DE69731007T2 - Verfahren zur Herstellung von 6-Methyl-3-hepten-2-on, und Verfahren zur Herstellung von Phyton oder Isophytol - Google Patents

Verfahren zur Herstellung von 6-Methyl-3-hepten-2-on, und Verfahren zur Herstellung von Phyton oder Isophytol Download PDF

Info

Publication number
DE69731007T2
DE69731007T2 DE69731007T DE69731007T DE69731007T2 DE 69731007 T2 DE69731007 T2 DE 69731007T2 DE 69731007 T DE69731007 T DE 69731007T DE 69731007 T DE69731007 T DE 69731007T DE 69731007 T2 DE69731007 T2 DE 69731007T2
Authority
DE
Germany
Prior art keywords
methyl
dimethyl
trimethyl
reaction
subjecting
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.)
Expired - Lifetime
Application number
DE69731007T
Other languages
German (de)
English (en)
Other versions
DE69731007D1 (de
Inventor
Yoichi Kashima-gun Ibaraki Kido
Noriaki Kashima-gun Ibaraki Kumagai
Hideharu Kashima-gun Ibaraki Iwasaki
Takashi Kashima-gun Ibaraki Onishi
Fuyuo Kitakanbara-gun Niigata Ueyama
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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
Priority claimed from JP19548096A external-priority patent/JP3805435B2/ja
Priority claimed from JP35221496A external-priority patent/JP3882245B2/ja
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Application granted granted Critical
Publication of DE69731007D1 publication Critical patent/DE69731007D1/de
Publication of DE69731007T2 publication Critical patent/DE69731007T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/17—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrogenation of carbon-to-carbon double or triple bonds
    • C07C29/172—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrogenation of carbon-to-carbon double or triple bonds with the obtention of a fully saturated alcohol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
    • C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
    • C07C29/40—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones with compounds containing carbon-to-metal bonds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
    • C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
    • C07C29/42—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones with compounds containing triple carbon-to-carbon bonds, e.g. with metal-alkynes
    • 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
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/513—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an etherified hydroxyl group
    • 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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/62—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by hydrogenation of carbon-to-carbon double or triple bonds
    • 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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/673—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
    • C07C45/676—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton by elimination of carboxyl groups
    • 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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/73—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups combined with hydrogenation
    • 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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/74—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups combined with dehydration
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/203—Unsaturated compounds containing keto groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
DE69731007T 1996-07-05 1997-07-03 Verfahren zur Herstellung von 6-Methyl-3-hepten-2-on, und Verfahren zur Herstellung von Phyton oder Isophytol Expired - Lifetime DE69731007T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP19548096A JP3805435B2 (ja) 1996-07-05 1996-07-05 ６−メチル−３−ヘプテン−２−オンの製造方法
JP19548096 1996-07-05
JP35221496A JP3882245B2 (ja) 1996-12-11 1996-12-11 フィトン及びイソフィトールの製造方法
JP35221496 1996-12-11
JP5135697 1997-03-06
JP5135697 1997-03-06

Publications (2)

Publication Number Publication Date
DE69731007D1 DE69731007D1 (de) 2004-11-04
DE69731007T2 true DE69731007T2 (de) 2006-02-23

Family

ID=27294287

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69712984T Expired - Lifetime DE69712984T2 (de) 1996-07-05 1997-07-03 Verfahren zur Herstellung von 6-Methyl-2-Heptanon Analogen, und Verfahren zur Herstellung von Phyton und Isophytol
DE69731007T Expired - Lifetime DE69731007T2 (de) 1996-07-05 1997-07-03 Verfahren zur Herstellung von 6-Methyl-3-hepten-2-on, und Verfahren zur Herstellung von Phyton oder Isophytol

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69712984T Expired - Lifetime DE69712984T2 (de) 1996-07-05 1997-07-03 Verfahren zur Herstellung von 6-Methyl-2-Heptanon Analogen, und Verfahren zur Herstellung von Phyton und Isophytol

Country Status (6)

Country Link
US (2) US5955636A (pt-PT)
EP (2) EP0816321B1 (pt-PT)
KR (1) KR100570474B1 (pt-PT)
CN (2) CN1125805C (pt-PT)
AT (1) ATE218527T1 (pt-PT)
DE (2) DE69712984T2 (pt-PT)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959053A1 (de) 1999-12-07 2001-06-13 Basf Ag Verfahren zur Herstellung von Ketonen, insbesondere von 6-Methylheptan-2-on
KR20010083487A (ko) * 2000-02-15 2001-09-01 구광시 소팔콘의 제조방법
DE10044390A1 (de) * 2000-09-08 2002-03-21 Degussa Verfahren zur Herstellung von 6-Methylheptanon
DE10106186A1 (de) 2001-02-10 2002-08-14 Oxeno Olefinchemie Gmbh Verfahren zur Kondensation von Aldehyden mit Ketonen mittels Mehrphasenreaktion
DE10111071A1 (de) * 2001-03-08 2002-09-19 Degussa Verfahren zur Herstellung von Methylketonen
DE10112099A1 (de) * 2001-03-14 2002-09-19 Degussa Verbessertes Verfahren zur Herstellung von 6-Methylheptanon
DE10123066A1 (de) 2001-05-11 2002-11-14 Basf Ag Verfahren zur Herstellung von höheren alpha,beta-ungesättigten Alkoholen
DE10149349A1 (de) * 2001-10-06 2003-04-17 Oxeno Olefinchemie Gmbh Verfahren zur Herstellung von 6-Methylheptan-2-on und dessen Verwendung
ITMI20012267A1 (it) * 2001-10-29 2003-04-29 Chemi Spa Preparazione ed uso di un catalizzatore eterogeneo per l'idrogenerazione di un doppio legame di un composto carbonilico b-insaturo
EP1327620A1 (en) * 2002-01-14 2003-07-16 Aventis Animal Nutrition S.A. Process for the preparation of phytone
US6979751B2 (en) * 2002-12-23 2005-12-27 Eastman Chemical Company Processes for the preparation of higher molecular weight ketones
US6960694B2 (en) * 2003-07-01 2005-11-01 Eastman Chemical Company Processes for preparing β-hydroxy-ketones and α,β-unsaturated ketones
US7071361B2 (en) 2004-06-25 2006-07-04 Fastman Chemical Company Processes for the preparation of high molecular weight saturated ketones
WO2007071329A1 (en) * 2005-12-20 2007-06-28 Dsm Ip Assets B.V. Process for ubiquinone intermediates
TWI492755B (zh) * 2009-12-30 2015-07-21 Metal Ind Res & Dev Ct 抗糖尿病及抗新陳代謝疾病之香椿超臨界萃取物、製備方法及用途
US8546621B2 (en) * 2010-08-24 2013-10-01 Dsm Ip Assets B.V. Process for the manufacture of 3,7-dimethyl-1-octen-3-ol
ES2678472T3 (es) * 2010-08-24 2018-08-13 Dsm Ip Assets B.V. Procedimiento para la fabricación de 3,7-dimetil-1-octen-3-ol
CN102821771B (zh) * 2010-12-28 2015-01-14 高雄医学大学 抗糖尿病及抗新陈代谢疾病的香椿超临界萃取物、制备方法及用途
EP2935185B1 (en) 2012-12-18 2019-02-20 DSM IP Assets B.V. (6r,10r)-6,10,14-trimetylpentadecan-2-one prepared from 6,10,14-trimetylpentadeca-5,9,13-trien-2-one or 6,10,14-trimetylpentadeca-5,9-dien-2-one
CN109970533B (zh) * 2012-12-18 2022-06-14 帝斯曼知识产权资产管理有限公司 由(r)-6，10，14-三甲基十五碳-5-烯-2-酮制备的(6r，10r)-6，10，14-三甲基十五烷-2-酮
CN104854069B (zh) 2012-12-18 2017-06-20 帝斯曼知识产权资产管理有限公司 由6,10‑二甲基十一碳‑5‑烯‑2‑酮或6,10‑二甲基十一碳‑5,9‑二烯‑2‑酮制备的(6r,10r)‑6,10,14‑三甲基十五烷‑2‑酮
CN105037120B (zh) * 2015-05-25 2016-09-21 吉林北沙制药有限公司 一种甲基庚酮的新型合成方法
WO2017098050A1 (en) * 2015-12-11 2017-06-15 Dsm Ip Assets B.V. Process for the manufacture of 6,10,14-trimethylpentadecan-2-one, isophytol and alpha-tocopherol
CN105399613B (zh) * 2015-12-31 2018-09-25 山东新和成药业有限公司 一种香料6-甲基-3-庚烯-2-酮的制备方法
CN107673959B (zh) * 2017-10-27 2019-10-11 西南化工研究设计院有限公司 一种制备甲基庚烯酮的方法和系统
CN109651118A (zh) * 2018-12-25 2019-04-19 万华化学集团股份有限公司 一种植酮的制备方法
CN111995512B (zh) * 2019-05-27 2023-11-10 四川海思科制药有限公司 一种全消旋植物醇组合物及其制备方法和应用
CN111018672B (zh) * 2019-12-09 2023-01-13 万华化学集团股份有限公司 一种制备芳樟醇的方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485989A (en) * 1946-02-09 1949-10-25 Commercial Solvents Corp Process for converting lower-boiling aldehydes into higher-boiling aldehydes
US2499172A (en) * 1946-02-09 1950-02-28 Commercial Solvents Corp Process for converting lower-boiling ketones into higher-boiling ketones
DE823291C (de) * 1950-03-07 1951-12-03 Basf Ag Verfahren zur Herstellung von gesaettigten Ketonen
US2719863A (en) * 1952-07-16 1955-10-04 Du Pont Aldol condensation of ketones
US2792421A (en) * 1953-08-21 1957-05-14 Distillers Co Yeast Ltd Condensation reaction
US2809215A (en) * 1954-09-30 1957-10-08 Hoffmann La Roche Higher aliphatic ketone
GB907142A (en) * 1959-01-14 1962-10-03 Distillers Co Yeast Ltd Production of unsaturated ketones
US3082260A (en) * 1959-05-20 1963-03-19 Air Reduction Preparation of acetylenic alcohols
US3496240A (en) * 1966-09-20 1970-02-17 Hoffmann La Roche Acetylenic carbinol production and recovery by thin film,superatmospheric pressure evaporation with condenser pressure control by venting
BE789849A (fr) * 1971-10-13 1973-04-09 Basf Ag Procede de preparation de cetones alpha-ethyleniques
JPS4925251A (pt-PT) * 1972-06-29 1974-03-06
JPS5249444B2 (pt-PT) * 1973-06-26 1977-12-17
DE2445133A1 (de) * 1973-10-01 1975-04-03 Hoffmann La Roche Verfahren zur herstellung von aethinylcarbinolen
IT1085879B (it) * 1976-04-08 1985-05-28 Basf Ag Processo per la preparazione di chetoni superiori
DE2839474A1 (de) * 1978-09-11 1980-03-27 Basf Ag Verfahren zur herstellung von carbonylverbindungen
DE2928944A1 (de) * 1979-07-18 1981-02-12 Basf Ag Verbessertes verfahren zur herstellung von hoeheren ungesaettigten ketonen
US4701562A (en) * 1986-06-25 1987-10-20 Union Carbide Corporation Process for the condensation of aldehydes
RO94314B1 (ro) * 1986-06-28 1988-05-01 Institutul De Cercetari Chimice Procedeu de preparare a izofitolului
ATE181909T1 (de) * 1995-04-04 1999-07-15 Kuraray Co Verfahren zur herstellung von 6-methylheptan-2-on

Also Published As

Publication number Publication date
EP0816321A1 (en) 1998-01-07
CN1250507C (zh) 2006-04-12
CN1393435A (zh) 2003-01-29
EP1122236A2 (en) 2001-08-08
ATE218527T1 (de) 2002-06-15
DE69731007D1 (de) 2004-11-04
KR100570474B1 (ko) 2006-04-12
DE69712984T2 (de) 2003-01-16
EP1122236A3 (en) 2001-08-16
CN1125805C (zh) 2003-10-29
US5955636A (en) 1999-09-21
EP0816321B1 (en) 2002-06-05
EP1122236B1 (en) 2004-09-29
CN1178784A (zh) 1998-04-15
US6232506B1 (en) 2001-05-15
DE69712984D1 (de) 2002-07-11

Similar Documents

Publication Publication Date Title
DE69731007T2 (de) Verfahren zur Herstellung von 6-Methyl-3-hepten-2-on, und Verfahren zur Herstellung von Phyton oder Isophytol
EP0037584B1 (de) 2.4-Dialkyl-2.6-heptadienale und -heptadienole, Verfahren zu deren Herstellung und ihre Anwendung als Geruchs- und Geschmacksstoffe
DE2064097A1 (de) Verfahren zur Herstellung von Brenzcatechin und dessen Monoäthern
DE1593663A1 (de) Verfahren zum selektiven Hydrieren der olefinischen Doppelbindung von ungesaettigten Aldehyden
EP1106597A1 (de) Verfahren zur Herstellung von Ketonen, insbesondere von 6-Methylheptan-2-On
EP0010213B1 (de) Bicyclische Verbindungen, Verfahren zu deren Herstellung und deren Verwendung
EP0919532B1 (de) Verfahren zur Herstellung von gesättigten Alkoholen
DE2855506C3 (de) Verfahren zur Herstellung von Methyl-nonyl-acetaldehyd
CH625494A5 (pt-PT)
DE3027269A1 (de) 3,6-dimethyl-3-hydroxy-1-octine und -1-octene sowie derivate davon und ihre verwendung als riechstoffe und verfahren zur herstellung von 3,6-dimethyl-3-hydroxy-octan
EP0468320B1 (de) Verfahren zur Herstellung von Glykolen aus Formaldehyd
DE2416584C2 (de) Verfahren zur Herstellung von Squalan
EP0038471B1 (de) Neue beta-gamma-ungesättigte Ketone und isoprenoide 2,6-Dienone, Verfahren zu deren Herstellung und ihre Verwendung als Geruchs- und Geschmacksstoffe
DE2640026C2 (de) Verfahren zur Herstellung von 6,10,14-Trimethylpentadecan-2-on
DE2844155A1 (de) 1,7-octadien-3-on und verfahren zu seiner herstellung
DE2520735A1 (de) Neue diole und verfahren zu ihrer herstellung
EP0436860A1 (de) Verfahren zur Herstellung von 2-(4-Chlorphenyl)-3-methyl-buttersäure
DE3219915A1 (de) 2-methoxyethyl-cyclododecenylether, verfahren zu seiner herstellung sowie seine verwendung zur herstellung von 2-methoxyethyl-cyclododecylether
JP3882245B2 (ja) フィトン及びイソフィトールの製造方法
KR100537371B1 (ko) 6-메틸-3-헵텐-2-온및6-메틸-2-헵탄온유사체의제조방법및피톤또는이소피톨의제조방법
EP0189581A1 (de) Neue 2,3-disubstituierte Bicyclo[2.2.1]heptane und -heptene, deren Herstellung und deren Verwendung als Riechstoffe
DE2719976C2 (de) Bicyclische Aldehyde und Verfahren zu deren Herstellung
DE1643644A1 (de) Verfahren zur Herstellung von Derivaten des 3,7-Dimethyl-2,7-octadien-1-al
EP0026344A1 (de) 2,2,3-Trimethylcyclopent-3-en-ylmethyl-substituierte alicyclische Ketone und Alkohole, Herstellungsverfahren und deren Verwendung als Riechstoffe
DE1289043B (de) Verfahren zur Herstellung von 6, 10, 14-Trimethylpentadecatrien-(5, 9, 14)-on-(2)

Legal Events

Date Code Title Description
8364 No opposition during term of opposition