摘要:
The invention relates to new 6- or 7-methylenandrosta-1,4-diene-3,17-diones of the following formula ##STR1## wherein R is hydrogen or fluorine; R.sub.1 is hydrogen or C.sub.1 -C.sub.6 alkyl; R.sub.2 is hydrogen or halogen; one of R.sub.3 and R.sub.4 is .dbd.CH.sub.2 and the other is hydrogen or C.sub.1 -C.sub.4 alkyl, and when R.sub.3 is .dbd.CH.sub.2, at least one of R and R.sub.4 is other than hydrogen; and the symbol ##STR2## represents a double bond and the symbol ##STR3## represents a single bond when R.sub.3 is .dbd.CH.sub.2 or the symbol ##STR4## represents a single bond and the symbol ##STR5## represents a double bond when R.sub.4 is .dbd.CH.sub.2, which are useful in therapy, in particular as anti-cancer agents.
摘要:
The invention relates to 6-alkylidenadrosta-1,4-diene-3,17-dione derivatives, having the following general formula ##STR1## wherein each of R and R.sub.2, independently, is hydrogen or C.sub.1 -C.sub.6 alkyl and R.sub.1 is hydrogen, halogen or C.sub.1 -C.sub.6 alkyl, which are useful in therapy, in particular in the treatment of hormone-dependent cancers.
摘要:
The invention relates to 4-substituted 6-alkylidenandrostene-3,17-dione derivatives of the following formula ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 is, independently, hydrogen or C.sub.1 -C.sub.6 alkyl; R.sub.4 is hydrogen of fluorine; (x) represents a single or double bond; and R is, especially, a hydroxy or mercapto or amino group or a functional derivative thereof. The compounds of the invention show aromatase inhibitory activity and may be useful, for instance, in the treatment of hormone-dependent tumors and of prostatic hyperplasia.
摘要:
The invention relates to 6-alkylidenandrosta-1,4-diene-3,17-dione derivatives, having the following general formula ##STR1## wherein each of R and R.sub.2, independently, is hydrogen or C.sub.1 -C.sub.6 alkyl and R.sub.1 is hydrogen, halogen or C.sub.1 -C.sub.6 alkyl, which are useful in therapy, in particular in the treatment of hormone-dependent cancers.
摘要:
The present invention relates to new 6-substituted 1.2.beta.methylenandrost-4-ene-3,17-diones of the following general formula: ##STR1## wherein one of R.sub.1 and R.sub.2 is hydrogen and the other is halogen, amino or azido, or R.sub.1 and R.sub.2, taken together, form a .dbd.CH.sub.2 or .dbd.O group, and, when one of R.sub.1 and R.sub.2 is amino, the pharmaceutically acceptable salts thereof.The compounds of the invention are useful in therapy, in particular as anti-cancer agents.
摘要:
The invention relates to new aromatase inhibitor agents having the general formula (I) ##STR1## wherein R.sub.1 is hydrogen or a group=CHR.sub.3 wherein R.sub.3 is hydrogen or C.sub.1 -C.sub.6 alkyl; the symbol indicates the presence of a single or double bond in such a way that, when R.sub.1 is hydrogen, (a) is single bond and (b) is either single or double bond, while, when R.sub.1 is a group.dbd.CHR.sub.3 as defined above, (a) is double bond and (b) is single bond; R.sub.2 is hydrogen or fluorine; and R is(1) a group --OR.sub.4 wherein R.sub.4 is(a) hydrogen;(b) C.sub.1 -C.sub.6 alkyl;(c) a phenyl or benzyl group, each unsubstituted or ring-substituted by one or more substituents chosen from C.sub.1 -C.sub.4 alkyl, halogen, trifluoromethyl, nitro, amino, hydroxy and C.sub.1 -C.sub.4 alkoxy;(d) a group--COR.sub.5 wherein R.sub.5 is(i) a C.sub.1 -C.sub.22 saturated or C.sub.2 -C.sub.22 unsaturated aliphatic hydrocarbon radical;(ii) a C.sub.4 -C.sub.7 monocycloalkyl group; or(iii) a phenyl or benzyl group, each unsubstituted or ring substituted as reported above; or(e) a hydroxy protecting group;(2) a group--SR.sub.6 wherein R.sub.6 either has one of the meanings (a) to (d) indicated above for R.sub.4 or is a group --SR.sub.7 wherein R.sub.7 is(iv) C.sub.1 -C.sub.6 alkyl;(v) a phenyl or benzyl group, each unsubstituted or ring-substituted as reported above; or(vi) a steroidic residue of formula ##STR2## wherein R.sub.1, R.sub.2, (a), (b) and the symbol are as defined above; (3) the group --N.sub.3 ; or(4) a group ##STR3## wherein each of R.sub.8 and R.sub.9, independently, is hydrogen or C.sub.1 -C.sub.6 alkyl, and the pharmaceutically acceptable salts thereof, which are useful in therapy, in particular, as anti-cancer agents.
摘要:
The invention relates to 6-substituted 10.beta.-alkynylestrene derivatives wherein the 6 substituent is amino, azido, halogen or an alkylidene group and to corresponding 6,7-dihalo analogs.The invention provides also a process for the preparation of the above compounds and pharmaceutical compositions containing same.The compounds of the invention are useful aromatase inhibitors and can be used, e.g., in the treatment of hormone-dependent tumors and prostatic hyperplasia.
摘要:
The invention relates to cycloalkyl substituted 4-aminophenyl halo derivatives of formula (I) ##STR1## wherein n is an integer of 1 to 5;A is >C.dbd.O or --CH.sub.2 -- and B is, independently, --O--, --NH-- or --CH.sub.2 --; andeither R is halogen and R.sub.1 is unsubstituted C.sub.1 -C.sub.4 alkyl; or R is hydrogen and R.sub.1 is C.sub.1 -C.sub.4 alkyl substituted by 1 to 4 halogen atoms,including the pharmaceutically acceptable salts thereof. The compounds of the invention show aromatase inhibiting activity and can find use, for example, in the treatment of estrogen-dependent tumors and of prostatic hyperplasia.
摘要:
The invention discloses 4-substituted androstendione derivatives of the following formula (I) ##STR1## wherein R is amino or substituted amino or azido,one of R.sub.1 and R.sub.2 is hydrogen and the other is hydrogen, alkyl, alkenyl or alkynyl, and(x) and (y) are each, independently, a single bond or a double bond.The compounds of formula (I) are useful aromatase inhibitors.
摘要:
The invention relates to new 17-hydroxy androsta-1,4-diene-3-one derivatives of the following formula ##STR1## wherein each of R and R.sub.3, independently, is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sub.1 is hydrogen, halogen or C.sub.1 -C.sub.6 alkyl;R.sub.2 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sub.4 is hydrogen or fluorine;R.sub.5 is (a) hydrogen or C.sub.1 -C.sub.6 alkyl; (b) phenyl unsubstituted or substituted by one or two substituents independently chosen from C.sub.1 -C.sub.6 alkyl, halogen and amino; (c) an acyl group; or (d) a hydroxy protecting group; and the pharmaceutically acceptable salts thereof,which are useful in therapy, in particular as anti-cancer agents.