Morpholines

Details Morpholines Morpholines

C - Chemistry, Metallurgy

07

D

260/244.8

C07D 265/34 (2006.01) C07D 265/36 (2006.01) C07D 303/22 (2006.01) C07D 413/02 (2006.01)

Patent

CA 1171855

ABSTRACT OF THE DISCLOSURE Morpholine derivatives of the formula Image (I) and their acid addition salts, wherein n represents 1,2 or 3, R4 is hydrogen, lower alkyl, lower alkenyl, lower alkynyl, aryl(lower)alkyl, 2-tetrahydrofuryl- methyl or cyclo(lower)alkylmethyl, and (i) R1 is hydrogen, R2 is Image and R3 is alkyl of 1 to 10 carbon atoms, or (ii) R1 is Image and R2 and R3 are each hydrogen or alkyl of 1 to 10 carbon atoms (wherein OR5 is hydroxy, acyloxy or a protected hydroxy group) possess analgesic and/or opiate antagonistic activity or are useful as intermediates for other compounds of formula I possessing such activity.

397655

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