JPS6486A - Tricyclic triazolopyrimidines - Google Patents

Tricyclic triazolopyrimidines

Info

Publication number
JPS6486A
JPS6486A JP63025136A JP2513688A JPS6486A JP S6486 A JPS6486 A JP S6486A JP 63025136 A JP63025136 A JP 63025136A JP 2513688 A JP2513688 A JP 2513688A JP S6486 A JPS6486 A JP S6486A
Authority
JP
Japan
Prior art keywords
substituted
halogeno
acidic
salt
formula
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.)
Granted
Application number
JP63025136A
Other languages
Japanese (ja)
Other versions
JPH0186A (en
JPH059436B2 (en
Inventor
Yoshio Isoda
Shunzo Aihara
Tamotsu Miwa
Hiroyuki Fujiwara
Shuichi Yokohama
Hiroo Matsumoto
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.)
Daiichi Pharmaceutical Co Ltd
Original Assignee
Daiichi 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 Daiichi Pharmaceutical Co Ltd filed Critical Daiichi Pharmaceutical Co Ltd
Priority to JP63-25136A priority Critical patent/JPH0186A/en
Priority claimed from JP63-25136A external-priority patent/JPH0186A/en
Publication of JPS6486A publication Critical patent/JPS6486A/en
Publication of JPH0186A publication Critical patent/JPH0186A/en
Publication of JPH059436B2 publication Critical patent/JPH059436B2/ja
Granted legal-status Critical Current

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

Abstract

NEW MATERIAL:A compound expressed by formula I {A represents identicalC-A' [A' represents H or (halogeno) lower alkyl] or identicalN-; R represents (halogeno) lower alkyl, (halogeno) alkenyl, (substituted) cycloalkyl or (substituted) cycloalkenyl; X represents single bond, (substituted) alkylene or (substituted) alkenylene} and salt thereof. EXAMPLE:6-(2-Cyclohexylethyl)-[1,3,4]thiadiazolo [3,2,a] [1,2,3]triazole [4,5- d]pyrimidin-3(1H)-one. USE:An antiallergic agent. PREPARATION:A compound (salt) expressed by formula II is added into an appropriate amount of an acidic solvent to form an acidic solution or acidic suspension, which is then reacted with a nitrite normally which being coold with ice - at ambient temperature for 30min - 1 day.
JP63-25136A 1987-02-06 1988-02-05 Tricyclic triazolopyrimidines Granted JPH0186A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63-25136A JPH0186A (en) 1987-02-06 1988-02-05 Tricyclic triazolopyrimidines

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2585387 1987-02-06
JP62-25853 1987-02-06
JP63-25136A JPH0186A (en) 1987-02-06 1988-02-05 Tricyclic triazolopyrimidines

Publications (3)

Publication Number Publication Date
JPS6486A true JPS6486A (en) 1989-01-05
JPH0186A JPH0186A (en) 1989-01-05
JPH059436B2 JPH059436B2 (en) 1993-02-04

Family

ID=

Also Published As

Publication number Publication date
JPH059436B2 (en) 1993-02-04

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees