ES2178080T3 - Procedimiento para la preparacion de derivados de alcoxi-o ariloxi-pirazina. - Google Patents

Procedimiento para la preparacion de derivados de alcoxi-o ariloxi-pirazina.

Info

Publication number
ES2178080T3
ES2178080T3 ES98112192T ES98112192T ES2178080T3 ES 2178080 T3 ES2178080 T3 ES 2178080T3 ES 98112192 T ES98112192 T ES 98112192T ES 98112192 T ES98112192 T ES 98112192T ES 2178080 T3 ES2178080 T3 ES 2178080T3
Authority
ES
Spain
Prior art keywords
derivatives
preparation
procedure
pirazina
ariloxi
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
ES98112192T
Other languages
English (en)
Inventor
Rudolf Dr Fuchs
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.)
Lonza AG
Original Assignee
Lonza AG
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 Lonza AG filed Critical Lonza AG
Application granted granted Critical
Publication of ES2178080T3 publication Critical patent/ES2178080T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C07D241/10—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
    • C07D241/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • 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
    • C07D241/18—Oxygen or sulfur 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
    • C07D241/20—Nitrogen atoms

Landscapes

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

Abstract

SE DESCRIBE UN NUEVO PROCEDIMIENTO PARA PREPARAR DERIVADOS DE ALCOXIPIRAZINA O ARILOXIPIRAZINA DE FORMULA GENERAL. ESTOS SE OBTIENEN POR REACCION DE UN DERIVADO DE GLIOXAL DE FORMULA GENERAL Y UN AMINOIMIDATO DE FORMULA GENERAL. LOS DERIVADOS DE ALCOXIPIRAZINA O ARILOXIPIRAZINA SON PRODUCTOS INTERMEDIOS BASICOS PARA LA PREPARACION DE SUSTANCIAS ACTIVAS FARMACEUTICAMENTE EFECTIVAS.
ES98112192T 1997-07-03 1998-07-01 Procedimiento para la preparacion de derivados de alcoxi-o ariloxi-pirazina. Expired - Lifetime ES2178080T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH161597 1997-07-03

Publications (1)

Publication Number Publication Date
ES2178080T3 true ES2178080T3 (es) 2002-12-16

Family

ID=4214583

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98112192T Expired - Lifetime ES2178080T3 (es) 1997-07-03 1998-07-01 Procedimiento para la preparacion de derivados de alcoxi-o ariloxi-pirazina.

Country Status (9)

Country Link
US (3) US6066736A (es)
EP (1) EP0889038B1 (es)
JP (1) JP4660862B2 (es)
AT (1) ATE218130T1 (es)
CA (1) CA2241933C (es)
DE (1) DE59804221D1 (es)
DK (1) DK0889038T3 (es)
ES (1) ES2178080T3 (es)
PT (1) PT889038E (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005320249A (ja) * 2002-05-01 2005-11-17 Banyu Pharmaceut Co Ltd ２−アミノピラジン誘導体の製造方法
IL149499A (en) * 2002-05-06 2006-10-31 Bromine Compounds Ltd Process for the preparation of concentrated solutions of stabilized hypobromites
US20090142417A1 (en) * 2002-05-06 2009-06-04 Bromine Compounds Ltd. Process for the preparation of concentrated solutions of stabilized hypobromites
US7939042B2 (en) * 2002-05-06 2011-05-10 Bromine Compounds Ltd. Process for the preparation of concentrated solutions of stabilized hypobromites

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805223A (en) * 1955-02-14 1957-09-03 American Cyanamid Co Method of preparing 2-hydroxypyrazines
GB922735A (en) 1958-07-16 1963-04-03 Emi Ltd Improvements in or relating to resonant cavities
GB922725A (en) * 1960-07-08 1963-04-03 Farmaceutici Italia Pyrazine derivatives
FR1366718A (fr) * 1960-07-13 1964-07-17 Farmaceutici Italia Dérivés de pyrazine et procédés pour les préparer
US3660400A (en) * 1966-11-17 1972-05-02 Merck & Co Inc Lower alkyl 3-hydroxy and 3-mercaptopyrazinoates
NL7008625A (es) * 1969-06-25 1970-12-29
US3745161A (en) * 1970-04-20 1973-07-10 Merck & Co Inc Phenyl-hydroxy-pyrazine carboxylic acids and derivatives
US4041032A (en) * 1974-01-16 1977-08-09 Yamanouchi Pharmaceutical Co., Ltd. Pyrazine derivatives
JPS5283679A (en) * 1976-01-01 1977-07-12 Yamanouchi Pharmaceut Co Ltd Pirazine derivative
US5459266A (en) * 1994-02-04 1995-10-17 Hoechst Celanese Corporation Substituted pyrazines
CA2209465C (en) * 1996-07-11 2008-04-29 Lonza Ag Process for preparing 3-alkoxy-5-alkylpyrazin-2-amines

Also Published As

Publication number Publication date
CA2241933C (en) 2008-10-07
US20010012894A1 (en) 2001-08-09
CA2241933A1 (en) 1999-01-03
DE59804221D1 (de) 2002-07-04
US6291674B2 (en) 2001-09-18
JP4660862B2 (ja) 2011-03-30
JPH1171354A (ja) 1999-03-16
EP0889038B1 (de) 2002-05-29
US6066736A (en) 2000-05-23
DK0889038T3 (da) 2002-09-09
PT889038E (pt) 2002-10-31
EP0889038A1 (de) 1999-01-07
ATE218130T1 (de) 2002-06-15
US6235905B1 (en) 2001-05-22

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