CA1110240A - Dibenzo b,d pyranones comme intermediaires dans la preparation de produits pharmaceutiques - Google Patents

Dibenzo b,d pyranones comme intermediaires dans la preparation de produits pharmaceutiques

Info

Publication number
CA1110240A
CA1110240A CA354,688A CA354688A CA1110240A CA 1110240 A CA1110240 A CA 1110240A CA 354688 A CA354688 A CA 354688A CA 1110240 A CA1110240 A CA 1110240A
Authority
CA
Canada
Prior art keywords
methyl
hydroxy
dimethyl
ether
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.)
Expired
Application number
CA354,688A
Other languages
English (en)
Inventor
Jasjit S. Bindra
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
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 CA263,717A external-priority patent/CA1099269A/fr
Application filed by Pfizer Inc filed Critical Pfizer Inc
Priority to CA354,688A priority Critical patent/CA1110240A/fr
Application granted granted Critical
Publication of CA1110240A publication Critical patent/CA1110240A/fr
Expired legal-status Critical Current

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA354,688A 1975-11-03 1980-06-24 Dibenzo b,d pyranones comme intermediaires dans la preparation de produits pharmaceutiques Expired CA1110240A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA354,688A CA1110240A (fr) 1975-11-03 1980-06-24 Dibenzo b,d pyranones comme intermediaires dans la preparation de produits pharmaceutiques

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US62821075A 1975-11-03 1975-11-03
US628,210 1975-11-03
CA263,717A CA1099269A (fr) 1975-11-03 1976-10-19 Procede de production de 9-hydroxydibenzo b,d pyranes et produits intermediaires
CA354,688A CA1110240A (fr) 1975-11-03 1980-06-24 Dibenzo b,d pyranones comme intermediaires dans la preparation de produits pharmaceutiques

Publications (1)

Publication Number Publication Date
CA1110240A true CA1110240A (fr) 1981-10-06

Family

ID=27164705

Family Applications (1)

Application Number Title Priority Date Filing Date
CA354,688A Expired CA1110240A (fr) 1975-11-03 1980-06-24 Dibenzo b,d pyranones comme intermediaires dans la preparation de produits pharmaceutiques

Country Status (1)

Country Link
CA (1) CA1110240A (fr)

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