JPS525795A - Preparation of tetrahydro pyridopyrimidinone derivatives - Google Patents

Preparation of tetrahydro pyridopyrimidinone derivatives

Info

Publication number
JPS525795A
JPS525795A JP50080277A JP8027775A JPS525795A JP S525795 A JPS525795 A JP S525795A JP 50080277 A JP50080277 A JP 50080277A JP 8027775 A JP8027775 A JP 8027775A JP S525795 A JPS525795 A JP S525795A
Authority
JP
Japan
Prior art keywords
tetrahydro
preparation
lower alkyl
pyridopyrimidinone derivatives
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.)
Pending
Application number
JP50080277A
Other languages
Japanese (ja)
Inventor
Hironobu Sato
Hiroshi Takagi
Seiji Kumakura
Hiroshi Fujita
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.)
Sankyo Co Ltd
Original Assignee
Sankyo 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 Sankyo Co Ltd filed Critical Sankyo Co Ltd
Priority to JP50080277A priority Critical patent/JPS525795A/en
Publication of JPS525795A publication Critical patent/JPS525795A/en
Pending legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

PURPOSE: Tetrahydropyridopyrimidinone derivatives of formula I (R1 and R2 are H, lower alkyl, R3 is H, lower alkyl, phenyl; R4 and R5 are lower alkyl or may form in combination with the adjacent N atom an alicyclic amino radical that may have substituent groups).
COPYRIGHT: (C)1977,JPO&Japio
JP50080277A 1975-06-28 1975-06-28 Preparation of tetrahydro pyridopyrimidinone derivatives Pending JPS525795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50080277A JPS525795A (en) 1975-06-28 1975-06-28 Preparation of tetrahydro pyridopyrimidinone derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50080277A JPS525795A (en) 1975-06-28 1975-06-28 Preparation of tetrahydro pyridopyrimidinone derivatives

Publications (1)

Publication Number Publication Date
JPS525795A true JPS525795A (en) 1977-01-17

Family

ID=13713768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50080277A Pending JPS525795A (en) 1975-06-28 1975-06-28 Preparation of tetrahydro pyridopyrimidinone derivatives

Country Status (1)

Country Link
JP (1) JPS525795A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342870A (en) * 1980-03-28 1982-08-03 Janssen Pharmaceutica N.V. Novel 3-(1-piperidinylalkyl)-4H-pyrido[1,2-a]pyrimidin-4-one derivatives

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342870A (en) * 1980-03-28 1982-08-03 Janssen Pharmaceutica N.V. Novel 3-(1-piperidinylalkyl)-4H-pyrido[1,2-a]pyrimidin-4-one derivatives

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