GB2373249A - A process for preparing 3-{[3-chloro-4-(methylsulfonyl)-phenyl]methylene}-2,4-pentanedione - Google Patents

A process for preparing 3-{[3-chloro-4-(methylsulfonyl)-phenyl]methylene}-2,4-pentanedione Download PDF

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Publication number
GB2373249A
GB2373249A GB0215787A GB0215787A GB2373249A GB 2373249 A GB2373249 A GB 2373249A GB 0215787 A GB0215787 A GB 0215787A GB 0215787 A GB0215787 A GB 0215787A GB 2373249 A GB2373249 A GB 2373249A
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GB
United Kingdom
Prior art keywords
methylsulfonyl
chloro
pentanedione
phenyl
methylene
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.)
Granted
Application number
GB0215787A
Other versions
GB0215787D0 (en
GB2373249B (en
Inventor
Kari Loennberg
Reijo Baeckstroem
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.)
Orion Oyj
Original Assignee
Orion Oyj
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 Orion Oyj filed Critical Orion Oyj
Publication of GB0215787D0 publication Critical patent/GB0215787D0/en
Publication of GB2373249A publication Critical patent/GB2373249A/en
Application granted granted Critical
Publication of GB2373249B publication Critical patent/GB2373249B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C315/00—Preparation of sulfones; Preparation of sulfoxides
    • C07C315/04—Preparation of sulfones; Preparation of sulfoxides by reactions not involving the formation of sulfone or sulfoxide groups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Pulmonology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogenated Pyridines (AREA)

Abstract

3- [3-Chloro-4-(methylsulfonyl)phenyl]methylene -2,4-pentanedione is prepared from 3-chloro-4-(methylsulfonyl)benzaldehyde and 2,4-pentanedione using 2-propanol or 2-propanol and DMF as a solvent and an amine optionally with a weak acid as a catalyst.

Description

(,2,UK Patent Application (19,GB 11)2 373 249 113A (43' Date of Printing
by UK Office 18.09.2002 (21) Application No OZ15787.3 (51) INTCL7 C07C 315/04 317/14// A61P 11/00
(22) Date of Filing 28.12.2000 (52) UK CL (Edition T) (30) Priority Data C2C CAA (31) 19992819 (32) 30.12.1999 (33) Fl U1S S1321 (86) International Application Data (56) Documents Cited by ISA PCT/FI2000/001150 En 28.12.2000 EP 0440324 A EP 0357403 A (87) International Publication Data WO2001/049660 En 12.07.2001 (58) Field of Search by ISA
INTCL7 C07C
(71) Applicant(s) Orion Corporation (74) Agent and/or Address for Service (Incorporated in Finland) J A Kemp & Co. Orionintie 1, 02200 Espoo, Finland 14 South Square, Gray's Inn, LONDON, WC1R 5JJ, United Kingdom (72) Inventor(s) Kari Lannberg Reilo Backstrom (54) Abstract Title A process for preparing 3-([3-chloro -(methylsulfonyl)-phenyl]methylenel-2,4pentanedione (57) 3-{13-Chloro-4-(methylsulfonyl)phenyllmethylene}-2,4pentanedione is prepared from 3-chloro-4-(methylsulfonyl)benzaldehyde and 2,4-pentanedione using 2-propanol or 2-propanol and DMF as a solvent and an amine optionally with a weak acid as a catalyst.
C) W D
GB0215787A 1999-12-30 2000-12-28 A process for preparing 3-{[3-chloro-4-(methylsulfonyl)-phenyl]methylene}-2,4-pentanedione Expired - Fee Related GB2373249B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992819 1999-12-30
PCT/FI2000/001150 WO2001049660A1 (en) 1999-12-30 2000-12-28 A process for preparing 3-{[3-chloro-4-(methylsulfonyl)-phenyl]methylene}-2,4-pentanedione

Publications (3)

Publication Number Publication Date
GB0215787D0 GB0215787D0 (en) 2002-08-14
GB2373249A true GB2373249A (en) 2002-09-18
GB2373249B GB2373249B (en) 2004-04-14

Family

ID=8555836

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0215787A Expired - Fee Related GB2373249B (en) 1999-12-30 2000-12-28 A process for preparing 3-{[3-chloro-4-(methylsulfonyl)-phenyl]methylene}-2,4-pentanedione

Country Status (3)

Country Link
AU (1) AU2519601A (en)
GB (1) GB2373249B (en)
WO (1) WO2001049660A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103613488B (en) * 2013-11-25 2015-09-23 格林生物科技股份有限公司 A kind of preparation method of 2-methyl-2-pentenal serving

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0357403A2 (en) * 1988-09-01 1990-03-07 Orion-Yhtymà„ Oy Substituted beta-diketones
EP0440324A2 (en) * 1990-02-02 1991-08-07 Orion-Yhtymà„ Oy Substituted beta-diketones and their use
WO2000001667A1 (en) * 1998-07-01 2000-01-13 Orion Corporation SUBSTITUTED β-DIKETONES AND THEIR USE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0357403A2 (en) * 1988-09-01 1990-03-07 Orion-Yhtymà„ Oy Substituted beta-diketones
EP0440324A2 (en) * 1990-02-02 1991-08-07 Orion-Yhtymà„ Oy Substituted beta-diketones and their use
WO2000001667A1 (en) * 1998-07-01 2000-01-13 Orion Corporation SUBSTITUTED β-DIKETONES AND THEIR USE

Also Published As

Publication number Publication date
GB0215787D0 (en) 2002-08-14
WO2001049660A1 (en) 2001-07-12
GB2373249B (en) 2004-04-14
AU2519601A (en) 2001-07-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041228