C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
C07J 1/00 (2006.01) A61K 31/565 (2006.01) C07J 71/00 (2006.01)
Patent
CA 2106457
2106457 9314105 PCTABS00024 The invention relates to new 6-difluoromethylenandrostenones having formula (I) wherein the symbol -^_-^_-^_ represents a double or single bond; R is hydrogen or C1-C4 alkyl; and A is a =C=O, =CH$(1,3)$OH or =CH$(1,3)$OR1 group, in which R1 is an acyl group, which are useful as steroidal aromatase inhibitors.
Buzzetti Franco
Crugnola Angelo
Di Salle Enrico
Longo Antonio
Farmitalia Carlo Erba S.r.l.
Fetherstonhaugh & Co.
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