GB2099820B - Preparation of pyrazine derivatives - Google Patents

Preparation of pyrazine derivatives

Info

Publication number
GB2099820B
GB2099820B GB8215082A GB8215082A GB2099820B GB 2099820 B GB2099820 B GB 2099820B GB 8215082 A GB8215082 A GB 8215082A GB 8215082 A GB8215082 A GB 8215082A GB 2099820 B GB2099820 B GB 2099820B
Authority
GB
United Kingdom
Prior art keywords
preparation
pyrazine derivatives
pyrazine
derivatives
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
Application number
GB8215082A
Other versions
GB2099820A (en
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.)
Pfizer Italia SRL
Original Assignee
Farmitalia Carlo Erba SRL
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 Farmitalia Carlo Erba SRL filed Critical Farmitalia Carlo Erba SRL
Priority to GB8215082A priority Critical patent/GB2099820B/en
Publication of GB2099820A publication Critical patent/GB2099820A/en
Application granted granted Critical
Publication of GB2099820B publication Critical patent/GB2099820B/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D241/00Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10Heterocyclic 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
    • C07D241/14Heterocyclic 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
    • C07D241/24Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB8215082A 1981-05-28 1982-05-24 Preparation of pyrazine derivatives Expired GB2099820B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8215082A GB2099820B (en) 1981-05-28 1982-05-24 Preparation of pyrazine derivatives

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8116263 1981-05-28
GB8215082A GB2099820B (en) 1981-05-28 1982-05-24 Preparation of pyrazine derivatives

Publications (2)

Publication Number Publication Date
GB2099820A GB2099820A (en) 1982-12-15
GB2099820B true GB2099820B (en) 1984-10-10

Family

ID=26279609

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8215082A Expired GB2099820B (en) 1981-05-28 1982-05-24 Preparation of pyrazine derivatives

Country Status (1)

Country Link
GB (1) GB2099820B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103664805B (en) * 2013-12-05 2016-05-11 华北水利水电大学 A kind of method of preparing Acipimox

Also Published As

Publication number Publication date
GB2099820A (en) 1982-12-15

Similar Documents

Publication Publication Date Title
AU552029B2 (en) Derivatives of n-dihydrothiazolyl-3-quinoline
PT75372A (en) Process for the preparation of pyridazine derivatives
GB8431686D0 (en) Derivatives of 3-benzylidene camphor
IL67157A0 (en) Preparation of eburnamonine derivatives
GB2095664B (en) Preparation of a -trifluoromethyl pyridine
GB2119365B (en) Preparation of azinomethyl-rifamycins
GB2196006B (en) Preparation of pyrroloindole derivatives
IL67432A0 (en) Preparation of hetaryloxy-acetamides
JPS57166993A (en) Preparation of chunicamycin
IL66419A0 (en) Preparation of 4-amino-butyramide
GB2099820B (en) Preparation of pyrazine derivatives
ZA823660B (en) Preparation of pyrazine derivatives
GB8321943D0 (en) Preparation of 2,3-dihydro-benzopyranone derivatives
ZA827270B (en) Thiosulfenamide derivatives of n-phosphonomethylglycinonitriles
GB2107309B (en) Preparation of 2-amino-4-hydroxy-5-halo-substituted pyrimidine derivatives
IL65060A (en) Preparation of 4-hydroxy-6-methyl-2-pyrone
GB2110665B (en) Preparation of aminocyclopentanealkenoic acids
AU547854B2 (en) Preparation of pyridyloxyphenol compounds
DE3268488D1 (en) Preparation of 6-substituted-7-oxo-pgi derivatives
GB2110676B (en) Preparation of 3-alkoxycycloalk-2-en-1-ones
JPS57175191A (en) Manufacture of caffein
GB2095661B (en) Preparation of an ampicillin derivative
AU562839B2 (en) Preparation of aminoalkylureas
HRP921425B1 (en) Process for the preparation of pyrazine derivatives
GB2111054B (en) Preparation of formyl-butyric acid derivatives

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20020523