DE69404529T2 - Verfahren zur Herstellung von Cyclopentenonen - Google Patents

Verfahren zur Herstellung von Cyclopentenonen

Info

Publication number
DE69404529T2
DE69404529T2 DE69404529T DE69404529T DE69404529T2 DE 69404529 T2 DE69404529 T2 DE 69404529T2 DE 69404529 T DE69404529 T DE 69404529T DE 69404529 T DE69404529 T DE 69404529T DE 69404529 T2 DE69404529 T2 DE 69404529T2
Authority
DE
Germany
Prior art keywords
cyclopentenones
preparation
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
DE69404529T
Other languages
English (en)
Other versions
DE69404529T3 (de
DE69404529D1 (de
Inventor
John Yuchu Lee
Meng-Sheng Ao
Stephen Edward Belmont
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.)
Albemarle Corp
Original Assignee
Albemarle Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21777168&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69404529(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Albemarle Corp filed Critical Albemarle Corp
Application granted granted Critical
Publication of DE69404529D1 publication Critical patent/DE69404529D1/de
Publication of DE69404529T2 publication Critical patent/DE69404529T2/de
Publication of DE69404529T3 publication Critical patent/DE69404529T3/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
    • C07C45/61—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
    • C07C45/65—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
    • C07C45/66—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69404529T 1993-02-11 1994-02-10 Verfahren zur Herstellung von Cyclopentenonen Expired - Lifetime DE69404529T3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/016,447 US5276199A (en) 1993-02-11 1993-02-11 Process for preparing cyclopentenones

Publications (3)

Publication Number Publication Date
DE69404529D1 DE69404529D1 (de) 1997-09-04
DE69404529T2 true DE69404529T2 (de) 1997-12-04
DE69404529T3 DE69404529T3 (de) 2001-02-01

Family

ID=21777168

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69404529T Expired - Lifetime DE69404529T3 (de) 1993-02-11 1994-02-10 Verfahren zur Herstellung von Cyclopentenonen

Country Status (5)

Country Link
US (1) US5276199A (de)
EP (1) EP0621253B2 (de)
JP (1) JP3553118B2 (de)
CA (1) CA2113322C (de)
DE (1) DE69404529T3 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276199A (en) * 1993-02-11 1994-01-04 Ethyl Corporation Process for preparing cyclopentenones
US5939347A (en) * 1995-01-25 1999-08-17 W.R. Grace & Co. -Conn. Supported catalytic activator
US5763664A (en) * 1995-12-01 1998-06-09 Albemarle Corporation Process for preparing cyclopentenones
AU6636498A (en) * 1997-03-10 1998-09-29 Hanil Synthetic Fiber Co., Ltd. Process for preparation of cyclopentenones in supercritical fluids
KR100614395B1 (ko) * 2004-05-24 2006-08-18 주식회사 엘지화학 사이클로펜텐온의 제조방법
CN105294418B (zh) * 2015-11-11 2017-07-25 中国科学院山西煤炭化学研究所 一种制备3‑甲基‑2‑环戊烯‑1‑酮的方法
CN112028757B (zh) * 2020-09-08 2022-04-05 乐威医药（江苏）股份有限公司 一种3-甲基-2-环戊烯-1-酮的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2387587A (en) † 1939-01-04 1945-10-23 Hunsdiecker Heinz Process of manufacturing cyclopentenone derivatives
DE765015C (de) * 1939-01-05 1952-09-29 Heinz Hunsdiecker Dr Verfahren zur Herstellung von aliphatisch substituierten Cyclopentenonen durch Cyclisierung von ª†-Diketonen (2, 5-Diketonen)
CH566953A5 (de) * 1972-04-07 1975-09-30 Givaudan & Cie Sa
JPS52122344A (en) * 1976-04-05 1977-10-14 Tatsuya Shiyouno Process for manufacture of cyclopentenone derivatives
IT1170704B (it) * 1981-02-11 1987-06-03 Giovanni Piancatelli Procedimento per la sintesi di derivati del 3-chetociclopentene-5-ossi ad attivita' insetticida
US5026919A (en) * 1985-12-20 1991-06-25 Mobil Oil Corporation Base-catalyzed reactions using zeolite catalysts
US5276199A (en) * 1993-02-11 1994-01-04 Ethyl Corporation Process for preparing cyclopentenones

Also Published As

Publication number Publication date
EP0621253B2 (de) 2000-08-09
EP0621253A2 (de) 1994-10-26
EP0621253A3 (de) 1995-02-01
DE69404529T3 (de) 2001-02-01
DE69404529D1 (de) 1997-09-04
JPH06340571A (ja) 1994-12-13
JP3553118B2 (ja) 2004-08-11
US5276199A (en) 1994-01-04
CA2113322C (en) 2005-07-26
CA2113322A1 (en) 1994-08-12
EP0621253B1 (de) 1997-07-30

Similar Documents

Publication Publication Date Title
DE69416236D1 (de) Verfahren zur Herstellung von Isocyanatoorganosilanen
DE69426173D1 (de) Verfahren zur Herstellung von beta-Cyanoalkylsilanen
DE69424446D1 (de) Verfahren zur Herstellung von Alkylsulfinylbenzamiden
DE69432649D1 (de) Verfahren zur Herstellung von 1-Halogen-1-jodethan
DE69403042T2 (de) Verfahren zur Herstellung von Alkylcyclopentadienen
DE59407416D1 (de) Verfahren zur Herstellung von N-Alkenylpyrrolidonen
DE69306099T2 (de) Verfahren zur Herstellung von Monoalkenylbenzolen
DE69417526D1 (de) Verfahren zur Herstellung von cis-1-Aminoindan-2-ol
DE59401893D1 (de) Verfahren zur Herstellung von Trifluormethylanilinen
DE59401525D1 (de) Verfahren zur Herstellung von Acetoacetarylamiden
DE69404529D1 (de) Verfahren zur Herstellung von Cyclopentenonen
DE59402596D1 (de) Verfahren zur Herstellung von 5-Acetoacetylaminobenzimidazolon-2
DE59403834D1 (de) Verfahren zur Herstellung von m-Chloraromaten
DE69404103D1 (de) Verfahren zur Herstellung von Dibenzylaminen
DE69409551D1 (de) Verfahren zur Herstellung von 2-Chloro-5-aminomethylpyridinen
DE59405751D1 (de) Verfahren zur Herstellung von Aminopropionitrilen
DE59407425D1 (de) Verfahren zur Herstellung von Fluornitrobenzolen
DE59400502D1 (de) Verfahren zur Herstellung von Acylcyclopropanen
DE59407426D1 (de) Verfahren zur Herstellung von Fluorbenzonitrilen
DE69400951D1 (de) Verfahren zur Herstellung von Dicyclopentyldichlorosilan
DE69411648T2 (de) Verfahren zur Herstellung von Monoalkenylbenzolen
DE59400305D1 (de) Verfahren zur Herstellung von 4-Methylpyrimidinen
DE69304508T2 (de) Verfahren zur Herstellung von Monoalkenylbenzolen
DE69405290T2 (de) Verfahren zur Herstellung von Diacetoxybuten
DE59400401D1 (de) Verfahren zur Herstellung von 2-Amino-5-aminomethyl-pyridin

Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings