RO81939B - Procedeu pentru prepararea unor derivati de 6-halo-4-oxo-7-(1-piperazinil)-1, 8-naftiridina - Google Patents

Procedeu pentru prepararea unor derivati de 6-halo-4-oxo-7-(1-piperazinil)-1, 8-naftiridina

Info

Publication number
RO81939B
RO81939B RO103693A RO10369379A RO81939B RO 81939 B RO81939 B RO 81939B RO 103693 A RO103693 A RO 103693A RO 10369379 A RO10369379 A RO 10369379A RO 81939 B RO81939 B RO 81939B
Authority
RO
Romania
Prior art keywords
group
halo
oxo
preparation
pyperazinyl
Prior art date
Application number
RO103693A
Other languages
English (en)
Other versions
RO81939A (ro
Inventor
Jun-Ichi Matsumoto
Yoshiyuki Takase
Yoshiro Nishimura
Original Assignee
Laboratoire Roger Bellon
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
Priority claimed from JP15793978A external-priority patent/JPS5583785A/ja
Priority claimed from JP16209578A external-priority patent/JPS5592385A/ja
Application filed by Laboratoire Roger Bellon filed Critical Laboratoire Roger Bellon
Publication of RO81939B publication Critical patent/RO81939B/ro
Publication of RO81939A publication Critical patent/RO81939A/ro

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  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

Inventia se refera la un procedeu pentru prepararea unui derivat de 6-halo-4-oxo-7-(1-piperazinil)-1,8-naftiridina reprezentat prin formula I: (vezi formula) în care X reprezinta un atom de halogen, R1 este o grupa de etil sau una vinil si R2 este unatom de hidrogen sau o grupa alchil inferioara. Procedeul consta în aceea ca, un derivat de 6-halo-4-oxo-1,8-naftiridina reprezentat prin formula II: (vezi formula) în care Y reprezinta un atom de halogen, o grupa alcoxi inferioara, o grupa alchilti o inferioara, o grupa alchilsulfonil inferioara, o grupa alchilsulfoniloxi, R4 reprezinta o grupa carboxil sau o alcoxicarbonil...
RO79103693A 1978-12-20 1979-09-13 Procedeu pentru prepararea unor derivati de halo-4-oxo-7-(1-pyperazinil)-1,8-naftitidina RO81939A (ro)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15793978A JPS5583785A (en) 1978-12-20 1978-12-20 6-fluoro-1,8-naphthyridine derivative and its salt
JP16209578A JPS5592385A (en) 1978-12-29 1978-12-29 1-vinyl-1,8-naphthylidine derivative and its salt

Publications (2)

Publication Number Publication Date
RO81939B true RO81939B (ro) 1983-05-30
RO81939A RO81939A (ro) 1983-06-01

Family

ID=26485214

Family Applications (4)

Application Number Title Priority Date Filing Date
RO79103693A RO81939A (ro) 1978-12-20 1979-09-13 Procedeu pentru prepararea unor derivati de halo-4-oxo-7-(1-pyperazinil)-1,8-naftitidina
RO79103694A RO81942A (ro) 1978-12-20 1979-09-13 Procedeu pentru prepararea unor derivati de naftiridina
RO7998656A RO77558A (ro) 1978-12-20 1979-09-13 Procedeu pentru prepararea unor derivati de naftiridina
RO79103692A RO81940A (ro) 1978-12-20 1979-09-13 PROCEDEU PENTRU PREPARAREA UNOR DERIVATI DE 6-HALO-OXO-7-(1-PIPEљAZINIL)-1,8-NAFTIRIDINA

Family Applications After (3)

Application Number Title Priority Date Filing Date
RO79103694A RO81942A (ro) 1978-12-20 1979-09-13 Procedeu pentru prepararea unor derivati de naftiridina
RO7998656A RO77558A (ro) 1978-12-20 1979-09-13 Procedeu pentru prepararea unor derivati de naftiridina
RO79103692A RO81940A (ro) 1978-12-20 1979-09-13 PROCEDEU PENTRU PREPARAREA UNOR DERIVATI DE 6-HALO-OXO-7-(1-PIPEљAZINIL)-1,8-NAFTIRIDINA

Country Status (1)

Country Link
RO (4) RO81939A (ro)

Also Published As

Publication number Publication date
RO81940B (ro) 1983-05-30
RO81939A (ro) 1983-06-01
RO77558A (ro) 1982-04-12
RO81940A (ro) 1983-06-01
RO81942A (ro) 1983-06-01
RO81942B (ro) 1983-05-30

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