Claims for Patent: 4,935,437

Summary for Patent: 4,935,437

Title:	(Substituted aralkyl) heterocyclic compounds
Abstract:	A (substituted-aralkyl)heterocyclic compound of the formula I ##STR1## wherein R.sup.1 is an azido, carbamoyl, cyano, formyl, hydroxy or nitro radical, a 1-6C 1-hydroxyalkyl, alkoxy, alkylcarbamoyl, alkylthio, alkylsulphinyl or alkylsulphonyl radical, a 2-cyanoethyl radical, optionally bearing one to four 1-6C alkyl substituents, or a 2-6C alkanoyl, halogenoalkanoyl, alkanoyloxy, alkanoylamino, dialkylcarbamoyl or alkoxycarbonyl radical; R.sup.2 and R.sup.3, which may be the same or different, are each a hydrogen atom, a 1-6C alkyl, dueterioalkyl or halogenoalkyl radical, or a phenyl or phenyl(1-6C alkyl) radical, in each of which the phenyl may optionally bear one or more substituents; or R.sup.2 and R.sup.3, together with the carbon atom to which they are attached, may form a 3- to 6-membered ring; or R.sup.1 R.sup.2 R.sup.3 C- is a 1,1-dicyanoethyl or trifluoromethylsulphonyl radical; R.sup.4 is a hydrogen or halogen atom, a cyano or nitro radical or a 1-6C alkyl or halogenoalkyl radical; R.sup.5 has any of the values defined above for the group R.sup.1 R.sup.2 R.sup.3 C but is not necessarily the same as R.sup.1 R.sup.2 R.sup.3 C, or has any of the values defined above for R.sup.4 but is not necesarily the same as R.sup.4, or is a carbamoyl, 1-pyrrolidinyl-carbonyl, piperidinocarbonyl, morpholinocarbonyl or nitro radical, a 1-6C alkoxy or halogenoalkoxy radical or a 2-6C alkanoyl or alkoxy-carbonyl radical; A is a methylene or ethylene radical optionally bearing one or more substituents selected from deuterium and halogen atoms, carbamoyl, cyano and hydroxy radicals, 1-6C alkyl and alkoxy radicals, and 2-6C alkanoyloxy radicals provided that when A is linked to R.sup.6 through a nitrogen atom thereof, it may not bear a hydroxy, alkoxy or alkanoyloxy substituent on the carbon atom adjacent to such nitrogen atoms; and R.sup.6 is a 1H-1,2,4-triazol-1-yl, 4H-1,2,4-triazol-4-yl, 1H-imidazol-1-yl, 5-cyano-1H-imidazol-1-yl, 3-pyridyl or 5-pyrimidinyl radical, or a 1H-imidazol-1-yl radical, bearing at the 5-position thereof a 1-6C alkyl substituent which is itself optionally substituted by one or more carbamoyl, cyano, hydroxy or 2-6C alkoxycarbonyl radicals; and provided that when R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are hydrogen, A is a methylene radical and R.sup.6 is a 3-pyridyl radical, R.sup.1 is not a cyano, hydroxy or hydroxymethyl radical, and when R.sup.1 is a hydroxy radical, R.sup.3, R.sup.4 and R.sup.5 are hydrogen, A is a methylene radical and R.sup.6 is 3-pyridyl, R.sup.2 is not a methyl or a 2-chloro-1-methylethyl radical, and provided that when R.sup.1 is a methoxycarbonyl radical, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are hydrogen and A is a methylene radical, R.sub.1 is not a 1H-imidazol-1-yl radical; and the pharmaceutically acceptable acid addition salts thereof.
Inventor(s):	Edwards; Philip N. (Bramhall, GB2), Large; Michael S. (Stoke-on-Trent, GB2)
Assignee:	Imperial Chemical Industries plc (London, GB2)
Application Number:	07/204,743
Patent Claims:	1. A (substituted-aralkyl)heterocyclic compound of the formula I wherein R.sup.1 is an azido, carbamoyl, cyano, formyl, hydroxy or nitro radical, a 1-6C 1-hydroxyalkyl, alkoxy, alkylcarbamoyl, alkylthio, alkylsulphinyl or alkylsulphonyl radical, a 2-cyanoethyl radical, optionally bearing one to four 1-6C alkyl substituents, or a 2-6C alkanoyl, halogenoalkanoyl, alkanoyloxy, alkanoylamino, dialkylcarbamoyl or alkoxycarbonyl radical; R.sup.2 and R.sup.3, which may be the same or different, are each a 1-6C alkyl, deuterioalkyl or halogenoalkyl radical, or R.sup.1 R.sup.2 R.sup.3 C-is a 1,1-dicyanoethyl or trifluoromethylsulphonyl radical; R.sup.4 is a hydrogen or halogen atom, a cyano or nitro radical or a 1-6C alkyl or halogenoalkyl radical; R.sup.5 has any of the values defined above for the group R.sup.1 R.sup.2 R.sup.3 C, or has any of the values defined above for R.sup.4, or is a carbamoyl, 1-pyrrolidinyl-carbonyl, piperidinocarbonyl, morpholinocarbonyl or nitro radical, a 1-6C alkoxy or halogenoalkoxy radical or a 2 6C alkanoyl or alkoxy-carbonyl radical; A is a methylene or ethylene radical optionally bearing one or more substituents selected from the group consisting of deuterium and halogen atoms, carbamoyl, cyano and hydroxy radicals, 1-6C alkyl and alkoxy radicals, and 2 6C alkanoyloxy radicals provided that when A is linked to R.sup.6 through a nitrogen atom thereof, it may not bear a hydroxy, alkoxy or alkanoyloxy substituent on the carbon atom adjacent to such nitrogen atoms; and R.sup.6 is a 1H-1,2,4-triazol-1-yl or 4H-1,2,4-triazol-4 yl; and the pharmaceutically acceptable acid addition salts thereof. 2. A compound as claimed in claim 1 wherein R.sup.1 is an azido, carbamoyl, cyano, formyl, hydroxy, nitro, hydroxymethyl, 1-hydroxyethyl, 1-hydroxy-1-methylethyl, 1-hydroxypropyl, 1-hydroxy-1-methylpropyl, 1-hydroxy-2-methylpropyl, 1-hydroxybutyl, 1-hydroxypentyl, 1-hydroxyhexyl, methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, sec-butoxy, tert-butoxy, pentyloxy, neopentyloxy, hexyloxy, methylthio, ethylthio, propylthio, isopropylthio, butylthio, isobutylthio, sec-butylthio, tert-butylthio, pentylthio, neopentylthio, hexylthio, methylsulphinyl, ethylsulphinyl, propylsulphinyl, isopropylsulphinyl, butylsulphinyl, isobutylsulphinyl, sec-butylsulphinyl, tert-butylsulphinyl, pentylsulphinyl, neopentylsulphinyl, hexylsulphinyl, methylsulphonyl, ethylsulphonyl, propylsulphonyl, isopropylsulphonyl, butylsulphonyl, isobutylsulphonyl, sec-butylsulphonyl, tert-butylsulphonyl, pentylsulphonyl, neopentylsulphonyl, hexylsulphonyl, acetyl, butyryl, isobutyryl, valeryl, isovaleryl, pivaloyl, hexanoyl, chloroacetyl, dichloroacetyl, trichloroacetyl, trifluoroacetyl, 2,2,2-trichloropropionyl, 2,2,2-trifluoropropionyl, 1,2,2-trifluoropropionyl, 1,2,2,2-tetrafluoropropionyl, perfluoropropionyl, 2,2,3,3,3-pentafluorobutyryl, 2,2-dichloro-3,3,3-trifluorobutyryl, 4,4,4-trifluorovaleryl, 5,5,5-trifluorohexanoyl, acetoxy, propionyloxy, butyryloxy, isobutyryloxy, valeryloxy, isovaleryloxy, pivaloyloxy, hexanoyloxy, acetamido, propionamido, butyramido, isobutyramido, valeramido, isovaleramido, pivalamido, hexanamido, methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, isopropoxycarbonyl, butoxycarbonyl, isobutoxycarbonyl, sec-butoxycarbonyl, tert-butoxycarbonyl or pentyloxycarbonyl radical; R.sup.2 and R.sup.3, which may be the same or different, are each a methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, neopentyl, hexyl, trideuteriomethyl, mono-, di or tri-chloromethyl, mono-, di- or trifluoromethyl, 2,2,2-trichloro- or trifluoro-ethyl, 1,2,2-trichloro-or trifluoro-ethyl, pentafluoroethyl, 2,2,3,3,3-pentafluoropropyl, 2,2-dichloro-3,3,3-trifluoropropyl, 4,4,4-trifluorobutyl, 5,5,5-trifluoropentyl or 6,6,6-trifluorohexyl radical, or R.sup.1 R.sup.2 R.sup.3 C is a 1,1-dicyanoethyl or trifluoromethylsulphonyl radical; R.sup.4 is a hydrogen atom, a cyano or nitro radical, or a 1-6C alkyl or halogenoalkyl radical as defined above; R.sup.5 has any of the values defined above for the group R.sup.1 R.sup.2 R.sup.3 C, or has any of the values defined above for R.sup.4, or is a 1-6C alkoxy or a 2 6C alkanoyl or alkoxycarbonyl radical as defined above, or a carbamoyl, 1-pyrrolidinylcarbonyl, piperidinocarbonyl, morpholinocarbonyl or nitro radical, a fluorine, chlorine, bromine or iodine atom, or a mono-, di- or tri-chloromethoxy, mono-, di- or trifluoromethoxy, bromomethoxy, iodomethoxy, 2,2,2-trichloro- or trifluoro-ethoxy, 1,2,2-trichloro- or trifluoro-ethoxy, pentafluoroethoxy, 2,2,3,3,3-pentafluoropropoxy, 2,2-dichloro-3,3,3-trifluoropropoxy, 4,4,4-trifluorobutoxy, 5,5,5-trifluoropentyloxy or 6,6,6-trifluorohexyloxy radical; A is an ethylidene, propylidene, butylidene, 1- or 2-methylethylene, 1,2-dimethylethylene, dideuteriomethylene, difluoromethylene, hydroxymethylene, cyanomethylene or carbamoylmethylene radical, or a 1-hydroxyethylene radical (in which C-1 of the ethylene is linked to the benzene ring) radicals. 3. A compound as claimed in claim 1 which is a hydrochloride, hydrobromide, sulphate, nitrate, phosphate or toluene-p-sulphonate. 4. A compound as claimed in claim 1, 2 or 3 wherein R.sup.1 is a carbamoyl, cyano, hydroxy, 1-hydroxyethyl, methylthio, methylsulphinyl, methylsulphonyl or acetyl radical R.sup.2 and R.sup.3, which may be the same or different, are each a methyl, ethyl, trideuteriomethyl or fluoromethyl radical; R.sup.4 is a hydrogen, fluorine or bromine atom or a cyano, nitro, isopropyl or chloromethyl radical; R.sup.5 is a 1-cyano-1-methylethyl, 1,1-dimethyl-2-oxopropyl, 1-carbamoyl-1-methylethyl, 1-cyano-1-trideuteriomethyl-2,2,2-trideuterioet hyl, 1-cyano-2-fluoro-1-(fluoromethyl)ethyl, 1-methyl-1-(methylsulphonyl)-ethyl, 1-cyano-1-ethylpropyl, carbamoyl, 1-piperidinocarbonyl, 1-morpholinocarbonyl, acetyl or methoxycarbonyl radical; A is a methylene, ethylene, ethylidene, isopropylidene, dideuteriomethylene, hydroxymethylene, cyanomethylene, fluoromethylene or difluoromethylene radical, or a 1-hydroxyethylene radical in which the carbon atom bearing the hydroxy substituent is bonded to the benzene ring; and R.sup.6 is a 1H-1,2,4-triazol-1-yl, 4H-1,2,4-triazol-4-yl. 5. A compound as claimed in claim 1 wherein R.sup.1 is a cyano radical, R.sup.5 is a radical of the formula R.sup.1 R.sup.2 R.sup.3 C wherein R.sup.1 is a cyano or hydroxy radical, and R.sup.6 is a 1H-1,2,4-triazol-1-yl radical. 6. A compound as claimed in claim 5 wherein R.sup.2 and R.sup.3, both in the group R.sup.1 R.sup.2 R.sup.3 C and in R.sup.5, are methyl or trideuteriomethyl radicals, and A is a methylene or dideuteriomethylene radical. 7. A compound as claimed in claim 1 which is 2,2'-[5-(1H-1,2,4-triazol-1-ylmethyl)-1,3-phenylene]di(2-methylpropiononit rile), 2-[3-(1-hydroxy-1-methylethyl)-5-(1H-1,2,4-triazol-1-ylmethyl)phenyl]-2-me thylpropiononitrile, 2,2'-[5-dideuterio(1H-1,2,4-triazol-1-yl)-methyl-1,3-phenylene]di(2-trideu teriomethyl-3,3,3-trideuteriopropiononitrile) or 2,2'-[5-dideuterio(1H-1,2,4-triazol-1-yl)methyl-1,3-phenylene]di(2-methylp ropiononitrile). 8. A pharmaceutical or veterinary composition which comprises an effective amount of a compound as claimed in claim 1 together with a pharmaceutically or veterinarily acceptable diluent or carrier. 9. A method of treating steroid hormone-dependent tumours which comprises administering to a host in need of such treatment an effective amount of a compound as claimed in claim 1.