono- oder biscarbonylverbindungen
DE8484113702T Expired - Lifetime DE3481414D1 (de) 1983-12-23 1984-11-14 Verfahren zur herstellung von mono- oder biscarbonylverbindungen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8484113702T Expired - Lifetime DE3481414D1 (de) 1983-12-23 1984-11-14 Verfahren zur herstellung von mono- oder biscarbonylverbindungen.

Country Status (15)

Country Link
US (1) US4769464A (US06373033-20020416-M00071.png)
EP (1) EP0147593B1 (US06373033-20020416-M00071.png)
JP (1) JPS60156635A (US06373033-20020416-M00071.png)
KR (1) KR920000444B1 (US06373033-20020416-M00071.png)
AT (2) AT380008B (US06373033-20020416-M00071.png)
AU (1) AU572246B2 (US06373033-20020416-M00071.png)
CA (1) CA1253867A (US06373033-20020416-M00071.png)
DE (2) DE3401672A1 (US06373033-20020416-M00071.png)
ES (1) ES8606234A1 (US06373033-20020416-M00071.png)
GR (1) GR81086B (US06373033-20020416-M00071.png)
HU (1) HU198437B (US06373033-20020416-M00071.png)
IE (1) IE57650B1 (US06373033-20020416-M00071.png)
IL (1) IL73933A (US06373033-20020416-M00071.png)
NZ (1) NZ210517A (US06373033-20020416-M00071.png)
ZA (1) ZA849894B (US06373033-20020416-M00071.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19811517A1 (de) * 1998-03-17 1999-09-23 Studiengesellschaft Kohle Mbh Verfahren zur Oxidation von Cyclohexan mit Ozon

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346266A1 (de) * 1983-12-21 1985-07-11 Lentia Gmbh Verfahren zur herstelung von glyoxal, alkylglyoxalen und von deren acetalen
DE3544046A1 (de) * 1985-12-13 1987-06-19 Degussa Verfahren zur herstellung von 2,5-dimethoxy- und 2,5-diethoxytetrahydrofuran
EP0432541B1 (de) * 1989-12-14 1995-09-13 Chemie Linz GmbH Verfahren zur Herstellung von alpha-omega-Alkandicarbonsäuren
TW299317B (US06373033-20020416-M00071.png) * 1993-03-12 1997-03-01 Chemie Linz Gmbh
AT398759B (de) * 1993-03-12 1995-01-25 Chemie Linz Gmbh Hydrogenolytische reduktion peroxidischer ozonolyseprodukte und vorrichtung zu ihrer durchführung
AT402293B (de) * 1994-09-06 1997-03-25 Chemie Linz Gmbh Verfahren zur herstellung von mono- oder dicarbonsäuren aus aldehyden, deren vollacetalen oder halbacetalen, sowie aus gemischen davon
AT404938B (de) * 1996-10-30 1999-03-25 Chemie Linz Gmbh Verfahren zur reinigung von o-phthaldialdehyd
AT408099B (de) * 1999-11-26 2001-08-27 Dsm Fine Chem Austria Gmbh Verfahren zur herstellung von hydroxymethylpyridinen
AU2001252143A1 (en) * 2000-02-25 2001-09-03 Akzo Nobel N.V. Process for the preparation of glyceraldehyde and derivatives thereof
AU2001268638A1 (en) * 2000-06-22 2002-01-02 The Lubrizol Corporation Acylating agents and dispersants for lubricating oil and fuels
AT500421A1 (de) * 2000-12-14 2005-12-15 Dsm Fine Chem Austria Gmbh Verbessertes verfahren zur reinigung von ketonen, erhalten aus den korrespondierenden terpenen durch ozonolyse und reduktion
AT500489A1 (de) * 2001-03-09 2006-01-15 Dsm Fine Chem Austria Gmbh Verfahren zur herstellung von mono- oder biscarbonyl- oder hydroxylverbindungen
AT413537B (de) * 2001-05-15 2006-03-15 Dsm Fine Chem Austria Gmbh Verbessertes verfahren zur reinigung und formulierung von o-phthalaldehyd
AT412087B (de) * 2002-12-13 2004-09-27 Dsm Fine Chem Austria Gmbh In-situ zersetzung von peroxiden während der ozonolyse von alkenen
HU227638B1 (en) * 2005-12-23 2011-10-28 Thales Rt Flowing laboratorial ozonizating apparatus and method for ozonization reaction
US8106242B2 (en) 2006-05-23 2012-01-31 Dsm Ip Assets B.V. Process for the production of compounds via hazardous intermediates in a series of microreactors
US7754913B2 (en) * 2006-07-11 2010-07-13 Cambridge Isotope Laboratories, Inc. Synthesis of isotopically labeled alpha-keto acids and esters
WO2008077769A1 (en) * 2006-12-20 2008-07-03 Dsm Fine Chemicals Austria Nfg Gmbh & Co Kg Process for the safe ozonolysis of organic compounds in flammable solvents
US10414839B2 (en) 2010-10-20 2019-09-17 Sirrus, Inc. Polymers including a methylene beta-ketoester and products formed therefrom
SG189937A1 (en) * 2010-10-20 2013-06-28 Bioformix Inc Synthesis of methylene malonates using rapid recovery in the presence of a heat transfer agent
US9279022B1 (en) 2014-09-08 2016-03-08 Sirrus, Inc. Solution polymers including one or more 1,1-disubstituted alkene compounds, solution polymerization methods, and polymer compositions
US9249265B1 (en) 2014-09-08 2016-02-02 Sirrus, Inc. Emulsion polymers including one or more 1,1-disubstituted alkene compounds, emulsion methods, and polymer compositions
US9828324B2 (en) 2010-10-20 2017-11-28 Sirrus, Inc. Methylene beta-diketone monomers, methods for making methylene beta-diketone monomers, polymerizable compositions and products formed therefrom
JP6267643B2 (ja) 2011-10-19 2018-01-24 シラス・インコーポレイテッド 多官能性モノマー、多官能性モノマーを製造する方法、これらから形成された重合性組成物および製品
EP2831125B1 (en) 2012-03-30 2016-10-05 Sirrus, Inc. Methods for activating polymerizable compositions, polymerizable systems, and products formed thereby
EP2831124B1 (en) 2012-03-30 2016-10-05 Sirrus, Inc. Composite and laminate articles and polymerizable systems for producing the same
WO2013149173A1 (en) 2012-03-30 2013-10-03 Bioformix Inc. Ink and coating formulations and polymerizable systems for producing the same
WO2013181600A2 (en) 2012-06-01 2013-12-05 Bioformix Inc. Optical material and articles formed therefrom
EP2920231B1 (en) 2012-11-16 2020-05-06 Sirrus, Inc. Plastics bonding systems and methods
JP6549038B2 (ja) 2012-11-30 2019-07-24 シラス・インコーポレイテッド エレクトロニクス適用のための複合組成物
EP2943462B1 (en) 2013-01-11 2018-06-27 Sirrus, Inc. Method to obtain methylene malonate via bis(hydroxymethyl) malonate pathway
US9315597B2 (en) 2014-09-08 2016-04-19 Sirrus, Inc. Compositions containing 1,1-disubstituted alkene compounds for preparing polymers having enhanced glass transition temperatures
US9416091B1 (en) 2015-02-04 2016-08-16 Sirrus, Inc. Catalytic transesterification of ester compounds with groups reactive under transesterification conditions
US10501400B2 (en) 2015-02-04 2019-12-10 Sirrus, Inc. Heterogeneous catalytic transesterification of ester compounds with groups reactive under transesterification conditions
US9334430B1 (en) 2015-05-29 2016-05-10 Sirrus, Inc. Encapsulated polymerization initiators, polymerization systems and methods using the same
US9217098B1 (en) 2015-06-01 2015-12-22 Sirrus, Inc. Electroinitiated polymerization of compositions having a 1,1-disubstituted alkene compound
US9518001B1 (en) 2016-05-13 2016-12-13 Sirrus, Inc. High purity 1,1-dicarbonyl substituted-1-alkenes and methods for their preparation
US9567475B1 (en) 2016-06-03 2017-02-14 Sirrus, Inc. Coatings containing polyester macromers containing 1,1-dicarbonyl-substituted 1 alkenes
US10196481B2 (en) 2016-06-03 2019-02-05 Sirrus, Inc. Polymer and other compounds functionalized with terminal 1,1-disubstituted alkene monomer(s) and methods thereof
US9617377B1 (en) 2016-06-03 2017-04-11 Sirrus, Inc. Polyester macromers containing 1,1-dicarbonyl-substituted 1 alkenes
US10428177B2 (en) 2016-06-03 2019-10-01 Sirrus, Inc. Water absorbing or water soluble polymers, intermediate compounds, and methods thereof
CN111056955B (zh) * 2019-12-16 2021-05-25 中国科学院大连化学物理研究所 一种环己烯制备己二胺的方法
CN111138255B (zh) * 2019-12-16 2021-06-22 中国科学院大连化学物理研究所 一种环己烯制备己二醛的工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145232A (en) * 1959-11-03 1964-08-18 Monsanto Co Ozonization and reduction of unsaturated organic compounds
US3637721A (en) * 1970-06-25 1972-01-25 Inmont Corp Process for producing aldehydes by ozonizing and reducing certain aromatic and heterocyclic compounds containing carbon-to-carbon unsaturation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733270A (en) * 1956-01-31 Preparation of aldehydes
GB709450A (en) * 1950-10-09 1954-05-26 Du Pont Preparation of adipaldehyde
US3705922A (en) * 1970-08-11 1972-12-12 United States Steel Corp Process for the preparation of glyoxylic acid methyl hemiacetal
NL171808C (nl) * 1971-02-19 1983-05-16 Snia Viscosa Werkwijze voor het ozoniseren van alkenen.
DE2514001A1 (de) * 1975-03-29 1976-10-07 Basf Ag Verfahren zur herstellung von glyoxalmonoacetalen
SU590314A1 (ru) * 1975-12-11 1978-01-30 Институт Химии Башкирского Филиала Ан Ссср Способ получени олигомерных (цис-1,4-полидиен-1,3)-гликолей
DE3346266A1 (de) * 1983-12-21 1985-07-11 Lentia Gmbh Verfahren zur herstelung von glyoxal, alkylglyoxalen und von deren acetalen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145232A (en) * 1959-11-03 1964-08-18 Monsanto Co Ozonization and reduction of unsaturated organic compounds
US3637721A (en) * 1970-06-25 1972-01-25 Inmont Corp Process for producing aldehydes by ozonizing and reducing certain aromatic and heterocyclic compounds containing carbon-to-carbon unsaturation

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DE-Buch: Honben-Weyl: Eugen Müller: Georg Thieme Verlag: Methoden der organischen Chemie, Bd.VII, Teil 1, Stuttgart 1954, S.333-337 *
US-Z: Chemical Abstracts, 64, 1966, 9881 b *
US-Z: J. Chem. Soc., Perkin Trans. 1, 1972, S.1335-42 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19811517A1 (de) * 1998-03-17 1999-09-23 Studiengesellschaft Kohle Mbh Verfahren zur Oxidation von Cyclohexan mit Ozon

Also Published As

Publication number Publication date
KR850004564A (ko) 1985-07-25
AU572246B2 (en) 1988-05-05
ATA450083A (de) 1985-08-15
NZ210517A (en) 1988-01-08
ES8606234A1 (es) 1986-04-16
IL73933A0 (en) 1985-03-31
US4769464A (en) 1988-09-06
KR920000444B1 (ko) 1992-01-14
HU198437B (en) 1989-10-30
EP0147593B1 (de) 1990-02-28
IL73933A (en) 1989-02-28
GR81086B (en) 1985-01-09
IE843164L (en) 1985-06-23
AT380008B (de) 1986-03-25
CA1253867A (en) 1989-05-09
ES538965A0 (es) 1986-04-16
ATE50555T1 (de) 1990-03-15
JPS6361296B2 (US06373033-20020416-M00071.png) 1988-11-28
EP0147593A2 (de) 1985-07-10
DE3481414D1 (de) 1990-04-05
JPS60156635A (ja) 1985-08-16
EP0147593A3 (en) 1986-06-04
AU3703684A (en) 1985-07-04
ZA849894B (en) 1985-08-28
HUT36444A (en) 1985-09-30
IE57650B1 (en) 1993-02-10

Similar Documents

Publication Publication Date Title
EP0147593B1 (de) Verfahren zur Herstellung von Mono- oder Biscarbonylverbindungen
EP1858903B1 (de) Diarylphenoxy-aluminium-verbindungen
EP0099981B1 (de) Verfahren zur Herstellung von Glyoxylsäure und Glyoxylsäurederivaten
EP0146784B1 (de) Verfahren zur Herstellung von Glyoxal, Alkylglyoxalen und von deren Acetalen
DE69823844T2 (de) Verfahren zur herstellung von als protease inhibitoren wervollen 4-hydroxy-2-oxo-pyran-derivaten
EP0037584A1 (de) 2.4-Dialkyl-2.6-heptadienale und -heptadienole, Verfahren zu deren Herstellung und ihre Anwendung als Geruchs- und Geschmacksstoffe
DE3122995C2 (US06373033-20020416-M00071.png)
DE1938219A1 (de) Verfahren zur Herstellung von 14-Hydroxy-normorphinonderivaten
EP0468320A1 (de) Verfahren zur Herstellung von Glykolen aus Formaldehyd
EP0058326A1 (de) Verfahren zur Herstellung von araliphatischen Aldehyden und/oder Aminen
EP0128279B1 (de) Verfahren zur Herstellung von 6-Methylnicotinsäureester
DE3020298C2 (de) Verfahren zur Herstellung von 2,2,4,5,5-Pentamethyl-3-formyl-3-pyrrolin
DE1443594A1 (de) Verfahren zur Herstellung von Estern der Vitamin-A-Saeure
DE60204473T2 (de) VERFAHREN ZUR HERSTELLUNG VON 4-(HYDROXY)-ç1,4-!BIPIPERIDINYL-L-CARBONSÄURE-TERT.-BUTYLESTER
DE2538307C3 (de) Verfahren zur Herstellung von Dimethylaminobenzolsulfonaten
DE1045393B (de) Verfahren zur Herstellung von Derivaten der 1, 1-Dimethyloctahydronaphthalinreihe
DE1271713B (de) Verfahren zur Herstellung von organischen Carbonylverbindungen
DE1795023C2 (de) Verfahren zur Herstellung von 2-Benzyloxy-2-isopropylmalonsäurediäthylester und dessen Verwendung zur Herstellung von Heterocyclen für die Totalsynthese von Reptidalkaloiden des Mutterkorns
DE1468624B2 (de) Verfahren zur herstellung von beta-cyanketonen
DE2166997B2 (de) Verfahren zur Herstellung von 4,4-Diphenyl-piperidinen
DE1793661C (de) Verfahren zur Herstellung von 2,5-Dimethyl-4,5-dihydrofuranol-(3)-on-(4). Ausscheidung aus: 1768649
DE1445184C (de) Verfahren zur Herstellung von alpha-Pyrrolidino-n-valerophenonen und ihren Salzen
DE4137271A1 (de) Verfahren zur herstellung von n-(2-chlor-pyridin-5-yl-methyl)-ethylendiamin
DD232494A5 (de) Neue 2,6-dioxa-bicyclo-(2,2,2)-octan-6-yl-acetaldehyde
DE1110633B (de) Verfahren zur Herstellung von Vitamin-A-saeurenitril bzw. -estern

Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8127 New person/name/address of the applicant

Owner name: CHEMIE LINZ (DEUTSCHLAND) GMBH, 6200 WIESBADEN, DE

8141 Disposal/no request for examination