JPS572294A - Novel heterocyclic compound and its preparation - Google Patents

Novel heterocyclic compound and its preparation

Info

Publication number
JPS572294A
JPS572294A JP7634680A JP7634680A JPS572294A JP S572294 A JPS572294 A JP S572294A JP 7634680 A JP7634680 A JP 7634680A JP 7634680 A JP7634680 A JP 7634680A JP S572294 A JPS572294 A JP S572294A
Authority
JP
Japan
Prior art keywords
formula
compound
preparation
lower alkyl
carboxyl
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
JP7634680A
Other languages
Japanese (ja)
Inventor
Kazuo Kubo
Tokuki Ito
Yasuo Isomura
Hiroshige Honma
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.)
Yamanouchi Pharmaceutical Co Ltd
Original Assignee
Yamanouchi 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 Yamanouchi Pharmaceutical Co Ltd filed Critical Yamanouchi Pharmaceutical Co Ltd
Priority to JP7634680A priority Critical patent/JPS572294A/en
Publication of JPS572294A publication Critical patent/JPS572294A/en
Pending legal-status Critical Current

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

NEW MATERIAL:Heterocyclic compounds of formula I [R1 is H, lower alkyl, substituted lower alkyl, lower alkanoyl; Y is S, >S(0)m (m is 1, 2), imino or lower alkyl-substituted imino; n is 1,2] and their salts.
EXAMPLE: 5-Oxo-2,3-dihydro-5H-thieno-[3,2-d]thiazolo[3,2-a]pyridine-1-oxide.
USE: Analgesic anti-inflammatory.
PREPARATION: A compound of formula II1 (A is carboxyl or cyano group; B is hydroxyl, lower alkoxy group, where when A is carboxyl, B is hydroxyl) and an equimolar or excessive amount of a compound of formula I1 are heated in an organic solvent inert to the reaction such as methanol, ethanol or dichlorobenzene, preferably in the presence of an acid catalyst such as acetic acid, to give the compound of formula I.
COPYRIGHT: (C)1982,JPO&Japio
JP7634680A 1980-06-06 1980-06-06 Novel heterocyclic compound and its preparation Pending JPS572294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7634680A JPS572294A (en) 1980-06-06 1980-06-06 Novel heterocyclic compound and its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7634680A JPS572294A (en) 1980-06-06 1980-06-06 Novel heterocyclic compound and its preparation

Publications (1)

Publication Number Publication Date
JPS572294A true JPS572294A (en) 1982-01-07

Family

ID=13602791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7634680A Pending JPS572294A (en) 1980-06-06 1980-06-06 Novel heterocyclic compound and its preparation

Country Status (1)

Country Link
JP (1) JPS572294A (en)

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