4-Aza-17.beta.-substituted-5.alpha.-androstan-3-one-reductase inhibitors
AssigneeMerck & Co., Inc.
InventorsGary H. Rasmusson, David B. R. Johnston, Glen E. Arth, deceased
Life of this patent
Estimating the term…
Abstract
4-Aza-17.beta.-substituted-5.alpha.-androstan-3-ones and their A-homo analogs of the formula: ##STR1## where Formula (I) may also have the structure of partial Formulas (II) and/or (III); and pharmaceutically acceptable salts of the above compounds are active as testosterone 5.alpha.-reductase inhibitors, and thus useful topically for treatment of acne, seborrhea, female hirsutism, and systemically in treatment of benign prostatic hypertrophy.
Claims19
A compound of the formula:
- ##STR31## where Formula (I) may also have the structure of partial Formulas (II) and/or (III);
- wherein,
- A is
- (1) --CH.sub.2 --CH.sub.2 --;
- (2) --CH.dbd.CH--;
- (3) ##STR32## or (4) ##STR33## B is (1) ##STR34## where R.sup.1 is,
- (a) hydrogen;
- (b) methyl or ethyl;
- (c) ethenyl;
- (d) ethynyl;
- (e) NR.sup.2 R.sup.3 where R.sup.2 and R.sup.3 are hydrogen or methyl;
- or
- (f) cyano;
- or
- (2) ##STR35## where X.sup..crclbar. is any anion and R.sup.4 is, (a) OR.sup.5 where R.sup.5 is C.sub.1-4 alkyl;
- or
- (b) NR.sup.6 R.sup.7, where R.sup.6 and R.sup.7 are hydrogen or methyl;
- R' is hydrogen or methyl;
- R" is hydrogen or .beta.-methyl;
- R"' is hydrogen, .beta.-methyl or hydroxyl;
- Z is
- (1) .alpha.-hydrogen or .alpha.-hydroxyl and
- (a) ##STR36## where AlK is present or absent and is straight or branched hydrocarbon chain of 1 to 12 carbon atoms;
- and R.sup.8 is,
- (i) hydrogen,
- (ii) hydroxyl,
- (iii) C.sub.1-4 alkyl
- (iv) NR.sup.9 R.sup.10, where R.sup.9 and R.sup.10 are each independently selected from hydrogen, C.sub.1-8 straight or branched chain alkyl, C.sub.3-6 cycloalkyl, phenyl;
- or R.sup.9 and R.sup.10 taken together with the nitrogen to which they are attached represent a 5-6 membered saturated ring comprising up to one other heteroatom selected from oxygen and nitrogen;
- or
- (v) OR.sup.11, where R.sup.11 is M, where M is hydrogen or alkali metal, or C.sub.1-18 straight or branched chain alkyl;
- benzyl;
- or
- (b) Alk-OR.sup.12, where Alk is always present and has the same meaning as above, and R.sup.12 is
- (i) phenyl C.sub.1-6 alkylcarbonyl,
- (ii) C.sub.5-10 cycloalkylcarbonyl,
- (iii) benzoyl, or
- (iv) C.sub.1-8 alkoxycarbonyl;
- (v) amino, or C.sub.1-8 alkyl substituted amino, carbonyl;
- or
- (vi) hydrogen, provided that Alk is a branched C.sub.3 -C.sub.8 chain;
- (2) ##STR37## or CH-Alk-OR.sup.12, where Alk is present or absent and has the same meaning as above, and R.sup.8 and R.sup.12 have the same meaning as above, and R.sup.12 is also hydrogen or C.sub.1-20 alkylcarbonyl;
- (3) ##STR38## where the dashed bond replaces the 17.alpha. hydrogen;
- (4) .alpha.-hydrogen and ##STR39## where R.sup.13 is, (a) C.sub.1-12 alkyl;
- or
- (b) NR.sup.9 R.sup.10 ;
- (5) .alpha.-hydrogen and cyano;
- or
- (6) .alpha.-hydrogen and tetrazolyl;
- and pharmaceutically acceptable salts of the above compounds.
A method of treating the hyperandrogenic conditions of acne vulgaris, seborrhea, female hirsutism and benign prostatic hypertrophy comprising parenteral administration to a patient in need of such treatment of a therapeutically effective amount of a compound of formula:
- ##STR42## where Forumla (I) may also have the structure of partial Formulas (II) and/or (III);
- wherein,
- A is
- (1) --CH.sub.2 --CH.sub.2 --;
- (2) --CH.dbd.CH--;
- (3) ##STR43## or (4) ##STR44## B is (1) ##STR45## where R.sup.1 is,
- (a) hydrogen;
- (b) methyl or ethyl;
- (c) ethenyl;
- (d) ethynyl;
- (e) NR.sup.2 R.sup.3 where R.sup.2 and R.sup.3 are hydrogen or methyl;
- or
- (f) cyano;
- or
- (2) ##STR46## where X.sup.63 is any anion and R.sup.4 is, (a) OR.sup.5 where R.sup.5 is C.sub.1-4 alkyl;
- or
- (b) NR.sup.6 R.sup.7, where R.sup.6 and R.sup.7 are hydrogenor methyl;
- R' is hydrogen or methyl;
- R" is hydrogen or .beta.-methyl;
- R"' is hydrogen, .beta.-methyl or hydroxyl;
- Z is
- (1) .alpha.-hydrogen or .alpha.-hydroxyl and
- (a) ##STR47## where Alk is present or absent and is straight or branched hydrocarbon chain of 1 to 12 carbon atoms;
- and R.sup.8 is,
- (i) hydrogen,
- (ii) hydroxyl,
- (iii) C.sub.1-4 alkyl
- (iv) NR.sup.9 R.sup.10, where R.sup.9 and R.sup.10 are each independently selected from hydrogen, C.sub.1-4 straight or branched chain alkyl, C.sub.3-6 cycloalkyl, phenyl;
- or R.sup.9 and R.sup.10 taken together with the nitrogen to which they are attached represent a 5-6 membered saturated ring comprising up to one other heteroatom selected from oxygen and nitrogen;
- or
- (v) OR.sup.11, where R.sup.11 is M, where M is hydrogen or alkali metal, or C.sub.1-18 straight or branched chain alkyl;
- benzyl;
- or
- (b) Alk-OR.sup.12, where Alk is always present and has the same meaning as above, and R.sup.12 is
- (i) phenyl C.sub.1-6 alkylcarbonyl,
- (ii) C.sub.5-10 cycloalkylcarbonyl,
- (iii) benzoyl, or
- (iv) C.sub.1-8 alkoxycarbonyl;
- (v) amino, or C.sub.1-8 alkyl substituted amino, carbonyl;
- or
- (vi) hydrogen, provided that Alk is a branched C.sub.3 -C.sub.8 chain;
- (2) ##STR48## or CH-Alk-OR.sup.12, where Alk is present or absent and has the same meaning as above, and R.sup.8 and R.sup.12 have the same meaning as above, and R.sup.12 is also hydrogen or C.sub.1-20 alkylcarbonyl;
- (3) ##STR49## where the dashed bond replaces the 17.alpha. hydrogen;
- (4) .alpha.-hydrogen and ##STR50## where R.sup.13 is, (a) C.sub.1-12 alkyl;
- or
- (b) NR.sup.9 R.sup.10 ;
- (5) .alpha.-hydrogen and cyano;
- or
- (6) .alpha.-hydrogen and tetrazolyl;
- and pharmaceutically acceptable salts of the above compounds.
A method of inhibiting testosterone-5.alpha.-reductase in a patient in need of such inhibiting treatment, comprising administration to such a patient of a therapeutically effective amount of a compound of the formula:
- ##STR53## where Formula (I) may also have the structure of partial Formulas (II) and/or (III);
- wherein,
- A is
- (1) --CH.sub.2 --CH.sub.2 --;
- (2) --CH.dbd.CH--;
- (3) ##STR54## or (4) ##STR55## B is (1) ##STR56## where R.sup.1 is,
- (a) hydrogen;
- (b) methyl or ethyl;
- (c) ethenyl;
- (d) ethynyl;
- (e) NR.sup.2 R.sup.3 where R.sup.2 and R.sup.3 are hydrogen or methyl;
- or
- (f) cyano;
- or
- (2) ##STR57## where X.sup..crclbar. is any anion and R.sup.4 is, (a) OR.sup.5 where R.sup.5 is C.sub.1-4 alkyl;
- or
- (b) NR.sup.6 R.sup.7, where R.sup.6 and R.sup.7 are hydrogen or methyl;
- R' is hydrogen or methyl;
- R" is hydrogen or .beta.-methyl;
- R"' is hydrogen, .beta.-methyl or hydroxyl;
- Z is
- (1) .alpha.-hydrogen or .alpha.-hydroxyl and
- (a) ##STR58## where Alk is present or absent and is straight or branched hydrocarbon chain of 1 to 12 carbon atoms;
- and R.sup.8 is,
- (i) hydrogen,
- (ii) hydroxyl,
- (iii) C.sub.1-4 alkyl
- (iv) NR.sup.9 R.sup.10, where R.sup.9 and R.sup.10 are each independently selected from hydrogen, C.sub.1-4 straight or branched chain alkyl, C.sub.3-6 cycloalkyl, phenyl;
- or R.sup.9 and R.sup.10 taken together with the nitrogen to which they are attached represent a 5-6 membered saturated ring comprising up to one other heteroatom selected from oxygen and nitrogen;
- or
- (v) OR.sup.11, where R.sup.11 is M, where M is hydrogen or alkali metal, or C.sub.1-18 straight or branched chain alkyl;
- benzyl;
- or
- (b) Alk-OR.sup.12, where Alk is always present and has the same meaning as above, and R.sup.12 is
- (i) phenyl C.sub.1-6 alkylcarbonyl,
- (ii) C.sub.5-10 cycloalkylcarbonyl,
- (iii) benzoyl, or
- (iv) C.sub.1-8 alkoxycarbonyl;
- (v) amino, or C.sub.1-8 alkyl substituted amino, carbonyl;
- or
- (vi) hydrogen, provided that Alk is a branched C.sub.3-C.sub.8 chain;
- (2) ##STR59## or CH-Alk-OR.sup.12, where Alk is present or absent and has the same meaning as above, and R.sup.8 and R.sup.12 have the same meaning as above, and R.sup.12 is also hydrogen or C.sub.1-20 alkylcarbonyl;
- (3) ##STR60## where the dashed bond replaces the 17.alpha. hydrogen;
- (4) .alpha.-hydrogen and ##STR61## where R.sup.13 is, (a) C.sub.1-12 alkyl;
- or
- (b) NR.sup.9 R.sup.10 ;
- (5) .alpha.-hydrogen and cyano;
- or
- (6) .alpha.-hydrogen and tetrazolyl;
- and pharmaceutically acceptable salts of the above compounds.
A pharmaceutical composition comprising a pharmaceutically acceptable carrier and a compound of formula:
- ##STR64## where Formula (I) may also have the structure of partial Formulas (II) and/or (III);
- wherein,
- A is
- (1) --CH.sub.2 --CH.sub.2 --;
- (2) --CH.dbd.CH--;
- (3) ##STR65## or (4) ##STR66## B is (1) ##STR67## where R.sup.1 is,
- (a) hydrogen;
- (b) methyl or ethyl;
- (c) ethenyl;
- (d) ethynyl;
- (e) NR.sup.2 R.sup.3 where R.sup.2 and R.sup.3 are hydrogen or methyl;
- or
- (f) cyano;
- or
- (2) ##STR68## where X.sup..crclbar. is any anion and R.sup.4 is, (a) OR.sup.5 where R.sup.5 is C.sub.1-4 alkyl;
- or
- (b) NR.sup.6 R.sup.7, where R.sup.6 and R.sup.7 are hydrogen or methyl;
- R' is hydrogen or methyl;
- R" is hydrogen or .beta.-methyl;
- R"' is hydrogen, .beta.-methyl or hydroxyl;
- Z is
- (1) .alpha.-hydrogen or .alpha.-hydroxyl and
- (a) ##STR69## where Alk is present or absent and is straight or branched hydrocarbon chain of 1 to 12 carbon atoms;
- and R.sup.8 is,
- (i) hydrogen,
- (ii) hydroxyl,
- (iii) C.sub.1-4 alkyl
- (iv) NR.sup.9 R.sup.10, where R.sup.9 and R.sup.10 are each independently selected from hydrogen, C.sub.1-4 straight or branched chain alkyl, C.sub.3-6 cycloalkyl, phenyl;
- or R.sup.9 and R.sup.10 taken together with the nitrogen to which they are attached represent a 5-6 membered saturated ring comprising up to one other heteroatom selected from oxygen and nitrogen;
- or
- (v) OR.sup.11, where R.sup.11 is M, where M is hydrogen or alkali metal, or C.sub.1-18 straight or branched chain alkyl;
- benzyl;
- or
- (b) Alk-OR.sup.12, where Alk is always present and has the same meaning as above, and
- R.sup.12 is
- (i) phenyl C.sub.1-6 alkylcarbonyl,
- (ii) C.sub.5-10 cycloalkylcarbonyl,
- (iii) benzoyl, or
- (iv) C.sub.1-8 alkoxycarbonyl;
- (v) amino, or C.sub.1-8 alkyl substituted amino, carbonyl;
- or
- (vi) hydrogen, provided that Alk is a branched C.sub.3 -C.sub.8 chain;
- (2) ##STR70## or CH-Alk-OR.sup.12, where Alk is present or absent and has the same meaning as above, and R.sup.8 and R.sup.12 have the same meaning as above, and R.sup.12 is also hydrogen or C.sub.1-20 alkylcarbonyl;
- (3) ##STR71## where the dashed bond replaces the 17.alpha. hydrogen;
- (4) .alpha.-hydrogen and ##STR72## where R.sup.13 is, (a) C.sub.1-12 alkyl;
- or
- (b) NR.sup.9 R.sup.10 ;
- (5) .alpha.-hydrogen and cyano;
- or
- (6) .alpha.-hydrogen and tetrazolyl;
- and pharmaceutically acceptable salts of the above compounds.
Dependencies are inferred from the claim text.