4-or 5-oxoalkyl-3-phenyl-cycloalkan-1-one derivatives

Details 4-or 5-oxoalkyl-3-phenyl-cycloalkan-1-one derivatives 4-or 5-oxoalkyl-3-phenyl-cycloalkan-1-one derivatives

C - Chemistry, Metallurgy

07

C

260/295, 260/489

C07C 49/753 (2006.01) C07D 213/50 (2006.01) C07D 309/12 (2006.01)

Patent

CA 1181404

ABSTRACT OF THE DISCLOSURE 4- or 5-Oxoalkyl-3-phenylcycloalkan-l-one derivatives of the formula Image wherein R1 is H, alkanoyl, protecting group; s is 1 or 2; W is hydrogen, pyridyl or Image W1 wherein W1 is H, Cl or F; Z is alkylene or O-interrupted alkylene; Y' is -CH(R2")CH(R2)- or -CH(R3)CH2- wherein R2" is H or CH3, R2 and R3 are oxoalkyl, which are useful as analgesic agents and anti-emetic agents, also as inter- mediate for preparing corresponding cycloalkanol derivatives, are prepared by (a) oxidizing corresponding 4- or 5-alkenyl substituted derivatives, or (b) oxidizing corresponding 4- or 5-hydroxyalkyl substituted derivatives.

444792

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