ES8706104A1 - Procedimiento para la obtencion de 2-alquil-pentanonas - Google Patents

Procedimiento para la obtencion de 2-alquil-pentanonas

Info

Publication number
ES8706104A1
ES8706104A1 ES552759A ES552759A ES8706104A1 ES 8706104 A1 ES8706104 A1 ES 8706104A1 ES 552759 A ES552759 A ES 552759A ES 552759 A ES552759 A ES 552759A ES 8706104 A1 ES8706104 A1 ES 8706104A1
Authority
ES
Spain
Prior art keywords
cyclopentanone
hydrogen
formula
see diagramm
alkyl
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
Application number
ES552759A
Other languages
English (en)
Other versions
ES552759A0 (es
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of ES552759A0 publication Critical patent/ES552759A0/es
Publication of ES8706104A1 publication Critical patent/ES8706104A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/385—Saturated compounds containing a keto group being part of a ring
    • C07C49/395—Saturated compounds containing a keto group being part of a ring of a five-membered ring
    • 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

Landscapes

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

Abstract

METODO DE OBTENER 2-ALQUIL-PENTANONAS. CONSISTE EN HACER REACCIONAR UNA CICLOPENTANONA DE FORMULA (II) CON UN ALDEHIDO DE FORMULA (III), EN PRESENCIA DE HIDROGENO, A UNA PRESION ENTRE 10 Y 50 BARES Y EMPLEANDO UN CATALIZADOR DE ALUMINIO, TITANIO Y OXIDO DE MAGNESIO, Y ENTRE 80 Y 280JC, PARA OBTENER UN COMPUESTO DE FORMULA (I), SIENDO: R1, UN GRUPO ALIFATICO RAMIFICADO DE C 2 A 12; Y R2, R3, R4, R5, R6 O R7, H O ALQUILO DE C 1 A 5. SE UTILIZAN EN PERFUMERIA.
ES552759A 1985-03-09 1986-03-07 Procedimiento para la obtencion de 2-alquil-pentanonas Expired ES8706104A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853508420 DE3508420A1 (de) 1985-03-09 1985-03-09 Verfahren zur herstellung von 2-alkyl-cyclopentanonen

Publications (2)

Publication Number Publication Date
ES552759A0 ES552759A0 (es) 1987-06-01
ES8706104A1 true ES8706104A1 (es) 1987-06-01

Family

ID=6264695

Family Applications (1)

Application Number Title Priority Date Filing Date
ES552759A Expired ES8706104A1 (es) 1985-03-09 1986-03-07 Procedimiento para la obtencion de 2-alquil-pentanonas

Country Status (5)

Country Link
US (1) US5081309A (es)
EP (1) EP0194591B1 (es)
JP (1) JPH0627091B2 (es)
DE (2) DE3508420A1 (es)
ES (1) ES8706104A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3707209A1 (de) * 1987-03-06 1988-09-15 Henkel Kgaa 2-alkyliden-3,3,5(3,5,5)-trimethylcyclopentanone als riechstoffe
DE3837452A1 (de) * 1988-11-04 1990-05-10 Huels Chemische Werke Ag Verfahren zur herstellung von 2-methyl-5-n-alkylcyclopentanonen
FR2712885B1 (fr) * 1993-11-22 1996-01-12 Rhone Poulenc Chimie Procédé de C-alkylation d'une cétone cyclique.
CN103044374B (zh) * 2012-12-26 2014-10-29 淮安万邦香料工业有限公司 一种δ-十二内酯的合成方法
CN114075101A (zh) * 2020-08-20 2022-02-22 中国科学院大连化学物理研究所 一种2-烷基环己酮类化合物的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE633595C (de) * 1933-10-17 1936-07-31 Givaudan & Cie Sa Verfahren zur Herstellung von Kondensationsprodukten der Cyclopentanone mit Aldehyden
US2288308A (en) * 1941-04-07 1942-06-30 Ivan A Williams Punch and die
US3701798A (en) * 1965-12-03 1972-10-31 Eastman Kodak Co Synthesis of unsaturated compounds
US3829495A (en) * 1969-05-14 1974-08-13 Tokuyama Soda Kk Method of producing dimerized saturated ketones
DE2023512A1 (de) * 1969-07-25 1971-02-04 Vyskumny Ustav Pre Petrochemiu, Novaky (Tschechoslowakei) Einstufiges Produktionsverfahren von Karbonyl und/oder Alkoholverbindungen
DE2525506C2 (de) * 1975-06-07 1983-09-15 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung eines Nickel und/oder Kobalt und Zinkoxid enthaltenden Katalysators
IT1085879B (it) * 1976-04-08 1985-05-28 Basf Ag Processo per la preparazione di chetoni superiori
DE2625541A1 (de) * 1976-06-05 1977-12-22 Basf Ag Verfahren zur herstellung einer zink und nickel oder kobalt enthaltenden kontaktmasse
DE2900692A1 (de) * 1979-01-10 1980-07-24 Basf Ag Verfahren zur herstellung von aliphatischen carbonylverbindungen
JPS5925770B2 (ja) * 1979-06-13 1984-06-21 三菱瓦斯化学株式会社 メチルイソブチルケトンの製造法
DE2941386A1 (de) * 1979-10-12 1981-05-21 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von a-methylsubstituierten carbonylverbindungen
US4270006A (en) * 1979-12-27 1981-05-26 Basf Aktiengesellschaft Preparation of aliphatic carbonyl compounds
DE3227388A1 (de) * 1982-07-22 1984-01-26 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von (alpha)-substituierten ss-dicarbonyl-, ss-cyancarbonyl- und ss-dicyanverbindungen
DE3319430A1 (de) * 1983-05-28 1984-11-29 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von ketonen

Also Published As

Publication number Publication date
JPH0627091B2 (ja) 1994-04-13
JPS61218548A (ja) 1986-09-29
EP0194591A3 (en) 1986-12-30
ES552759A0 (es) 1987-06-01
EP0194591B1 (de) 1988-08-24
EP0194591A2 (de) 1986-09-17
DE3660590D1 (en) 1988-09-29
US5081309A (en) 1992-01-14
DE3508420A1 (de) 1986-09-11

Similar Documents

Publication Publication Date Title
ES8801360A1 (es) Procedimiento para preparar una composicion de gasolina
GR3023938T3 (en) 3',5'-ditertbutyl-4'-hydroxyflavones, method for their preparation and pharmaceutical compositions with an antioxidant and antivasoconstricting activity
AU586691B2 (en) Diamino-androstane derivatives, process for their preparation and pharmaceutical compositions containing them
EP0262345A3 (en) Pyrroloquinoline quinones as enzyme inhibitors
ES461227A1 (es) Un procedimiento para preparar metacroleina.
AU639572B2 (en) Novel alkylbenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitors
AU3457484A (en) Pharmaceutical compositions of 11-dioxo-perhydro- 124-thiadiazine derivatives
ES8609347A1 (es) Un procedimiento para preparar un organotitanato
AU6570186A (en) Novel pyrrolidinylamide ester derivative having anti-prolyl endopeptidase activity and synthesis and use thereof
AU558802B2 (en) Anionic phosphate detergent composition
ES8706104A1 (es) Procedimiento para la obtencion de 2-alquil-pentanonas
MY104070A (en) Cyclopropane derivatives
ES489823A1 (es) Procedimiento para la obtencion de un catalizador para la polimerizacion de butadieno
IE862062L (en) Androst-5-en-17-ones
ES8105333A1 (es) Un procedimiento para obtener una sal metalica mixta.
ES8303450A1 (es) "procedimiento para la preparacion de 17a-alcohil-17b-hidroxi-1a-metil-4-androsten-3-onas".
AU586477B2 (en) Hexenoic acids
AU524640B2 (en) Master alloy for free - machining additions to steel
ES8602951A1 (es) Procedimiento para la preparacion de un nuevo derivado de lafructosa
GB1476389A (en) Lubricants for use with aluminium and aluminium alloys in the cold
EP0319919A3 (en) Adhesive composition
IE831707L (en) 17ó-pregn-4-ene-3-oxo-21-carboxylic acid esters
AU578034B2 (en) 7 alpha substituted 3-oxo-17alpha-pregn-4-ene -21,17 carbolactones
ATE77744T1 (de) Verwendung von pyrrothinderivaten.
ES2052259T3 (es) Procedimiento para evitar la decoloracion del anhidrido maleico.

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20041102