New steroids

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C - Chemistry, Metallurgy

07

J

C07J 71/00 (2006.01) A61K 31/58 (2006.01) C07J 3/00 (2006.01) C07J 5/00 (2006.01)

Patent

CA 2149777

Steroiids of formula (I) where ~ is independently at each of the 1,2-, 4,5- and 6,7-positions, a single or double bond; R1 is a straight- or branched-chain C1-4 alkyl or C2-4 alkenyl; R2 is hydrogen or methyl; R3 is C1-7 alkyl, phenyl, substituted phenyl, heteroaryl, substituted heteroaryl or -CH2R where R is halo, hydroxy, C1-5 alkoxy or C1-10 alkanoyloxy; R4 is hydrogen, halo, hydroxy, keto or C1-3 alkoxy when ~ at the 6,7-position forms a single bond, or hydrogen, halo or C1-3 alkoxy when ~ at the 6,7-position forces a double bond; R5 is hydrogen or halo; R6 is hydrogen when ~ at the 1,2-position forms a single bond or hydrogen or chloro when ~ at the 1,2-position forms a double bond; and n is 0-2; and racemic mixtures and diastereoisomers thereof, processes for their preparation, pharmaceutical compositions containing them, and methods for their use, especially as antiinflammatories.

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