GB1531072A - Substituted benzopyrano(3,4-c)pyridines - Google Patents

Substituted benzopyrano(3,4-c)pyridines

Info

Publication number
GB1531072A
GB1531072A GB117676A GB117676A GB1531072A GB 1531072 A GB1531072 A GB 1531072A GB 117676 A GB117676 A GB 117676A GB 117676 A GB117676 A GB 117676A GB 1531072 A GB1531072 A GB 1531072A
Authority
GB
United Kingdom
Prior art keywords
pyridines
benzopyrano
nhr
substituted
substituted benzopyrano
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
GB117676A
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.)
Warner Lambert Co LLC
Original Assignee
Warner Lambert Co LLC
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 Warner Lambert Co LLC filed Critical Warner Lambert Co LLC
Priority to GB117676A priority Critical patent/GB1531072A/en
Publication of GB1531072A publication Critical patent/GB1531072A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems

Abstract

1531072 Benzopyrano[3,4-c]pyridines WARNER-LAMBERT CO 13 Jan 1976 01176/76 Heading C2C The invention provides compounds of formula wherein R 1 and R 2 and each H, OH, C 1-6 alkyl (= R) or OR, or R 1 -R 2 is methylenedioxy; R 3 and R 4 are each H, R or optionally substituted aryl; and X is CH 2 , CHR, NH, NHR, CH 2 CH 2 , O or S, provided that when X is CH 2 , NH, NHR, O or S, and R 3 is H, then R 4 is not H or R. These compounds have bronchodilatory activity.
GB117676A 1976-01-13 1976-01-13 Substituted benzopyrano(3,4-c)pyridines Expired GB1531072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB117676A GB1531072A (en) 1976-01-13 1976-01-13 Substituted benzopyrano(3,4-c)pyridines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB117676A GB1531072A (en) 1976-01-13 1976-01-13 Substituted benzopyrano(3,4-c)pyridines

Publications (1)

Publication Number Publication Date
GB1531072A true GB1531072A (en) 1978-11-01

Family

ID=9717490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB117676A Expired GB1531072A (en) 1976-01-13 1976-01-13 Substituted benzopyrano(3,4-c)pyridines

Country Status (1)

Country Link
GB (1) GB1531072A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0087280A2 (en) * 1982-02-23 1983-08-31 Warner-Lambert Company 3-(2-Mono-and dialkylamino)propyl(-1,2,3,4-tetrahydro-5H-(1) benzopyrano(3,4-c)pyridin-5-ones and derivatives thereof, a process for their production, and pharmaceutical compositions containing such compounds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0087280A2 (en) * 1982-02-23 1983-08-31 Warner-Lambert Company 3-(2-Mono-and dialkylamino)propyl(-1,2,3,4-tetrahydro-5H-(1) benzopyrano(3,4-c)pyridin-5-ones and derivatives thereof, a process for their production, and pharmaceutical compositions containing such compounds
EP0087280A3 (en) * 1982-02-23 1984-07-18 Warner-Lambert Company 3-(2-mono-and dialkylamino)propyl(-1,2,3,4-tetrahydro-5h-(1) benzopyrano(3,4-c)pyridin-5-ones and derivatives thereof, a process for their production, and pharmaceutical compositions containing such compounds

Similar Documents

Publication Publication Date Title
JPS52106879A (en) Production of mixed aromaticcaliphatic phosphites
AU545314B2 (en) Direct production of steel
IE781453L (en) Nitroimidazoles
ES452737A1 (en) Antifertility compounds
HK41086A (en) Amine saits of clavulanic acid,methods for their preparation and compositions containing them
AU523319B2 (en) Free machining steels of high toughness
ES450799A1 (en) 3-Phenylspiro{8 isobenzofuran-1,4{40 -piperidine{9 sulfenamides and derivatives
GB1373549A (en) 3-halogenopyridazines and their preparation
IE43253L (en) Phosphinic acid halides.
ES8505956A1 (en) Novel 5-acyl-2-(1H)-pyridinones.
GB1531072A (en) Substituted benzopyrano(3,4-c)pyridines
IE781193L (en) Nitroso-ureas
ES475050A1 (en) Derivatives of 2,6-dipnenyl-3,7- dioxabicyclo-[3,3,0]-octane-4,8-dione
ES452736A1 (en) Novel antifertility agents
PH12580A (en) An improved process for the preparation of 6-amino-penicillanic acid
BG30929A3 (en) Metod for obtaining of derivatives of 1, 3- benzoxazine- 2, 4- dion
GB1500826A (en) Spiro compounds and their use in pharmaceutical compositions
IE40992B1 (en) Nitroimidazolyl-s-triazolo(4,3-b) pyridazines
ES458313A1 (en) 4-Pyridylformimidoylglycyl-D-phenylglycine
JPS5340788A (en) Production of cyanuric acid
ES459821A1 (en) 1,3-Dihydrospiro{8 isobenzofuran-1,4{40 -piperidine{9 s
IE42787L (en) Azabicycloalkanes and precursors
JPS52142084A (en) Rocovery of cyanuric acid
JPS537682A (en) Production of diphenyll alkanone derivatives
FR2360639A1 (en) PREPARATION OF AN AZOMETHINIC PIGMENT

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee