GB1215878A - Sydnone derivatives - Google Patents

Sydnone derivatives

Info

Publication number
GB1215878A
GB1215878A GB1749368A GB1749368A GB1215878A GB 1215878 A GB1215878 A GB 1215878A GB 1749368 A GB1749368 A GB 1749368A GB 1749368 A GB1749368 A GB 1749368A GB 1215878 A GB1215878 A GB 1215878A
Authority
GB
United Kingdom
Prior art keywords
compound
formula
sydnones
analgesics
paraformaldehyde
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.)
Expired
Application number
GB1749368A
Inventor
Yoshio Imashiro
Katsutada Masuda
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries 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 Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to GB1749368A priority Critical patent/GB1215878A/en
Publication of GB1215878A publication Critical patent/GB1215878A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
    • C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
    • C07D271/04—1,2,3-Oxadiazoles; Hydrogenated 1,2,3-oxadiazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

1,215,878. Sydnones. TAKEDA YAKUHIN KOGYO K.K. 11 April, 1968, No. 17493/68. Heading C2C. Novel compounds of Formula I in which R 1 , R 2 , R 3 and R 4 are C 1-5 alkyl, C 2-3 alkenyl, C 7-9 aralkyl, or R 1 and R 2 and/or R 3 and R 4 together with the adjacent nitrogen atom form a 5-7 membered heterocyclic ring and their pharmaceutically acceptable salts are prepared by reacting a compound of Formula II with paraformaldehyde and an amine HNR 3 (R 4 ). Pharmaceutical compositions comprise a compound I or its salt together with a diluent or carrier and are suitable for oral or parenteral administration as analgesics.
GB1749368A 1968-04-11 1968-04-11 Sydnone derivatives Expired GB1215878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1749368A GB1215878A (en) 1968-04-11 1968-04-11 Sydnone derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1749368A GB1215878A (en) 1968-04-11 1968-04-11 Sydnone derivatives

Publications (1)

Publication Number Publication Date
GB1215878A true GB1215878A (en) 1970-12-16

Family

ID=10096137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1749368A Expired GB1215878A (en) 1968-04-11 1968-04-11 Sydnone derivatives

Country Status (1)

Country Link
GB (1) GB1215878A (en)

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