BRPI0416760A - sìntese de 2-cloro-3,6-dialquilpirazinas - Google Patents

sìntese de 2-cloro-3,6-dialquilpirazinas

Info

Publication number
BRPI0416760A
BRPI0416760A BRPI0416760-0A BRPI0416760A BRPI0416760A BR PI0416760 A BRPI0416760 A BR PI0416760A BR PI0416760 A BRPI0416760 A BR PI0416760A BR PI0416760 A BRPI0416760 A BR PI0416760A
Authority
BR
Brazil
Prior art keywords
synthesis
dialkylpyrazines
chloro
dialkylpyrazins
piperazinedione
Prior art date
Application number
BRPI0416760-0A
Other languages
English (en)
Inventor
David Warner Rappath
Original Assignee
Pharmacia & Upjohn Co Llc
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 Pharmacia & Upjohn Co Llc filed Critical Pharmacia & Upjohn Co Llc
Publication of BRPI0416760A publication Critical patent/BRPI0416760A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/06—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members
    • C07D241/08—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members 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
    • C07D241/16—Halogen atoms; Nitro radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

"SìNTESE DE 2-CLORO-3,6-DIALQUILPIRAZINAS". A presente invenção refere-se a um processo para a produção de 3,6-dialquil-2,5-piperazinadionas como descrito.
BRPI0416760-0A 2003-11-19 2004-11-10 sìntese de 2-cloro-3,6-dialquilpirazinas BRPI0416760A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52349903P 2003-11-19 2003-11-19
PCT/IB2004/003702 WO2005049583A1 (en) 2003-11-19 2004-11-10 Synthesis of 2-chloro-3,6-dialkyl pyrazines

Publications (1)

Publication Number Publication Date
BRPI0416760A true BRPI0416760A (pt) 2007-04-03

Family

ID=34619607

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416760-0A BRPI0416760A (pt) 2003-11-19 2004-11-10 sìntese de 2-cloro-3,6-dialquilpirazinas

Country Status (7)

Country Link
US (1) US20050107610A1 (pt)
EP (1) EP1687281A1 (pt)
JP (1) JP2007511598A (pt)
BR (1) BRPI0416760A (pt)
CA (1) CA2546026A1 (pt)
MX (1) MXPA06005638A (pt)
WO (1) WO2005049583A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180194804A1 (en) * 2015-07-09 2018-07-12 Evonik Degussa Gmbh Simplified and scalable method for synthesis of 2,6-bis(methionyl)- 1,4-diketopiperazine

Also Published As

Publication number Publication date
WO2005049583A1 (en) 2005-06-02
MXPA06005638A (es) 2006-08-17
EP1687281A1 (en) 2006-08-09
US20050107610A1 (en) 2005-05-19
JP2007511598A (ja) 2007-05-10
CA2546026A1 (en) 2005-06-02

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.