摘要:
A process for the production of 17.alpha.-acyloxy-6-chloro-1.alpha.,2.alpha.-methylene-3,20-diones of the general Formula I ##STR1## wherein R represents an alkyl group with up to 5 carbon atoms or a phenyl group, is characterized in that a compound of general Formula II ##STR2## wherein R has the meaning indicated above, is reacted, in the presence of a strong acid, with a compound of general formula III ##STR3## wherein R' is a hydrogen atom or an alkyl group with up to 4 carbon atoms and R" represents alkoxy groups, alkylthio groups or dialkylamino groups with 1 to 4 carbon atoms in each alkyl radical.
摘要:
Androstane derivatives of Formula I ##STR1## wherein ---- is a single bond or a double bond,R.sub.1 is methyl or ethyl,R.sup.2 is hydrogen or alkyl of 1-8 carbon atoms,--X-- is --(CH.sub.2).sub.n --, --CH.dbd.CH(CH.sub.2).sub.m --, or --C.tbd.C--(CH.sub.2).sub.m --wherein n is 2 to 6 and m is 1 to 4,--A--B-- is --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --CCl.dbd.CH--, ##STR2## --U--V
摘要:
Therapeutically useful 16-dehydro-androstane derivatives of the general formula: ##STR1## processes for their preparation and pharmaceutical compositions for the treatment of dermatological disorders, which contain as active ingredient at least one of the 16-dehydro-androstane derivatives as defined by the above formula.
摘要:
1.alpha.,2.alpha.-methylene-6-methylene- and 6.alpha.-methylpregnenes of Formula I ##STR1## wherein A is ##STR2## and R is a hydrogen atom, an acyl group, or an alkoxymethyl groupare strong antiandrogens, and suitable for the topical treatment of seborrhea, acne, alopecia, and hirsutism.
摘要:
A process for the preparation of 4-androstene-3,17-dione derivatives of the formula ##STR1## wherein X is 1,2-methylene or 1- or 2-methyl, comprises fermenting a sterol derivative of the formula ##STR2## wherein X is as above, the bond is a single or double bond, and R.sub.1 is the hydrocarbon residue, of 8-10 carbon atoms, of a sterol, with a microorganism culture capable of the side chain degradation of sterols.
摘要:
A process for the preparation of androstane-3,17-dione compounds of the formula ##STR1## wherein X is 1,2-methylene or 1- or 2-methyl, comprises fermenting a sterol of the formula ##STR2## wherein X is as above and R.sub.1 is the hydrocarbon residue of 8-10 carbon atoms, of a sterol, with a microorganism culture capable of effecting the side chain degradation of sterols.
摘要:
Novel 17-(formamidosulfonylmethylene)-steroids of the formula ##STR1## useful as intermediates for the novel 17-(isocyanosulfonylmethylene)-steroids of the formula ##STR2## which are useful intermediates for 21-hydroxy-20-keto-.DELTA..sup.16 -steroids and 20-keto-.DELTA..sup.16 -steroids.
摘要:
The present invention concerns derivatives of 19-oxygenated-androst-5-enes which are useful in the enhancement of libido and related psychic attitudes.
摘要:
Steroid esters of the Formula I I wherein the A, B, C, and D rings can be substituted in the usual manner, R10 is hydrogen or methyl; R13 is alkyl of 1-3 carbon atoms; R17 is 17 alpha -alkynyl or alkadiinyl of up to 4 carbon atoms or 17 beta -acetyl, Z is X-OH, Y-CO-OH, X-O-CO-Y-CO-OH, X-O-CO-R, Y-CO-OR, X-O-CO-Y-CO-OR, or X-O-SO2-R; X is a straight-chain or branched alkylene of 1-6 carbon atoms, optionally interrupted by O or S atoms, wherein the chain or branches can be substituted by -OH, -O-CO-R, or -O-SO2-R; Y is a direct bond, a straight-chain or branched carbon chain of 1-3 atoms, optionally interrupted by an O or S atom if Y is linked to the steroid residue via -O-CO-; of 1-16 atoms if Y is linked to X via -O-CO; or 1,4-phenylene, 1,4-cyclohexylene, or 1,3-cyclopentylene optionally substituted by alkyl of 1-2 carbon atoms, or groups analogously 1,2- and 1,3-disubstituted, respectively; and R is an optionally substituted alkyl of up to 22 carbon atoms, have longer acting activity than the corresponding unesterified steroids and higher activity than the corresponding long chain esters.