DE2519816A1 - Verfahren zur herstellung von pyrido- eckige klammer auf 1,2-a eckige klammer zu pyrimidincarbonsaeure - Google Patents

Verfahren zur herstellung von pyrido- eckige klammer auf 1,2-a eckige klammer zu pyrimidincarbonsaeure

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Publication number
DE2519816A1
DE2519816A1 DE19752519816 DE2519816A DE2519816A1 DE 2519816 A1 DE2519816 A1 DE 2519816A1 DE 19752519816 DE19752519816 DE 19752519816 DE 2519816 A DE2519816 A DE 2519816A DE 2519816 A1 DE2519816 A1 DE 2519816A1
Authority
DE
Germany
Prior art keywords
pyrido
acid
amino
orthoformate
cyclizing
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.)
Pending
Application number
DE19752519816
Other languages
German (de)
English (en)
Inventor
Hans Prof Dr Junek
Hanswerner Schmidt
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
Publication of DE2519816A1 publication Critical patent/DE2519816A1/de
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
DE19752519816 1975-04-02 1975-05-03 Verfahren zur herstellung von pyrido- eckige klammer auf 1,2-a eckige klammer zu pyrimidincarbonsaeure Pending DE2519816A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH414175A CH593282A5 (ru) 1975-04-02 1975-04-02

Publications (1)

Publication Number Publication Date
DE2519816A1 true DE2519816A1 (de) 1976-10-21

Family

ID=4270581

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752519816 Pending DE2519816A1 (de) 1975-04-02 1975-05-03 Verfahren zur herstellung von pyrido- eckige klammer auf 1,2-a eckige klammer zu pyrimidincarbonsaeure

Country Status (2)

Country Link
CH (1) CH593282A5 (ru)
DE (1) DE2519816A1 (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474953A (en) * 1982-09-09 1984-10-02 Riker Laboratories, Inc. Process and intermediates for the preparation of 3(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-ones
US4507477A (en) * 1982-09-09 1985-03-26 Riker Laboratories, Inc. Process for tetrazolyl-pyrimidinone derivatives

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474953A (en) * 1982-09-09 1984-10-02 Riker Laboratories, Inc. Process and intermediates for the preparation of 3(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-ones
US4507477A (en) * 1982-09-09 1985-03-26 Riker Laboratories, Inc. Process for tetrazolyl-pyrimidinone derivatives

Also Published As

Publication number Publication date
CH593282A5 (ru) 1977-11-30

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