BE751494A - 2-amino-3-chloro-pyrazine - Google Patents

2-amino-3-chloro-pyrazine

Info

Publication number
BE751494A
BE751494A BE751494DA BE751494A BE 751494 A BE751494 A BE 751494A BE 751494D A BE751494D A BE 751494DA BE 751494 A BE751494 A BE 751494A
Authority
BE
Belgium
Prior art keywords
amino
pyrazine
chloro
rconme2
hydroxypyrazine
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Eisai Co Ltd
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 Eisai Co Ltd filed Critical Eisai Co Ltd
Publication of BE751494A publication Critical patent/BE751494A/en

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
    • C07D241/20—Nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

2-Amino-3-chloro-pyrazine. Title cpd. useful as an intermediate for drugs, is prepd. easily and in good yield by reacting 2-amino-3-hydroxypyrazine with POCl3 in the presence of RCONMe2 where R is H or -NMe2.
BE751494D 1970-06-04 1970-06-04 2-amino-3-chloro-pyrazine BE751494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE751494 1970-06-04

Publications (1)

Publication Number Publication Date
BE751494A true BE751494A (en) 1970-11-16

Family

ID=3856591

Family Applications (1)

Application Number Title Priority Date Filing Date
BE751494D BE751494A (en) 1970-06-04 1970-06-04 2-amino-3-chloro-pyrazine

Country Status (1)

Country Link
BE (1) BE751494A (en)

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: EISAI K.K.

Effective date: 19900604