JPS55118485A - Benzo ij quinolizine-2-carboxylic acid derivative - Google Patents

Benzo ij quinolizine-2-carboxylic acid derivative

Info

Publication number
JPS55118485A
JPS55118485A JP13163279A JP13163279A JPS55118485A JP S55118485 A JPS55118485 A JP S55118485A JP 13163279 A JP13163279 A JP 13163279A JP 13163279 A JP13163279 A JP 13163279A JP S55118485 A JPS55118485 A JP S55118485A
Authority
JP
Japan
Prior art keywords
benzo
quinolizine
carboxylic acid
formula
acid derivative
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
JP13163279A
Other languages
Japanese (ja)
Inventor
Hiroshi Ishikawa
Fujio Tafusa
Kazuyuki Nakagawa
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.)
Otsuka Pharmaceutical Co Ltd
Original Assignee
Otsuka Pharmaceutical 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 Otsuka Pharmaceutical Co Ltd filed Critical Otsuka Pharmaceutical Co Ltd
Priority to JP13163279A priority Critical patent/JPS55118485A/en
Publication of JPS55118485A publication Critical patent/JPS55118485A/en
Pending legal-status Critical Current

Links

Abstract

NEW MATERIAL:A benzo[ij]quinolizine-2-carboxylic acid derivative of formula I (R1 is lower alkyl group, R2 is halogen; R3 is H, lower alkyl, or lower alkanoyl group) and its salt.
EXAMPLE: 8-(1-Piperazinyl)-9-chloro-5-methyl-6,7-dihydro-1-oxo-1H, 5H-benzo[ij] quinolizine-2-carboxylic acid.
USE: Antibacterials effective against Gram-positive and Gram-negative bacteria, particularly Pseudomonas aeruginosa and hemolytic streptococci, capable of increasing the activity by the combination with serum.
PROCESS: A benzo-hetero cyclic compound derivative of formula II (X1 is halogen) is reacted with a piperazine of formula III in an inert solvent, e.g. DMSO or DMF, at 100°CW250°C and 1W20atm to give the compound of formula I.
COPYRIGHT: (C)1980,JPO&Japio
JP13163279A 1979-10-11 1979-10-11 Benzo ij quinolizine-2-carboxylic acid derivative Pending JPS55118485A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13163279A JPS55118485A (en) 1979-10-11 1979-10-11 Benzo ij quinolizine-2-carboxylic acid derivative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13163279A JPS55118485A (en) 1979-10-11 1979-10-11 Benzo ij quinolizine-2-carboxylic acid derivative

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2720479A Division JPS55118416A (en) 1979-03-07 1979-03-07 Antibacterial agent

Publications (1)

Publication Number Publication Date
JPS55118485A true JPS55118485A (en) 1980-09-11

Family

ID=15062580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13163279A Pending JPS55118485A (en) 1979-10-11 1979-10-11 Benzo ij quinolizine-2-carboxylic acid derivative

Country Status (1)

Country Link
JP (1) JPS55118485A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193459A (en) * 1981-05-22 1982-11-27 Otsuka Pharmaceut Co Ltd Quinoline derivative

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193459A (en) * 1981-05-22 1982-11-27 Otsuka Pharmaceut Co Ltd Quinoline derivative
JPH0154344B2 (en) * 1981-05-22 1989-11-17 Otsuka Pharma Co Ltd

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