Claims
- 1. A method for producing bronchodilation in a mammal in need thereof which comprises the administration of an effective amount of a compound of the formula: ##SPC18##
- wherein R.sub.1 and R.sub.2 are hydrogen, hydroxyl or lower alkoxyl of from 1 to 6 carbon atoms; R.sub.3 is hydrogen or lower alkyl of 1 to 6 carbon atoms and x is oxygen, sulfur, methylene or nitrogen substituted by hydrogen, lower alkyl of 1 to 6 carbon atoms or lower alkanoyl of 1 to 6 carbon atoms, to said mammal.
- 2. The method of claim 1 wherein the compound is 1,2,3,4-tetrahydro-8-methoxy-3-(2-morpholinoethyl)-5H-[1]benzopyrano[3,4-c]pyridin-5-one.
- 3. The method of claim 1 wherein the compound is 1,2,3,4-tetrahydro-8,9-dimethoxy-3-(2-morpholinoethyl)-5H-[1]benzopyrano[3,4-c]pyridin-5-one.
- 4. The method of claim 1 wherein the compound is 1,2,3,4-tetrahydro-8,9-dimethoxy-3-(1-methyl-2-morpholinoethyl)-5H-[1]benzopyrano[3,4-c]pyridin-5-one.
- 5. The method of claim 1 wherein the compound is 8,9-diethoxy-1,2,3,4-tetrahydro-3-(2-morpholinoethyl)-5H-[1]benzopyrano[3,4-c]pyridin-5-one.
- 6. The method of claim 1 wherein the compound is 1,2,3,4-tetrahydro-8,9-dimethoxy-3-(2-piperidinoethyl)-5H-[1]benzopyrano[3,4-c]pyridin-5-one.
- 7. The method of claim 1 wherein the compound is 1,2,3,4-tetrahydro-8,10-dimethoxy-3-(2-piperidinoethyl)-5H-[1]benzopyrano[3,4-c]pyridin-5-one.
- 8. The method of claim 1 wherein the compound is 1,2,3,4-tetrahydro-7,8-dimethoxy-3-(2-piperidinoethyl)-5H-[1]benzopyrano-[3,4-c]pyridin-5-one.
- 9. The method of claim 1 wherein the compound is 8,9-diethoxy-1,2,3,4-tetrahydro-3-(2-piperidinoethyl)-5H-[1]benzopyrano[3,4-c]pyridin-5-one.
- 10. The method of claim 1 wherein the compound is 3-[2-(4-acetyl-1-piperizinyl)ethyl]-1,2,3,4-tetrahydro-8,9-dimethoxy-5H-[1]benzopyrano[3,4-c]pyridin-5-one.
Parent Case Info
This is a division, of application Ser. No. 343,613 filed Mar. 23, 1973 now abandoned which in turn is a continuation-in-part of application Ser. No. 122,498 filed Mar. 9, 1971 now abandoned.
US Referenced Citations (4)
Divisions (1)
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Number |
Date |
Country |
Parent |
343613 |
Mar 1973 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
122498 |
Mar 1971 |
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