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Last Updated: December 16, 2025

Claims for Patent: 3,641,152

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Summary for Patent: 3,641,152

Title:	3 4-dihydronaphthalenoneoxy-2-hydroxy-propylamines
Abstract:	THE PRESENT INVENTION RELATES TO COMPOUNDS OF THE FORMULA: 1-(O=),2-R5,2-R6,(R1-N(-R2)-CH2-CH(-OH)-CH2-O-),R3,R4- TETRALIN WHEREIN R1 STANDS FOR HYDROGEN OR AN ALKYL GROUP AND R2 STANDS FOR AN ALKYL GROUP OF NOT MORE THAN 6 CARBON ATOMS, PREFERABLY BRANCHED SUCH AS ISOPROPYL, ISOBUTYL, SEC-BUTYL, TERT-BUTYL, AND THE LIKE; CYCLOALKYL GROUPS OF NOT MORE THAN 7 CARBON ATOMS, SUCH AS CYCLOPROPYL, CYCLOPROPYLMETHYL, CYCLOPENTYL, CYCLOPENTYLMETHYL, CYCLOHEXYL, CYCLOHEXYLMETHYL; LWER ALKENYL OR ARALKYL GROUPS, ANY OF WHICH MAY BE OPTIONALLY SUBSTITUTED; R3 AND R4 EACH STAND FOR HYDROGEN, OR HYDROXY; R5 AND R6 EACH STAND FOR HYDROGEN, ALKYL, OR ARALKYL; OR7 IN WHICH R7 IS LOWER ALKYL OR LOWER ALKENYL, ARALKYL SUCH AS BENZYL IN WHICH ARYL MAY BE OPTIONALLY SUBSTITUTED BY HALOGEN, NITRO, ETC.; HALOGENS SUCH AS F,CL,BR OR I; NITRO, AMINO OR ACYLAMINO, OR SULFONAMIDO; ALKYL SUCH AS METHYL AND CONTAINING NOT MORE THAN 6 CARBONS.
Inventor(s):	John Shavel Jr, Sheldon Farber
Assignee:	Warner Lambert Co LLC
Application Number:	US761857A
Patent Claims:

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