IE43594L - Pharmaceutical compositions - Google Patents

Pharmaceutical compositions

Info

Publication number
IE43594L
IE43594L IE752423A IE242375A IE43594L IE 43594 L IE43594 L IE 43594L IE 752423 A IE752423 A IE 752423A IE 242375 A IE242375 A IE 242375A IE 43594 L IE43594 L IE 43594L
Authority
IE
Ireland
Prior art keywords
formula
pharmaceutical compositions
gb1529463a
pyrans
pylon
Prior art date
Application number
IE752423A
Other versions
IE43594B1 (en
Original Assignee
Smithkline Corp
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 Smithkline Corp filed Critical Smithkline Corp
Publication of IE43594L publication Critical patent/IE43594L/en
Publication of IE43594B1 publication Critical patent/IE43594B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C07D309/38—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms one oxygen atom in position 2 or 4, e.g. pyrones

Landscapes

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

Abstract

1529463 Pyrans SMITHKLINE CORP 13 Oct 1975 [11 Nov 1974] 41844/75 Heading C2C [Also in Division A5] Substituted 4,6-dihydroxy-2H-pylon-2-ones of the formula wherein R is C 1-6 straight or branched chain alkyl, the R's being identical are prepared by reacting acetonedicarboxylic acid and an appropriate acid anhydride of formula where R is as defined above. The compounds inhibit the antigen-antibody reaction and are useful in the treatment of allergic diseases such as asthma, rhinitis and urticaria. [GB1529463A]
IE2423/75A 1974-11-11 1975-11-06 Pharmaceutical compositions IE43594B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52283774A 1974-11-11 1974-11-11

Publications (2)

Publication Number Publication Date
IE43594L true IE43594L (en) 1976-05-11
IE43594B1 IE43594B1 (en) 1981-04-08

Family

ID=24082586

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2423/75A IE43594B1 (en) 1974-11-11 1975-11-06 Pharmaceutical compositions

Country Status (8)

Country Link
AU (1) AU498774B2 (en)
BE (1) BE835266A (en)
CA (1) CA1057661A (en)
DE (1) DE2550647A1 (en)
FR (1) FR2290197A1 (en)
GB (1) GB1529463A (en)
IE (1) IE43594B1 (en)
ZA (1) ZA757067B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153720A (en) * 1978-01-19 1979-05-08 Smithkline Corporation 3-Acyl-5-alkyl-2H-pyran-2,4,6-(3H,5H)-triones and their 4-hydroxy tautomers
DK277585A (en) * 1984-07-06 1986-01-07 Lonza Ag STABILIZER MIXTURES FOR VINYL CHLORIDE POLYME MASSES

Also Published As

Publication number Publication date
AU498774B2 (en) 1979-03-22
GB1529463A (en) 1978-10-18
CA1057661A (en) 1979-07-03
FR2290197B1 (en) 1978-07-28
FR2290197A1 (en) 1976-06-04
DE2550647A1 (en) 1976-05-20
IE43594B1 (en) 1981-04-08
AU8631275A (en) 1977-05-12
BE835266A (en) 1976-05-05
ZA757067B (en) 1976-11-24

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