BRPI0416760A - sìntese de 2-cloro-3,6-dialquilpirazinas - Google Patents
sìntese de 2-cloro-3,6-dialquilpirazinasInfo
- 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
Links
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 238000003786 synthesis reaction Methods 0.000 title abstract 2
- 229940077476 2,5-piperazinedione Drugs 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3319946A1 (de) * | 2015-07-09 | 2018-05-16 | Evonik Degussa GmbH | Vereinfachtes und skalierfähiges verfahren zur synthese von 2,6-bis(methionyl)-1,4-diketopiperazin |
-
2004
- 2004-11-10 BR BRPI0416760-0A patent/BRPI0416760A/pt not_active IP Right Cessation
- 2004-11-10 WO PCT/IB2004/003702 patent/WO2005049583A1/en not_active Application Discontinuation
- 2004-11-10 EP EP04798839A patent/EP1687281A1/en not_active Withdrawn
- 2004-11-10 JP JP2006540644A patent/JP2007511598A/ja not_active Abandoned
- 2004-11-10 MX MXPA06005638A patent/MXPA06005638A/es unknown
- 2004-11-10 CA CA002546026A patent/CA2546026A1/en not_active Abandoned
- 2004-11-15 US US10/990,113 patent/US20050107610A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
MXPA06005638A (es) | 2006-08-17 |
WO2005049583A1 (en) | 2005-06-02 |
JP2007511598A (ja) | 2007-05-10 |
CA2546026A1 (en) | 2005-06-02 |
EP1687281A1 (en) | 2006-08-09 |
US20050107610A1 (en) | 2005-05-19 |
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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. |