Publication number: 20050080060
Abstract: This invention describes the new 17?-fluoroalkyl steroids of general formula I in which R1 stands for a methyl or ethyl group, R2 stands for a radical of formula CnFmHo, whereby n is 2, 3, 4, 5 or 6, m>1 and m+o=2n+1, R3 stands for a free, etherified or esterified hydroxy group, R4 and R5 each stand for a hydrogen atom, or together for an additional bond or a methylene group, St stands for a steroidal ABC-ring system of partial formula A, B or C in which R6 means a hydrogen atom, a straight-chain C1-C4 alkyl group or branched C3-C4 alkyl group or a halogen atom, R7 means a hydrogen atom, a straight-chain C1-C4 alkyl group or a branched C3-C4 alkyl group, or if St stands for a steroidal ABC-ring system A or B, in addition R6 and R7 together can mean an additional bond, X means an oxygen atom, a hydroxyimino grouping ?N—OH or two hydrogen atoms, R8 means a radical Y or an aryl radical that is optionally substituted in several places with a group Y, whereby Y is a hydrogen atom, a halogen at
Type:
Application
Filed:
September 24, 2004
Publication date:
April 14, 2005
Inventors:
Wolfgang Schwede, Arwed Cleve, Ulrich Klar, Gunter Neef, Kristof Chwalisz, Martin Schneider, Ulrike Fuhrmann, Holger Heb-Stumpp