HUT57779A - Process for producing new thiazetoquinoline-3-carboxylic acid derivatives - Google Patents

Process for producing new thiazetoquinoline-3-carboxylic acid derivatives

Info

Publication number
HUT57779A
HUT57779A HU645290A HU645290A HUT57779A HU T57779 A HUT57779 A HU T57779A HU 645290 A HU645290 A HU 645290A HU 645290 A HU645290 A HU 645290A HU T57779 A HUT57779 A HU T57779A
Authority
HU
Hungary
Prior art keywords
carboxylic acid
thiazetoquinoline
acid derivatives
optically active
producing new
Prior art date
Application number
HU645290A
Other languages
Hungarian (hu)
Other versions
HU906452D0 (en
Inventor
Yasuo Ito
Hideo Kato
Eiichi Koshinaka
Nobuo Ogawa
Noriyuki Yagi
Toshihiko Yoshida
Tomio Suzuki
Original Assignee
Hokuriku Pharmaceutical
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 JP19129489A external-priority patent/JPH0356489A/en
Application filed by Hokuriku Pharmaceutical filed Critical Hokuriku Pharmaceutical
Publication of HU906452D0 publication Critical patent/HU906452D0/en
Publication of HUT57779A publication Critical patent/HUT57779A/en

Links

Abstract

Optically active thiazetoquinoline-3-carboxylic acid cpds. of formula (I) and their salts are new. (Where R1 = H or lower alkyl; R2 = F or Cl; R3 = H, lower alkanoyl, halogenated lower alkanoyl or the residue of a carboxylic acid ester; (asterisk) = an asymmetric C atom of S-or R- configuration). - 4 Cpds. (I), e.g. an optically active isomer of 7-((5)-3-amino-1-pyrrolidinyl) -8-chloro-6-fluoro-1-methyl-4-oxo -1H,4H-(1,3) thiazeto (3,2-a)quinoline-3-carboxylic acid (Ia) and an optically active isomer of 7-((R)-3-amino-1-pyrrolidinyl) -6,8 -difluoro-1-methyl-4-oxo-1H,4H-(1,3) thiazeto(3,2-a)quinoline-3-carb oxylic acid are specifically claimed.
HU645290A 1989-07-26 1990-10-15 Process for producing new thiazetoquinoline-3-carboxylic acid derivatives HUT57779A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP19129489A JPH0356489A (en) 1989-07-26 1989-07-26 Thiazetoquinoline-3-carboxylic acid derivative
JP26484089 1989-10-16
JP18066390 1990-07-10

Publications (2)

Publication Number Publication Date
HU906452D0 HU906452D0 (en) 1991-04-29
HUT57779A true HUT57779A (en) 1991-12-30

Family

ID=27324885

Family Applications (1)

Application Number Title Priority Date Filing Date
HU645290A HUT57779A (en) 1989-07-26 1990-10-15 Process for producing new thiazetoquinoline-3-carboxylic acid derivatives

Country Status (1)

Country Link
HU (1) HUT57779A (en)

Also Published As

Publication number Publication date
HU906452D0 (en) 1991-04-29

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Legal Events

Date Code Title Description
DFC9 Refusal of application