RO91185A - PROCESS FOR THE PREPARATION OF 5-HYDROXY-3,4-DIHYDRO-2H-BENZOPYRAN DERIVATIVES - Google Patents

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

Info

Publication number
RO91185A
RO91185A RO83118149A RO11814983A RO91185A RO 91185 A RO91185 A RO 91185A RO 83118149 A RO83118149 A RO 83118149A RO 11814983 A RO11814983 A RO 11814983A RO 91185 A RO91185 A RO 91185A
Authority
RO
Romania
Prior art keywords
dihydro
hydroxy
preparation
benzopyran derivatives
benzopyran
Prior art date
Application number
RO83118149A
Other languages
French (fr)
Romanian (ro)
Other versions
RO91185B (en
Inventor
James F Eggler
Michael R Johnson
Lawwrence 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
Application filed by Pfizer Inc,Us filed Critical Pfizer Inc,Us
Priority to RO118149A priority Critical patent/RO91185B/en
Publication of RO91185A publication Critical patent/RO91185A/en
Publication of RO91185B publication Critical patent/RO91185B/en

Links

RO118149A 1983-03-15 1983-03-15 Process for the preparation of 5-hydroxy-3, 4-dihydro-2h-benzopyran derivaties RO91185B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO118149A RO91185B (en) 1983-03-15 1983-03-15 Process for the preparation of 5-hydroxy-3, 4-dihydro-2h-benzopyran derivaties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO118149A RO91185B (en) 1983-03-15 1983-03-15 Process for the preparation of 5-hydroxy-3, 4-dihydro-2h-benzopyran derivaties

Publications (2)

Publication Number Publication Date
RO91185A true RO91185A (en) 1987-06-30
RO91185B RO91185B (en) 1987-07-01

Family

ID=20116852

Family Applications (1)

Application Number Title Priority Date Filing Date
RO118149A RO91185B (en) 1983-03-15 1983-03-15 Process for the preparation of 5-hydroxy-3, 4-dihydro-2h-benzopyran derivaties

Country Status (1)

Country Link
RO (1) RO91185B (en)

Also Published As

Publication number Publication date
RO91185B (en) 1987-07-01

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