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US 4,285,867 AGranted
Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor
AssigneePfizer Inc.
InventorsMichael R. Johnson, Lawrence S. Melvin, Jr.
Life of this patent
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Abstract
Compounds having the formula ##STR1## wherein ##STR2## R.sub.1 is hydrogen, benzyl or alkanoyl, X is C.sub.2-4 alkylene; and Z-W is alkyl, phenylalkyl or pyridylalkyl which can have an oxygen atom as part of the alkyl chain and their use as CNS agents, antidiarrheals and antiemetics. Processes for their preparation and intermediates therefor are described.
Claims1
A compound having the formula ##STR23## wherein R.sub.6 is hydrogen or C.sub.1-4 alkyl;
- and R.sub.2 and R.sub.3 taken together are alkylenedioxy having from two to four carbon atoms.
Dependencies are inferred from the claim text.