IT8519770A0 - Procedimento per la preparazione di 2-alchil ciclopent-2-enoni.! - Google Patents

Procedimento per la preparazione di 2-alchil ciclopent-2-enoni.!

Info

Publication number
IT8519770A0
IT8519770A0 IT8519770A IT1977085A IT8519770A0 IT 8519770 A0 IT8519770 A0 IT 8519770A0 IT 8519770 A IT8519770 A IT 8519770A IT 1977085 A IT1977085 A IT 1977085A IT 8519770 A0 IT8519770 A0 IT 8519770A0
Authority
IT
Italy
Prior art keywords
ciclopent
enones
alkyl
procedure
preparation
Prior art date
Application number
IT8519770A
Other languages
English (en)
Other versions
IT1200400B (it
Inventor
Enrico Dalcanale
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT19770/85A priority Critical patent/IT1200400B/it
Publication of IT8519770A0 publication Critical patent/IT8519770A0/it
Priority to JP61044318A priority patent/JPS61218549A/ja
Priority to CA000503154A priority patent/CA1271488A/en
Priority to US06/835,246 priority patent/US4673759A/en
Priority to EP86301568A priority patent/EP0194144B1/en
Priority to DE8686301568T priority patent/DE3681307D1/de
Application granted granted Critical
Publication of IT1200400B publication Critical patent/IT1200400B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • 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
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/597—Unsaturated compounds containing a keto groups being part of a ring of a five-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/687—Unsaturated compounds containing a keto groups being part of a ring containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/753—Unsaturated compounds containing a keto groups being part of a ring containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/38—Compounds containing oxirane rings with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D303/40—Compounds containing oxirane rings with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals by ester radicals
    • C07D303/42—Acyclic compounds having a chain of seven or more carbon atoms, e.g. epoxidised fats
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
IT19770/85A 1985-03-05 1985-03-05 Procedimento per la preparazione di 2-alchil ciclopent-2-enoni IT1200400B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT19770/85A IT1200400B (it) 1985-03-05 1985-03-05 Procedimento per la preparazione di 2-alchil ciclopent-2-enoni
JP61044318A JPS61218549A (ja) 1985-03-05 1986-03-03 ２‐アルキルシクロペンタ‐２‐エノンの製造方法
CA000503154A CA1271488A (en) 1985-03-05 1986-03-03 Process for the preparation of 2-alkyl cyclopent-2- enones
US06/835,246 US4673759A (en) 1985-03-05 1986-03-03 Process for the preparation of 2-alkyl cyclopent-2-enones
EP86301568A EP0194144B1 (en) 1985-03-05 1986-03-05 Process for the preparation of 2-alkyl-cyclopent-2-enones
DE8686301568T DE3681307D1 (de) 1985-03-05 1986-03-05 Verfahren zur herstellung von 2-alkyl-cyclopent-2-enonen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19770/85A IT1200400B (it) 1985-03-05 1985-03-05 Procedimento per la preparazione di 2-alchil ciclopent-2-enoni

Publications (2)

Publication Number Publication Date
IT8519770A0 true IT8519770A0 (it) 1985-03-05
IT1200400B IT1200400B (it) 1989-01-18

Family

ID=11161081

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19770/85A IT1200400B (it) 1985-03-05 1985-03-05 Procedimento per la preparazione di 2-alchil ciclopent-2-enoni

Country Status (6)

Country Link
US (1) US4673759A (it)
EP (1) EP0194144B1 (it)
JP (1) JPS61218549A (it)
CA (1) CA1271488A (it)
DE (1) DE3681307D1 (it)
IT (1) IT1200400B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2696933B2 (ja) * 1987-06-16 1998-01-14 日産化学工業株式会社 置換環状ケトン及び置換環状エノン並びにそれらの製造法
US5227505A (en) * 1987-06-16 1993-07-13 Nissan Chemical Industries, Ltd. Substituted cyclic ketones, substituted cyclic enones, and process for producing the same
US5254708A (en) * 1987-06-16 1993-10-19 Nissan Chemical Industries, Ltd. Substituted cyclic ketones, substituted cyclic enones, and process for producing the same
EP0306919B1 (en) * 1987-09-07 1993-02-17 Daiso Co., Ltd. Liquid crystalline compounds and process for production thereof
JPH03109384A (ja) * 1989-09-22 1991-05-09 Japan Tobacco Inc （Ｓ）―４―ヒドロキシメチル―γ―ラクトンの製造方法
DE4007925A1 (de) * 1990-03-13 1991-09-19 Basf Ag Verfahren zur herstellung von cyclopentenonen
DE4231297A1 (de) * 1992-09-18 1994-03-24 Basf Ag Verfahren zur Herstellung von 3-(2'-Oxyethyl)-dihydro-2-(3H)furanonen
US5254707A (en) * 1992-12-07 1993-10-19 Ethyl Corporation Preparation of cyclopentadiene derivatives
CN111253231B (zh) * 2020-02-03 2021-08-03 厦门大学 一种4-环戊烯-1,3-二酮的制备方法
WO2023225645A1 (en) * 2022-05-19 2023-11-23 P2 Science, Inc. Improved synthetic methods for making lactones

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR765515A (fr) * 1933-12-15 1934-06-11 Maschmeijer Jr A Procédé pour la préparation de nouvelles cétones cycliques
US3299100A (en) * 1963-11-20 1967-01-17 Gulf Oil Corp Manufacture of butyrolactones
GB1228186A (it) * 1968-09-17 1971-04-15
IT1078770B (it) * 1976-01-21 1985-05-08 Cheminova As Procedimento per produrre (vinil-2,2-bisostituito)gamma-butirro-lattoni e prodotti ottenuti
GB1503857A (en) * 1976-05-25 1978-03-15 Cheminova As Production of chrysanthemic acid esters and homologues thereof

Also Published As

Publication number Publication date
EP0194144A3 (en) 1988-10-05
IT1200400B (it) 1989-01-18
US4673759A (en) 1987-06-16
DE3681307D1 (de) 1991-10-17
CA1271488A (en) 1990-07-10
JPS61218549A (ja) 1986-09-29
EP0194144B1 (en) 1991-09-11
EP0194144A2 (en) 1986-09-10

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