MY102887A - Dihydrobenzopyran derivatives. - Google Patents

Dihydrobenzopyran derivatives.

Info

Publication number
MY102887A
MY102887A MYPI87001573A MYPI19871573A MY102887A MY 102887 A MY102887 A MY 102887A MY PI87001573 A MYPI87001573 A MY PI87001573A MY PI19871573 A MYPI19871573 A MY PI19871573A MY 102887 A MY102887 A MY 102887A
Authority
MY
Malaysia
Prior art keywords
hydrogen
lower alkyl
coor9
acyl
group
Prior art date
Application number
MYPI87001573A
Inventor
f weber Giuseppe
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of MY102887A publication Critical patent/MY102887A/en

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

THE NOVEL COMPOUNDS OF THE GENERAL FORMULA (FORMULA I) WHEREIN R1 IS HYDROGEN OR LOWER ALKYL, R2 IS HYDROGEN OR HALOGEN, R3, R4 AND R5, INDEPENDENTLY, ARE HYDROGEN, ACYL OR LOWER ALKYL, PROVIDED THAT ONLY ONE OFR3, R4 AND R5 CAN BE ACYL, AND EITHER R6 AND R7 ARE BOTH HYDROGEN ANG R8 IS THE GROUP ?COOR9, OR R6 IS HYDROGEN OR LOWER ALKYL, R7 IS THE GROUP ?(CH2)N-COOR9 AND R8 IS HYDROGEN, R9 IS HYDROGEN OR LOWER ALKYL, X IS (C3-7)-ALKYLENE AND N IS AN INTEGER OF ZERO TO FOUR, AND, WHEN R9 IS HYDROGEN, THEIR SALTS WITH PHARMACEUTICALLY ACCEPTABLE BASED ARE USEFUL AS AGENTS FOR THE TREATMENT OF ALLERGIC CONDITIONS.
MYPI87001573A 1983-06-24 1987-09-07 Dihydrobenzopyran derivatives. MY102887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50738383A 1983-06-24 1983-06-24

Publications (1)

Publication Number Publication Date
MY102887A true MY102887A (en) 1993-03-31

Family

ID=57136030

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI87001573A MY102887A (en) 1983-06-24 1987-09-07 Dihydrobenzopyran derivatives.

Country Status (2)

Country Link
DO (1) DOP1984004244A (en)
MY (1) MY102887A (en)

Also Published As

Publication number Publication date
DOP1984004244A (en) 1989-06-29

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