9-Hydroxy-7,8,9,10-tetrahydro-6H, dibenzo[b][d] pyrans and pyranones
AssigneeAbbott Laboratories
InventorsCheuk Man Lee, Raymond John Michaels, Louis Selig Harris
Life of this patent
Estimating the term…
Abstract
Compounds of the formula ##STR1## wherein R.sub.1 is methyl or R.sub.1 R.sub.1 is oxygen; R.sub.2 is alkyl or halogen substituted phenyl alkyl; and R.sub.3 is hydrogen, loweralkyl, loweralkenyl or loweralkynyl. The compounds of this invention are useful as analgesics and tranquilizers.
Claims9
A compound of the formula ##STR18## wherein R.sub.1 is methyl, R.sub.2 is C.sub.1 -C.sub.20 alkyl and R.sub.3 is hydrogen, loweralkyl, C.sub.2 -C.sub.6 alkenyl or C.sub.2 -C.sub.6 alkynyl.
A compound in accordance with claim 2, 1, 9-dihydroxy-6, 6-dimethyl-3-(3-methyl-2-octyl)-7, 8, 9, 10-tetrahydro-6H-dibenzo [b] [d] pyran.
A compound in accordance with claim 4, 9-hydroxy-1-methoxy-6, 6-dimethyl-3-(3-methyl-2-octyl)-7, 8, 9, 10-tetrahydro-6H-dibenzo [b] [d] pyran.
A compound in accordance with claim 8, 9-hydroxy-6, 6-dimethyl-3-(3-methyl-2-octyl)-1-(2-propynyloxy)-7, 8, 9, 10-tetrahydro-6H-dibenzo [b] [d] pyran.
Dependencies are inferred from the claim text.