RO87060A - PROCESS FOR THE PREPARATION OF 5-HYDROXY-3,4-DIHYDRO-2H-BENZOPYRANES DERIVATIVES - Google Patents

PROCESS FOR THE PREPARATION OF 5-HYDROXY-3,4-DIHYDRO-2H-BENZOPYRANES DERIVATIVES

Info

Publication number
RO87060A
RO87060A RO83110333A RO11033383A RO87060A RO 87060 A RO87060 A RO 87060A RO 83110333 A RO83110333 A RO 83110333A RO 11033383 A RO11033383 A RO 11033383A RO 87060 A RO87060 A RO 87060A
Authority
RO
Romania
Prior art keywords
benzopyranes
dihydro
hydroxy
derivatives
preparation
Prior art date
Application number
RO83110333A
Other languages
French (fr)
Romanian (ro)
Other versions
RO87060B (en
Inventor
James F Eggler
Michael R Johnson
Lawrence S Melvin
Original Assignee
Pfizer Inc,Us
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 US06/457,171 external-priority patent/US4486428A/en
Application filed by Pfizer Inc,Us filed Critical Pfizer Inc,Us
Publication of RO87060B publication Critical patent/RO87060B/en
Publication of RO87060A publication Critical patent/RO87060A/en

Links

RO83110333A 1983-01-13 1983-03-15 PROCESS FOR THE PREPARATION OF 5-HYDROXY-3,4-DIHYDRO-2H-BENZOPYRANES DERIVATIVES RO87060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/457,171 US4486428A (en) 1982-03-16 1983-01-13 Bicyclic benzo fused compounds

Publications (2)

Publication Number Publication Date
RO87060B RO87060B (en) 1985-08-31
RO87060A true RO87060A (en) 1985-08-31

Family

ID=23815721

Family Applications (1)

Application Number Title Priority Date Filing Date
RO83110333A RO87060A (en) 1983-01-13 1983-03-15 PROCESS FOR THE PREPARATION OF 5-HYDROXY-3,4-DIHYDRO-2H-BENZOPYRANES DERIVATIVES

Country Status (3)

Country Link
CS (1) CS249127B2 (en)
PL (1) PL140273B1 (en)
RO (1) RO87060A (en)

Also Published As

Publication number Publication date
PL241025A1 (en) 1985-04-09
PL140273B1 (en) 1987-04-30
RO87060B (en) 1985-08-31
CS249127B2 (en) 1987-03-12

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