EA200500966A1 - METHOD OF OBTAINING 3- [2- (3,4-DIMETOXYBENZOYL) -4,5-DIMETOXYPHENYL] PENTAN-2-SHE - Google Patents

METHOD OF OBTAINING 3- [2- (3,4-DIMETOXYBENZOYL) -4,5-DIMETOXYPHENYL] PENTAN-2-SHE

Info

Publication number
EA200500966A1
EA200500966A1 EA200500966A EA200500966A EA200500966A1 EA 200500966 A1 EA200500966 A1 EA 200500966A1 EA 200500966 A EA200500966 A EA 200500966A EA 200500966 A EA200500966 A EA 200500966A EA 200500966 A1 EA200500966 A1 EA 200500966A1
Authority
EA
Eurasian Patent Office
Prior art keywords
pentan
dimetoxybenzoyl
dimetoxyphenyl
obtaining
formula
Prior art date
Application number
EA200500966A
Other languages
Russian (ru)
Other versions
EA007788B1 (en
Inventor
Дьюла Шимиг
Шаму Эрика Мольнарне
Original Assignee
Эгиш Дьёдьсердьяр Рт.
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 Эгиш Дьёдьсердьяр Рт. filed Critical Эгиш Дьёдьсердьяр Рт.
Publication of EA200500966A1 publication Critical patent/EA200500966A1/en
Publication of EA007788B1 publication Critical patent/EA007788B1/en

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
    • C07C45/455—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives
    • 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
    • C07C45/515—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 acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/29—Saturated compounds containing keto groups bound to rings
    • C07C49/35—Saturated compounds containing keto groups bound to rings containing ether groups, groups, groups, or groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Изобретение относится к способу получения 3-[2-(3,4-диметоксибензоил)-4,5-диметоксифенил]пентан-2-она формулы (I), в котором исходным веществом является соединение общей формулы (II), где Rи R, каждый, обозначают Cалкил или вместе образуют Cалкилен.Международная заявка была опубликована вместе с отчетом о международном поиске.The invention relates to a method for producing 3- [2- (3,4-dimethoxybenzoyl) -4,5-dimethoxyphenyl] pentan-2-one of formula (I) in which the starting material is a compound of the general formula (II), each, designate Calkyl or together form Calkilen. The international application was published together with the international search report.

EA200500966A 2002-12-16 2002-12-31 Process for the preparation of 3-[2-(3,4-dimethoxy-benzoyl)-4,5-dimethoxy-phenyl]pentan-2-one EA007788B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU0204342A HU227044B1 (en) 2002-12-16 2002-12-16 Process for producing 3-[2-(3,4-dimethoxybenzoyl)-4,5-dimethoxyphenyl]-pentan-2-one
PCT/HU2002/000178 WO2004054951A1 (en) 2002-12-16 2002-12-31 Process for the preparation of 3-[2-(3,4-dimethoxy-benzoyl)-4,5-dimethoxy-phenyl]-pentan-2-one

Publications (2)

Publication Number Publication Date
EA200500966A1 true EA200500966A1 (en) 2005-12-29
EA007788B1 EA007788B1 (en) 2007-02-27

Family

ID=89981000

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200500966A EA007788B1 (en) 2002-12-16 2002-12-31 Process for the preparation of 3-[2-(3,4-dimethoxy-benzoyl)-4,5-dimethoxy-phenyl]pentan-2-one

Country Status (12)

Country Link
EP (1) EP1575890A1 (en)
JP (1) JP4437093B2 (en)
KR (1) KR100936306B1 (en)
AU (2) AU2002361068A1 (en)
BG (1) BG109230A (en)
CZ (1) CZ2005388A3 (en)
EA (1) EA007788B1 (en)
HU (1) HU227044B1 (en)
PL (1) PL376530A1 (en)
SK (1) SK702005A3 (en)
UA (1) UA78634C2 (en)
WO (2) WO2004054951A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100714181B1 (en) * 2005-07-04 2007-05-04 주식회사 자동기 Fuel supply system for snow removing apparatus
CN104098482B (en) * 2013-04-12 2016-04-20 江苏英力科技发展有限公司 A kind of 3,4-dimethoxy-N, the preparation method of N-dimethyl benzamide
CN104262128B (en) * 2014-09-04 2016-04-13 山东金城医药化工股份有限公司 The preparation method of Tofisopam intermediate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU194529B (en) * 1984-07-20 1988-02-29 Gyogyszerkutato Intezet New process for producing 2-aroyl-phenylacetone-derivatives
PL370036A1 (en) * 2001-12-13 2005-05-16 Egis Gyogyszergyar Rt. Process for the preparation of tofisopam and new intermediates

Also Published As

Publication number Publication date
PL376530A1 (en) 2006-01-09
SK702005A3 (en) 2005-09-08
UA78634C2 (en) 2007-04-10
WO2004054951A1 (en) 2004-07-01
HUP0204342A3 (en) 2004-11-29
BG109230A (en) 2006-04-28
JP4437093B2 (en) 2010-03-24
KR100936306B1 (en) 2010-01-12
HU227044B1 (en) 2010-05-28
JP2006509814A (en) 2006-03-23
KR20050085686A (en) 2005-08-29
EP1575890A1 (en) 2005-09-21
WO2004054952A1 (en) 2004-07-01
HU0204342D0 (en) 2003-02-28
AU2003292449A1 (en) 2004-07-09
AU2002361068A1 (en) 2004-07-09
HUP0204342A2 (en) 2004-07-28
EA007788B1 (en) 2007-02-27
CZ2005388A3 (en) 2005-09-14

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Legal Events

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TC4A Change in name of a patent proprietor in a eurasian patent

Designated state(s): AM AZ BY KZ KG MD TJ TM

QB4A Registration of a licence in a contracting state
QB4A Registration of a licence in a contracting state
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG MD TJ TM RU