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  • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
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Definitions

• the present invention provides amide derivatives of the formula
• R , and R 2 are independently hydrogen, cyano, halo, nitro, trifluoromethyl, optionally substituted amino, alkyl, alkoxy, aryl, aralkyl, heteroaryl or heteroaralkyl; or
• Ri and R 2 combined together with the carbon atoms they are attached to form an optionally substituted 5- to 7-membered aromatic or heteroaromatic ring;
• R 3 is optionally substituted lower alkyl
• R 3 and R 2 combined together with the amide group to which R 3 is attached and the carbon atoms to which R 2 and the amide are attached form an optionally substituted 5- to 7-membered carbocyclic or heterocyclic ring;
• R 4 is optionally substituted alkyl, cycloalkyl, heterocyclyl, aryl, aralkyl or heteroaralkyl; or
• R 4 and R 3 taken together with the nitrogen atom to which they are attached form a.,5-- to 8-membered ring which may be optionally substituted or may contain another heteroatom selected from oxygen, nitrogen and sulfur; or
• R 4 and R 3 taken together with the nitrogen atom to which they are attached form a 8- to 12-membered fused bicyclic ring, which may be optionally substituted or may contain another heteroatom selected from oxygen, nitrogen and sulfur;
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6> -NR 5 C(O)NR 6 R > -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6) -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R in which
• R 5 and R 7 are independently hydrogen, optionally substituted alkyl or aralkyl; or
• R 5 and R-* are optionally substituted alkylene which combined together with the nitrogen atom to which R 5 is attached and the carbon atoms to which W and R-, are attached form a 5- or 6-membered ring;
• R 6 is optionally substituted alkyl, cycloalkyl, heterocyclyl, aryl, aralkyl or heteroaralkyl
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, cycloalkyl, heterocyclyl, heterocyclo- alKyl, aralkyl, heteroaralkyl, alkanoyl, aroyl or heteroaroyl; or
• W is aryl or heteroaryl
• W is hydrogen provided that R . is -NR 5 Z in which Z is -C(O)R 6 , -C(O)OR 6 , -C(O)NR 6 R 7l -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 ; or
• W and R combined together with the carbon atoms to which they are attached form a 6-membered aromatic or heteroaromatic ring optionally substituted with alkyl, alkoxy, aryl, heteroaryl, halo, -NR 5 Z, -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 ;
• X and Y are independently CH or nitrogen; or
• the compounds of the present invention provide pharmacological agents which may be employed to control local tissue concentrations of hormonally active glucocorticoids in mammals, in particular cortisol levels in humans and, therefore, may be employed for the treatment of disorders associated with elevated glucocorticoid concentrations.
• the compounds of the invention are inhibitors of 11 ⁇ -hydroxysteroid dehydrogenase4ype ⁇ 1- (11 ⁇ - HSD1) reductase activity.
• the bidirectional 11 ⁇ -HSD1 enzyme acts in vivo predominantly as oxoreductase converting hormonally inactive glucocorticoids to their active * 1 ⁇ -hydroxy metabolites.
• the compounds of the invention lower intracellular glucocorticoid concentrations in mammals, in particular intracellular cortisol levels in humans, improving insulin sensitivity in the muscle and the adipose tissue. Furthermore, by lowering intracellular glucocorticoid concentrations in mammals, the compounds of the instant invention reduce lipolysis and free fatty acid production in the adipose tissue. The compounds of the invention also lower hepatic glucocorticoid concentration in mammals, in particular, hepatic cortisol concentration in humans, resulting in inhibition of hepatic gluconeogenesis and lowering of plasma glucose levels. The compounds of the instant invention are thus particularly useful.
• the compounds of the invention may also be employed to treat other glucocorticoid associated disorders, such as Syndrome-X, dyslipidemia, hypertension and central obesity.
• the invention furthermore relates to the use of the compounds according to the invention for the preparation of medicaments, in particular of medicaments useful forthe treatment and prevention of glucocorticoid associated disorders, by improving insulin sensitivity, reducing plasma glucose levels, reducing lipolysis and free fatty acid production, and by decreasing visceral adipose tissue formation.
• Selective 11 ⁇ -HSD1 inhibitors of the instant invention which are substantially free of undesirable side effects resulting from the inhibition of other hydroxysteroid dehydrogenases are preferred.
• the present invention relates to the modulation of local tissue concentrations of hormonally active glucocorticoids, to methods by which the level of glucocorticoids may be controlled, and to useful therapeutic effects which may be obtained, as a result of such control.
• the invention is concerned with the reduction of cortisol levels in humans.
• the present invention is directed to amide derivatives of formula (I), pharmaceutical compositions comprising such compounds and methods of using such compounds for the treatment of disorders " associated with elevated glucocorticoid concentrations, such as type-2 diabetes, Syndrome-X, dyslipidemia, hypertension and central obesity.
• optionally substituted alkyl refers to unsubstituted or substituted "" straightpr, branched chain hydrocarbon groups having 1 to 20 carbon atoms, preferably 1 to 7 carbon atoms.
• exemplary unsubstituted alkyl groups include methyl, ethyl, propyl, isopropyl, t.-butyl, t-buiy ⁇ , isobutyl, pentyl, hexyl, isohexyl, heptyl, 4,4-dimethylpenthyl, octyl and the like.
• Substituted alkyl groups include, but are not limited to, alkyl groups substituted by one or more of the following groups: halo, hydroxy, cycloalkyl, alkanoyl, alkoxy, alkyloxyalkoxy, alkanoyloxy, amino, alkylamino, dialkylamino, alkahoylamino, thiol, alkylthio, alkylthiono, alkylsulfonyl, arylsulfonyl, heteroaryls ⁇ lfonyl, sulfonamido, nitro, cyano, carboxy, alkoxycarbonyl, aryl, aralkoxy, guanidino, heterocyclyl including indolyl, imidazolyl, furyl, tfiienyl, thiazolyl, pyrrolidyl, pyridyl, pyrimidyl, piperidyl, morpholinyl and the
• lower alkyl refers to those alkyl groups as described above having 1 to 7, preferably 1 to 4 carbon atoms.
• halogen or “halo” refers to fluorine, chlorine, bromine and iodine.
• alkenyl refers to any of the above alkyl groups having at least 2 carbon atoms and a carbon to carbon double bond at the point of attachment. Groups having two to four carbon atoms are preferred.
• alkynyl refers to any of the above alkyl groups having at least two carbon atoms and a carbon to carbon triple bond at the point of attachment. Groups having two to four carbon atoms are preferred.
• alkylene refers to a straight chain bridge of 1 to 6 carbon atoms connected by single bonds ⁇ (e.g., -(CH 2 ) ⁇ - wherein x is 1 to 6), which may be substituted with 1 to 3 lower alkyl groups.
• cycloalkyl refers to optionally substituted monocyclic, bicyclic or tricyclic hydrocarbon groups of 3 to 10 carbon atoms, each of which may optionally be substituted by one or more substituents such as alkyl, halo, oxo, hydroxy, alkoxy, alkanoyl, amino, alkylamino, dialkylamino, thiol, alkylthio, nitro, cyano, carboxy, carboxyalkyl, alkoxycarbonyl, alkyl- and arylsulfonyl, sulfonamido, heterocyclyl and the like.
• substituents such as alkyl, halo, oxo, hydroxy, alkoxy, alkanoyl, amino, alkylamino, dialkylamino, thiol, alkylthio, nitro, cyano, carboxy, carboxyalkyl, alkoxycarbonyl, alkyl- and arylsulfony
• Exemplary monocyclic hydrocarbon groups include but are not limited to cyclopropyl, ⁇ yclobutyl, cyclopentyl, cyclopentenyl, cyclohexyl and cyclohexenyl and the like.
• bicyclic hydrocarbon groups include bornyl, indyl, hexahydroindyl ? tetrahydronaphthyl, decahydronaphthyl, bicyclo[2.1.1]hexyl, bicyclo[2.2.1]heptyl, bicyclo[2.2.1]heptenyl, 6,6-dimethylbicyclo[3.1.1]heptyl, 2,6,6-trimethylbicyclo[3.1.1]heptyl, bicyclo[2.2.2]octyl and the like.
• Exemplary tricyclic hydrocarbon groups include adamantyl and the like.
• alkoxy refers to alkyl-O-.
• acyl refers to alkanoyl, aroyl, heteroaroyl, arylalkanoyl or heteroarylalkanoyl.
• alkanoyl refers to alkyl-C(O)-.
• alkanoyloxy refers to alkyl-C(O)-O-.
• alkylamino and dialkylamino refer to alkyl-NH- and (alkyl),N-, respectively.
• alkanoylamino refers to alkyl-C(O)-NH-.
• alkylthio refers to alkyl-S-.
• alkylaminothiocarbonyl refers to alkyl-NHC(S)-.
• alkylthiono refers to alkyl-S(O)-.
• alkylsulfonyl refers to alkyl-S(O) 2 -.
• alkoxycarbonyl refers to alkyl-O-C(O)-.
• alkoxycarbonyloxy refers to alkyl-O-C(O)O-.
• carbamoyl refers to alkyl-NH-C(O)-, (alkyl) 2 N-C(O)-, aryl-NHC(O)-, alkyl(aryl)-N- C(O)-, heteroaryl-NH-C(O)-, alkyl(heteroaryl)-N-C(O)-, aralkyl-NH-C(O)- and alkyl(araikyl)-N- C(O)-.
• optionally substituted amino refers to a primary or secondary amino group which may optionally be substituted by a substituent such as acyl, alkylsulfonyl, aryl- and heteroarylsulfonyl, aralkyl- and heteroaralkylsulfonyl, alkoxy- and cycloalkpxycarb ⁇ nyl, aryloxy- and heteroaryloxycarbonyl, aralkoxy- and heteroaralkoxycarbonyl, carbamoyl, alkyl- and arylaminothiocarbonyl and the like.
• a substituent such as acyl, alkylsulfonyl, aryl- and heteroarylsulfonyl, aralkyl- and heteroaralkylsulfonyl, alkoxy- and cycloalkpxycarb ⁇ nyl, aryloxy- and heteroaryloxycarbonyl, aralkoxy- and heteroaralkoxy
• aryl refers to monocyclic or bicyclic aromatic hydrocarbon groups having 6 to 12 carbon atoms in the ring portion, such as phenyl, naphthyl, tetrahydronaphthyl, biphenyl and diphenyl groups, each of which may optionally be substituted by one to four substituents such as alkyl, halo, hydroxy, alkoxy, alkanoyl, alkanoyloxy, optionally substituted amino, thiol, alkylthio, nitro, cyano, carboxy, carboxyalkyl, alkoxycarbonyl, alkylthiono, alkyl- and arylsulfonyl, sulfonamido, heterocycloyl and the like.
• monocyclic aryl refers to optionally substituted phenyl as described under aryl.
• aralkyl refers to an aryl group bonded directly through an alkyl group, such as benzyl.
• aralkoxy refers to an aryl group bonded directly through an alkoxy group.
• arylsulfonyl refers to aryl-S(O) 2 -.
• aroyl refers to aryl-C(O)-.
• aroylamino refers to aryl-C(O)-NH-.
• aryloxycarbonyl refers to aryl-O-C(O)-.
• heterocyclyl refers to an optionally substituted, fully saturated or unsaturated, aromatic or nonaromatic cyclic group, for example, which is a 4- to 7- membered monocyclic, 7- to 12-membered bicyclic, or 10 to 15 membered tricyclic ring system, which has at least one heteroatom in at least one carbon atom-containing ring.
• Each ring of the heterocyclic group containing a heteroatom may have 1 , 2 or 3 heteroatoms selected frpm nitrogen atoms, oxygen atoms and sulfur atoms, where the nitrogen and sulfur heteroatoms may also optionally be oxidized.
• the heterocyclic group may be attached at a heteroatom or a carbon atom.
• Exemplary monocyclic heterocyclic groups include pyrrolidinyl, pyrrolyl, pyrazolyl, oxetanyl, pyrazolinyl, imidazolyl, imidazolinyl, imidazolidinyl, oxazolyl, oxazolidinyl, isoxazolinyl, isoxazolyl, thiazolyl, thiadiazolyl, thiazolidinyl, isothiazolyl, isothiazolidinyl, furyl, tetrahydrofuryl, thienyl, oxadiazolyl, piperidinyl, piperazinyl, 2-oxopiperazinyl, 2-oxopiperidinyl, 2-oxopyrrolodinyl, 2-oxoazepinyl, azepinyl, 4-piperidonyl, pyridyl, pyrazinyl, pyrimidinyl, pyrid
• bicyclic heterocyclic groups include indolyl, benzothiazolyl, benzoxazolyl, benzothienyl, quinuclidinyl, quinolinyl, tetrahydroquinolinyl, decahydroquinolinyl, isoquinolinyl, tetrahydroisoquinolinyl, decahydroisoquinolinyl, benzimidazolyl, benzopyranyl, indolizinyl, benzofuryl, chromonyl, coumarinyl, benzopyranyl, cinnolinyl, quinoxalinyl, indazolyl, pyrrolopyridyl, furopyridinyl (such as furo[2,3-c]pyridinyl, furo[3,2-b]-pyridinyl] or furo[2,3- b]pyridinyl), dihydroisoindolyl, dihydroquinazolin
• heterocyclyl includes substituted heterocyclic groups.
• Substituted heterocyclic groups refer to heterocyclic groups substituted with 1 , 2 or 3 substitutents selected from the group consisting of the following:
• alkoxycarbonyl such as unsubstituted lower alkoxycarbonyl
• heterocyclooxy denotes a heterocyclic group bonded through an oxygen bridge.
• heteroaryl refers to an aromatic heterocycle, for example monocyclic or bicyclic aryl, such as pyrrolyl, pyrazolyl, imidazolyl, oxazolyl, isoxazolyl, thiazolyl, isothiazolyl, furyl, thienyl, pyridyl, pyrazinyl, pyrimidinyl, pyridazinyl, indolyl, benzothiazolyl, benzoxazolyl, benzothienyl, quinolinyl, isoquinolinyl, benzimidazolyl, benzofuryl, and the like, optionally 'substituted by, e.g., lower alkyl, lower alkoxy or halo.
• heteroarylsulfonyl refers to heteroaryl-S(O) 2 -.
• heteroaroyl refers to heteroaroyl-C(O)-.
• heteroarylkyl refer to a heteroaryl group bonded through an alkyl group.
• prodrug derivatives e.g., any pharmaceutically acceptable prodrug ester derivatives of the carboxylic acids of the invention which are convertible, by solvolysis or under physiological conditions to the free carboxylic acids.
• carboxylic acid esters are preferably lower alkyl esters, cycloalkyl esters, lower alkenyl esters, benzyl esters, mono or disubstituted lower alkyl esters, e.g., the ⁇ - (amino, mono- or di-lower alkylamino, carboxy, lower alkoxycarbonyl)-lower alkyl esters, the ⁇ -(lower alkanoyloxy, lower alkoxycarbonyl or di-lower alkylaminocarbonyl)-lower alkyl esters, such as the pivaloyloxy-methyl ester, and the like conventionally used in the art.
• the compounds of the invention depending on the nature of the substituents, may possess Qne or more asymmetric centers.
• the resulting diastereoisomers, enantiomers ⁇ ahd * geometric isomers are encompassed by the instant invention.
• R-i and R 2 are independently hydrogen, halo, optionally substituted amino, lower alkyl or lower alkoxy; or
• R* ⁇ and R 2 combined together with the carbon atoms they are attached to form an optionally substituted 6-membered aromatic ring;
• R 3 is lower alkyl
• R 3 and R 2 combined together with the amide group to which R 3 is attached and the carbon atoms to which R 2 and the amide are attached form an optionally substituted 5- to 7-membered carbocyclic or heterocyclic ring;
• R 4 is optionally substituted alkyl, cycloalkyl, heterocyclyl, aryl, aralkyl or heteroaralkyl; or R 4 and R 3 taken together with the nitrogen atom to which they are attached form a fully saturated optionally substituted 6-membered ring; or
• R 3 taken together with the nitrogen atom to which they are attached form a fully saturated 10-mernbered fused bicyclic ring, which may be optionally substituted or may contain another heteroatom selected from oxygen, nitrogen and sulfur;
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or lower alkyl; or 3 and R . are optionally substituted alkylene which combined together with the nitrogen atom to which R 5 is attached and the carbon atoms to which W and R-i are attached form a 5-membered ring;
• R 6 is optionally substituted alkyl, cycloalkyl, aryl, heteroaryl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl; or
• W is aryl or heteroaryl
• W is hydrogen provided that R-, is -NR 5 Z in which Z is -C(O)R 6 , -C(O)OR 6 , -C( ⁇ )NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 ; or
• W and R-i combined together with the carbon atoms to which they are attached form a 6-membered aromatic ring optionally substituted with alkyl, alkoxy, aryl, heteroaryl, halo, -NR 5 Z, -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 ;
• X and Y are independently CH or nitrogen; or
• R . and R 2 are independently hydrogen, halo, optionally substituted amino, lower alkyl or lower alkoxy; or
• R. and R 2 combined together with the carbon atoms they are attached to form an optionally substituted 6-membered aromatic ring;
• R 3 is methyl or ethyl; or
• R 3 and R 2 combined together with the amide group to which R 3 is attached and the carbon atoms to which R 2 and the amide are attached form a 5- to 7-membered carbocyclic ring;
• R 4 is -(CHR* ⁇ ) n Ri2 in which n is zero or an integer from 1 to 3;
• Rn is hydrogen, hydroxy or optionally substituted lower alkyl
• R- I2 is aryl, heterocyclyl or cycloalkyl
• R 4 and R 3 taken together with the nitrogen atom to which they are attached form an optionally substituted decahydroquinoline or decahydroisoquinoline which may contain another heteroatom selected from oxygen, nitrogen and sulfur;
• W is - R 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 5 and Ri are alkylene which combined together with the nitrogen atom to which R 5 is attached and the carbon atoms to which W and R-* are attached form a 5- membered ring;
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R g is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl; or
• W is optionally substituted aryl or heteroaryl
• W is hydrogen provided that R-, is -NR 5 Z in which Z is -C(O)R 6 , -C(O)OR 6 , -C(O)NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 ; or
• W and R combined together with the carbon atoms to which they are attached form a 6-membered aromatic ring optionally substituted with alkyl, alkoxy, aryl, heteroaryl, halo, -NR 5 Z, -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 ;
• X is CH
• R , and R 2 are independently hydrogen, halo, lower alkyl* or lower alkoxy; or
• R-i and R 2 combined together with the carbon atoms they are attached to form an optionally substituted 6-membered aromatic ring;
• R 3 is methyl or ethyl
• R 4 is -(CHRn) n R 12 in which ⁇ is zero or an integer of 1 ; t
• Rn is hydrogen
• R 12 is optionally substituted cyclohexyl; or R 12 is optionally substituted 1 -adamantyl providing that n is an integer of 1;
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or 1 heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl; or
• W is aryl or heteroaryl
• W and Ri combined together with the carbon atoms to which they are attached form a 6-membered aromatic ring optionally substituted with alkyl, alkoxy, aryl, heteroaryl, halo, -NR 5 Z, -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 ;
• X is CH
• Y is CH or nitrogen
• R 10 is hydrogen or methyl; or a pharmaceutically acceptable salt thereof.
• Preferred are the compounds in the B group wherein ' Ri is hydrogen;
• R 2 is hydrogen, chloro or methoxy;
• R 3 is methyl;
• R 4 is -(CHR* ⁇ ) n Ri2 in which n is zero or an integer of 1 ;
• Rn is hydrogen
• R ⁇ is optionally substituted cyclohexyl; or R 12 is optionally substituted 1- adamantyl providing that n is an integer of 1 ;
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl;
• X is CH
• Y is CH; or a pharmaceutically acceptable salt thereof.
• R- t is hydgogen
• R 2 is hydrogen or methyl
• R 3 is methyl
• R 4 is -(CHR* ⁇ ) n Ri2 in which n is an integer of 1 ;
• Rn is hydrogen
• R 12 is optionally substituted 1 -adamantyl; W is optionally substituted aryl or heteroaryl; or
• W and Ri combined together with the carbon atoms to which they are attached form a 6-membered aromatic ring optionally substituted with alkyl, alkoxy, aryl, heteroaryl, halo, -NR 5 Z, -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl
• Z is -C(O)R 6 , -C(O)O,R 6 , -C(O)NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 in which
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R . and R 2 are independently hydrogen, halo, optionally substituted amino, lower alkyl or lower alkoxy; or
• R, and R 2 combined together with the carbon atoms to which they are attached form an optionally substituted 6-membered aromatic ring;
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR,5R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 5 and R-* are alkylene which combined together with the nitrogen atom to which R 5 is attached and the carbon atoms to which W and R. are attached form a 5- membered ring;
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl; or
• W is aryl or heteroaryl
• W is hydrogen provided that R. is -NR 5 Z in which Z is -C(O)R 6 , -C(O)OR 6 , -C(O)NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 ; or
• W and R-i combined together with the carbon atoms they are attached to form a 6-membered'aromatic ring optionally substituted with alkyl, alkoxy, aryl, heteroaryl, halo, -NR 5 Z, -C(0)NR 6 R 7 , -ORg or -OC(O)NR 6 R 7 ;
• X is CH
• Y is CH or nitrogen
• R 13 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• the compounds of formula (la) in the C group may contain the decahydroquinoline noiety either in the trans or the cis configuration, or a mixture of trans and cis isomers thereof. Any optical isomer or a mixture of optical isomers thereof are also encompassed-by the present invention.
• R-i is hydrogen
• R 2 is hydrogen, chloro, methoxy, ethoxy, propoxy or optionally substituted amino
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl
• X is CH
• Y is CH;
• R 13 and R 1 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• Ri is methyl, methoxy or optionally substituted amino
• R 2 is hydrogen
• W is -N [ R 5 C(O)R 6 , -NR 5 C(O)OR 6> -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O ⁇ NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl; X is CH; Y is CH;
• R 13 and R 4 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• R-i and R 2 are hydrogen
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl
• X is CH;
• Y is nitrogen
• Ri3 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• W is hydrogen
• R 2 is hydrogen
• R. is -N
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• X is CH
• Y is CH
• R 1 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR5R- 3 , -C(O)NR 6 R 7 , -ORg or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl;
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R g is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl;
• Y is CH
• R- I 3 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• R 2 is hydrogen, halo or alkoxy
• Y is CH or nitrogen
• R 13 and R u are independently hydrogen, hydroxy or optionally substituted loweralkyl
• R 15 is hydrogen, -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R6, -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl; or a pharmaceutically acceptable salt thereof.
• Preferred in the C group are also the compounds of the formula
• R 2 is hydrogen
• Z is -C(O)R 6 , -C(O)OR 6 , -C(O)NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 in which
• Re is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or hetproaralkyl;
• R 7 is hydrogen or methyl
• R 8 is hydrogen, optiorially substituted alkyl, aralkyl or heteroaralkyl
• Y is CH
• R 1 3 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• Ri and R are independently hydrogen, halo or lower alkyl
• W is aryl or heteroaryl
• W and R-i combined together with the carbon atoms to which they are attached form a 6-membered aromatic ring optionally substituted with alkyl, alkoxy, aryl, heteroaryl, halo, -NR 5 Z, -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• Z is -C(O)R ⁇ , -C(O)OR 6 , -C(O)NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 ;
• R 5 and R 7 are independently hydrogen or methyl;
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• Rs is optionally substituted alkyl, aralkyl or heteroaralkyl
• Rg is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl
• R 13 and R M are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• R 2 is hydrogen, halo or lower alkyl
• R 1 3 and R 1 are independently hydrogen, hydroxy or optionally substituted lower alkyl
• Ri 6 is hydrogen, halo, alkyl, aryl, heteroaryl or -NR 5 Z in which
• Z is -C(O)R 6 , -C(O)OR 6 , -C(O)NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 ;
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl; or a pharmaceutically acceptable salt thereof.
• R 2 is hydrogen, halo or lower alkyl
• R 1 0 is hydrogen or methyl
• R 13 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl
• R 16 is hydrogen, halo, alkyl, aryl, heteroaryl or -NR 5 Z in which
• Z is -C(O)R ⁇ , -C(O)OR ⁇ , -C(O)NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 ;
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl; or a pharmaceutically acceptable salt thereof.
• R 2 are independently hydrogen, halo, optionally substituted amino, lower alkyl or lower alkoxy; or
• R-i and R 2 combined together form an optionally substituted 6-membered aromatic ring
• W is -NR 5 C(O)R 6 , -NR 5 C(O)ORe, -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 5 and R-i are alkylene which combined, together with the nitrogen atom to which R 5 is attached and the carbon atoms to which W and R . are attached form a 5- membered ring;
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl; or W is aryl or heteroaryl; or
• W and Ri combined together with the carbon atoms to which they are attached form a 6-membered aromatic ring optionally substituted with alkyl, alkoxy, aryl, heteroaryl, halo, -NR 5 Z, -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• Z is -C(O)R 6 , -C(O)OR ⁇ , -C(O)NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 ;
• R 13 and R 1 are independently hydrogen, hydroxy or optionally substituted lower alkyl
• X is CH
• Y is CH or nitrogen
• the compounds of formula (Ih) in the D group may contain the decahydroisoquinoline moiety either in the trans or the cis configuration. Any optical isomer or a mixture of optical isomers thereof are also encompassed by the present invention.
• R 2 is hydrogen, chloro, methoxy, ethoxy, propoxy or optionally substituted amino
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -Np5S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl
• X is CH
• Y is CH
• R*i3 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof. Preferred are also the compounds of formula (Ih) wherein
• R t is methyl, methoxy or optionally substituted amino
• R is hydrogen
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl
• X is CH
• Y is CH
• R 13 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• R-i and R 2 are hydrogen
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NRgS(O) 2 R 6 -NR 5 R- 3 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl; t- X is CH;
• Y is nitrogen
• R 13 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• Preferred in the D group are also the compounds of the formula
• W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6> -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or hetejr ⁇ aralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• ⁇ Rg is hydrogen, optionally substituted alkyl, aralkyl, heteroaralkyl or alkanoyl;
• Y is CH
• R 13 and R 14 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• R 2 is hydrogen
• Z is -C(O)R 6 , -C(O)OR 6 , -C(O)NR 6 R 7 , -C(S)NR 6 R 7 , -S(O) 2 R 6 , or -R 8 in which
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 7 is hydrogen or methyl ' ;
• R 8 is hydrogen, optionally substituted alkyl, aralkyl or heteroaralkyl
• Y is CH; R- 1 3 and R 1 are independently hydrogen, hydroxy or optionally substituted lower alkyl; or a pharmaceutically acceptable salt thereof.
• R . is hydrpgen
• R 4 is -(CHRn) n Ri2 in which n is zero or an integer from 1 to 2;
• .Rn is hydrogen
• R 12 is aryl, heteroaryl, heterocyclyl or cycloalkyl
• W is -NR 5 C(O)R e , -NR 5 C(O)OR 6 , -NR 5 C(O)NR 6 R 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 , -NR 5 R 8 , -C(O)NR 6 R 7 , -OR 9 or -OC(O)NR 6 R 7 in which
• R 5 and R 7 are independently hydrogen or methyl
• R 6 is optionally substituted alkyl, aryl, hetroaryl, cycloalkyl, aralkyl or heteroaralkyl;
• R 8 is optionally substituted alkyl, aralkyl or heteroaralkyl
• R 9 is (C 1 . 6 )alkyl substituted by cycloalkyl, alkoxy, cycloalkoxy, alkylthio, aryloxy, heterocyclooxy, arylthio, aryl or heteroaryl;
• Y is CH; m is zero or an integer from 1 to 2; or a pharmaceutically acceptable salt thereof.
• salts of any acidic compounds of the invention are salts formed with bases, namely cationic salts such as alkali and alkaline earth metal salts, such as sodium, lithium, potassium, calcium, magnesium, as well as ammonium salts, such as ammonium, trimethylammonium, diethylammonium, and tris-(hydroxymethyl)- methylammonium salts.
• bases namely cationic salts such as alkali and alkaline earth metal salts, such as sodium, lithium, potassium, calcium, magnesium, as well as ammonium salts, such as ammonium, trimethylammonium, diethylammonium, and tris-(hydroxymethyl)- methylammonium salts.
• acid addition salts such as of mineral acids, organic carboxylic, and organic sulfonic acids, e.g., hydrochloric acid, methanesulfonic acid, maleic acid
• a basic group such as pyridyl
• W represents W as defined herein, or vy is a group convertible to W, with an amine or an acid addition salt thereof of the formula
• R has meaning as defined herein, R 3 ' represents R 3 as defined herein, or R 3 ' is a group convertible to R 3 , to form a compound of the formula
• R*-, R 2 , R 4 , X and Y have meaning as defined herein
• R 3 ' and W represent R 3 and W as defined herein, or R 3 ' and W are groups convertible to R 3 and W, respectively.
• Carboxylic acids of formula (II) and amines of formula (III) may be prepared using methods described herein or modifications thereof or using methods well known in the art.
• activated derivatives of carboxylic acids include acid chlorides, bromides and fluorides, mixed anhydrides, lower alkyl esters, and activated esters thereof, and adducts formed with coupling agents such as 1-ethyl-3-(3- dimethylaminopropyl)carbodiimide hydrochloride, O-(1 ,2-dihydro-2-oxo-1-pyridyl)-/V, ⁇ /, ⁇ /', ⁇ /'- tetramethyluronium tetrafluoroborate and the like.
• coupling agents such as 1-ethyl-3-(3- dimethylaminopropyl)carbodiimide hydrochloride, O-(1 ,2-dihydro-2-oxo-1-pyridyl)-/V, ⁇ /, ⁇ /', ⁇ /'- tetramethyluronium tetrafluoroborate and the like.
• Mixed anhydrides are preferably such from pivalic acid, or lower alkyl hemiesters of carbonic acids, such as ethyl or isobutyl analogs.
• Activated esters include, for example, succinimido, phthalimido or 4-nitrophenyl esters.
• reaction of an activated derivative of a carboxylic acid, e.g., those of formula (II), with an amine, e.g., those of formula (III), may be carried out in the presence of a base such as triethylamine, dusopropylethylamine or ⁇ /-methylmorpholine in an inert solvent such as dtchloromethane, ⁇ /, ⁇ /-dimethylformamide or tetrahydrofuran.
• Carboxylic acids of formula (II) can be converted to their activated derivatives using methods described herein or modifications thereof or using methods well known in the art.
• Groups convertible to W include nitro, trifuoromethylsulfonate, bromine and chlorine.
• compounds of formula (I') in which W is nitro can be first reduced to the corresponding amines of the formula
• R**, R 2 , R 4 , X and Y have .meaning as defined herein, and R 3 ' represents R 3 , according to methods well described in the art, e.g., with hydrogen in the presence of a catalyst such as palladium on carbon in a polar solvent such as ethyl acetate, methanol or ethanol.
• a catalyst such as palladium on carbon in a polar solvent such as ethyl acetate, methanol or ethanol.
• Compounds of formula (I') wherein R t , R 2 , R 3 ⁇ R , X and Y have meaning as defined herein and W is nitro may be prepared as described herein or modifications thereof, or using methods well known in the art.
• compounds of formula (IV) in which R 1 ( R 2 , R 4 , X and Y have meaning as defined herein, and R 3 ' represents R 3 may be prepared by reacting compounds of formula (I') wherein W is trifuoromethanesulfonate, bromine or chlorine and R 1 ( R , R 4 , X and Y have meaning as defined herein, and R 3 ' represents R 3 , with benzophenone imine under conditions of a Buchwald condensation or using other methods well known in the art.
• Compounds of formula (IV) can then be treated with a /V-derivatizing agent, such as an activated derivative of a carboxylic acid, a chloroformate, a sulfonyl chloride, an isocyanate or a thioisocyanate to obtain compounds of formula (I') in wherein R-i, R , R 4 , X and Y have meanings as defined herein, and R 3 ' represents R 3 , and W is -NR 5 C(O)R 6 , -NR 5 C(O)OR 6 , -NR 5 C(O)NReR 7 , -NR 5 C(S)NR 6 R 7 , -NR 5 S(O) 2 R 6 in which R 5 , R 6 and R 7 have meanings as defined herein.
• a /V-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate, a sulfonyl chloride, an isocyan
• the reaction to form compounds of formula (I') may be carried out under an inert atmosphere, in the presence of a base such as triethylamine, dusopropylethylamine or ⁇ /-methylmorpholine in an inert solvent or a mixture of solvents such as acetonitrile, dtchloromethane, N, ⁇ /-dimethylformarnide or tetrahydrofuran.
• a base such as triethylamine, dusopropylethylamine or ⁇ /-methylmorpholine
• solvents such as acetonitrile, dtchloromethane, N, ⁇ /-dimethylformarnide or tetrahydrofuran.
• R*-, R 2 , R 3 , R 4 , X and Y have meaning as defined herein, with an amine or an acid addition salt thereof of the formula
• Carboxylic acids of formula (V) t and amines of formula (Vi) may be prepared according to methods described herein or modifications thereof, or using methods well known in the art.
• compounds of formula (I') wherein W is hydroxy may be treated with alcohols of formula RgOH under Mitsunobu conditions, e.g., in the presence of triphenylphoshine and diethyl azodicarboxylate in an organic solvent such as tetrahydrofuran, to afford compounds of formula (I').
• protecting groups are to protect the functional groups from undesired reactions with reaction components under the conditions used for carrying out a desired chemical transformation.
• the need and choice of protecting groups for a particular reaction is known to those skilled in the art and depends on the nature of the functional group to be protected (hydroxy group, amino group, etc.), the structure and stability of the molecule of which the substituent is a part and the reaction conditions.
• the above-mentioned reactions are carried out according to standard methods, in the presence or absence of diluent, preferably such as are inert to the reagents and are solvents thereof, of catalysts, condensing or said other agents respectively and/or inert atmospheres, , at low temperatures, room temperature or elevated temperatures (preferably at or near the boiling point of the solvents used), and at atmospheric or super-atmospheric pressure.
• diluent preferably such as are inert to the reagents and are solvents thereof, of catalysts, condensing or said other agents respectively and/or inert atmospheres, , at low temperatures, room temperature or elevated temperatures (preferably at or near the boiling point of the solvents used), and at atmospheric or super-atmospheric pressure.
• the invention further includes any variant of the present processes, in which an intermediate product obtainable at any stage thereof is used as starting material and the remaining steps are carried out, or in which the starting materials are formed in situ under the reaction conditions, " or in which the reaction components are used in the form of their salts or optically pure antipodes.
• the invention also relates to any novel starting materials and processes for their manufacture.
• the new compounds may be in the form of one of the possible isomers or mixtures thereof, for example, as substantially pure geometric (cis or trans) isomers, optical isomers (antipodes), racemates, or mixtures thereof.
• the aforesaid possible isomers or mixtures thereof are within the purview of this invention.
• Any resulting mixtures of isomers can be separated on the basis of the physico-chemical differences of the constituents, into the pure geometric or optical isomers, diastereoisomers, racemates, for example by chromatography and/or fractional crystallization.
• Any resulting racemates of final products or intermediates can be resolved into the optical antipodes by known methods, e.g., by separation of the diastereoisomeric salts thereof, obtained with an optically active acid or base, and liberating the optically active acidic or basic compound.
• the carboxylic acid intermediates can thus be resolved into their optical antipodes, e.g., by fractional crystallization of D- or L-(alpha-methylbenzylamine, cinchonidine, cinchonine, quinine, quinidine, ephedrine, dehydroabietylamine, brucine or s * frychnine)-salts.
• Racemic products can also be resolved by chiral chromatography, e.g., high pressure liquid chromatography using a chiral adsorbent.
• Acidic compounds of the invention may be converted into salts with pharmaceutically acceptable bases, e.g., an aqueous alkali metal hydroxide, advantageously in the presence of an ethereal or alcoholic solvent, such as a lower alkanol. From the solutions of the latter, the salts may be precipitated with ethers, e.g., diethyl ether. Resulting salts may be converted into the free compounds by treatment with acids. These or other salts can also be used for purification of the compounds obtained.
• bases e.g., an aqueous alkali metal hydroxide
• an ethereal or alcoholic solvent such as a lower alkanol.
• ethers e.g., diethyl ether
• Resulting salts may be converted into the free compounds by treatment with acids.
• Compounds of the invention having basic groups can be converted into acid addition salts, especially pharmaceutically acceptable salts. These are formed, for example, with inorganic acids, such as mineral acids, for example sulfuric acfd, a phosphoric or hydrohalic acid, or with organic carboxylic acids, such as (C C 4 )-alkanecarboxylic acids which, for example, are unsubstituted or substituted by halogen, for example acetic acid, such as saturated or gnsaturated dicarboxylic acids, for example, oxalic, succinic, maleic or fumaric acid s ⁇ bh as hydroxy-carboxylic acids, for example glycolic, lactic, malic, tartaric or citric acid, such as amino acids, for example aspartic or glutamic acid, or with organic sulfonic acids, such as (C t -C 4 )-alkyl-sulfonic acids (for example methanesulfonic acid) or arylsulf
• the compounds, including their salts, can also be obtained in the form of their hydrates, or include other solvents used for their crystallization.
• compositions according to the invention are those suitable for enteral, such as oral or rectal, transdermal and parenteral administration to mammals, including man, for the treatment of conditions associated with increased 11 ⁇ -HSD1 oxoreductase activity which can lead to elevated local tissue concentrations of hormonally active glucocorticoids, such as cortisol in man.
• Such conditions include Syndrome-X, dyslipidemia, hypertension, central obesity, and insulin resistance and hyperglycemia in Type 2 diabetes.
• the said pharmaceutical compositions comprise a therapeutically effective amount of a pharmacologically active compound of the instant invention, alone or in combination with another therapeutic agent and one or more pharmaceutically acceptable carriers.
• the pharmacologically active compounds of the invention may be employed in the manufacture of pharmaceutical compositions comprising a therapeutically effective amount r thereof in cqnjunction or admixture with excipients or carriers suitable for either enteral or parenteral application.
• Preferred are tablets and gelatin capsules comprising the active ingredient together with a) diluents, e.g., lactose, dextrose, sucrose, mannitol, sorbitol, cellulose and/or glycine; b) lubricants, e.g., silica, talcum, stearic acid, its magnesium or calcium salt and/or polyethyleneglycol; for tablets also c) binders, e.g., magnesium aluminum silicate, starch paste, gelatin, tragacanth, methylcellulose, sodium carboxymethylcellulose and or polyvinylpyrrolidone; if desired d) disintegrants, e.g., starches, agar, algin
• compositions are preferably aqueous isotonic solutions or suspensions, and suppositories are advantageously prepared from fatty" emulsions or suspensions.
• Said compositions may be sterilized and/or contain adjuvants, such as preserving, stabilizing, wetting or emulsifying agents, solution promoters, sajts for regulating the osmotic pressure and/or buffers. In addition, they may also contain other therapeutically valuable substances.
• Said compositions are prepared according to conventional mixing, granulating or coating methods, respectively, and contain about 0.1 to 75%, preferably about 1 to 50%, of the active ingredient.
• Suitable formulations for transdermal application include a therapeutically effective amount of a compound of the invention with carrier.
• Advantageous carriers include absorbable pharmacologically acceptable solvents to assist passage through the skin of the host.
• transdermal devices are in the form of a bandage comprising a backing member, a reservoir containing the compound optionally with carriers, optionally a rate controlling barrier to deliver the compound of the skin of the host at a controlled and predetermined rate over a prolonged period of time, and means to secure the device to the skin.
• the pharmaceutical formulations contain a therapeutically effective amount of a compound of the invention as defined above, either alone or in a combination with another therapeutic a'gent, e.g., each at an effective therapeutic dose as reported in the art.
• Such therapeutic agents include insulin, insulin derivatives and mimetics; insulin secretagogues, such as the sulfonylureas, e.g., Glipizide, glyburide and Amaryl; insulinotropic sulfonylurea receptor ligands, such as meglitinides, e.g., nateglinide and repaglinide; PPAR ⁇ and/or PPAR ⁇ (peroxisome proliferator-activated receptor) ligands such as MCC-555, MK767, L-165041 , GW7282 or thiazolidinediones such as rosiglitazone, pioglitazone, troglitazone; insulin sensitizers, such as protein tyrosine phosphatase-1 B (PTP-1B) inhibitors such as PTP-112; GSK3 (glycogen synthase kinase-3) inhibitors such as SB-517955, SB-4195052, SB
• a compound of the present invention may be administered either simultaneously, before or after the other active ingredient, either separately by the same or different route of administration or together in the same pharmaceutical formulation.
• the present invention concerns a pharmaceutical composition
• a pharmaceutical composition comprising a therapeutically effective amount of a compound of the invention in combination with one or more pharmaceutically acceptable carriers.
• the present invention concerns a pharmaceutical composition
• a pharmaceutical composition comprising a therapeutically effective amount of a compound of the invention in combination with a therapeutically effective amount of another therapeutic agent, preferably selected from anti- diabetics, hypolipidemic agents, anti-obesity agents, anti-hypertensive agents or inotropic agents, most preferably from antidiabetics or hypolipidemic agents as described above.
• a pharmaceutical composition as described above for use as a medicament for use as a medicament.
• a pharmaceutical composition or combination as described above for the preparation of a medicament for the treatment of conditions associated with 11 ⁇ -HSD1 oxoreductase activity preferably, impaired glucose tolerance, Type 1 or Type 2 diabetes, insulin resistance, dyslipidemia, metabolic Syndrome X and central obesity, more preferably/Type 2 diabetes, impaired glucose tolerance and central obesity.
• a pharmaceutical composition as described above for the treatment of conditions associated with 11 ⁇ -HSD1 oxoreductase activity preferably, impaired glucose tolerance, Type 1 or Type 2 diabetes, insulin resistance, dyslipidemia, metabolic Syndrome X and central obesity.
• a unit dosage for a mammal of about 50 to 70 kg may contain between about 1 mg and 1000 mg, advantageously between about 5 to 500 mg of the active ingredient.
• the therapeutically effective dosage of active compound is dependent on the species of warmblooded animal (mammal), the body weight, age and individual condition, on the form of administration, and on the compound involved.
• the compounds of the present invention are inhibitors of 11 ⁇ -HSD1, and thus may be employed for the treatment of conditions associated with increased 11 ⁇ -HSD1 oxoreductase activity.
• Such compounds may therefore be employed for the treatment of conditions in which elevated local tissue concentrations of hormonally active glucocorticoids, such as cortisol in man, are implicated, e.g., Syndrome-X, dyslipidemia, hypertension, central obesity, and insulin resistance and hyperglycemia in Type 2 diabetes.
• hormonally active glucocorticoids such as cortisol in man
• the present invention relates to:
• a compound of the invention for use as a medicament.
• a pharmaceutical composition for use in conditions associated with 11 ⁇ -HSD1 oxoreductase activity comprising a compound of formula (I) in free form or pharmaceutically acceptable salt form in association with a pharmaceutically acceptable diluent or carrier therefore.
• a method for the prevention and/or treatment of conditions associated with 11 ⁇ -HSD1 oxoreductase activity which comprises administering a therapeutically effective amount of a compound of the present invention.
• a therapeutic combination e.g. a kit, kit of parts e.g. for use in any method as defined herein, comprising a compound of formula (I), in free form or in pharmaceutically acceptable salt form, to be used concomitantly or in sequence with at least one pharmaceutical composition comprising at least another therapeutic agent, preferably selected from antidiabetics, hypolipidemic agents, anti-obesity agents, anti-hypertensive agents or inotropic agents.
• the kit may comprise instructions for its administration.
• a kit of parts comprising
• a pharmaceutical composition of the invention (ii ) a pharmaceutical composition comprising a compound selected from an antidiabetic, anti-obesity agent, anti-hypertensive agent, inotropic agent or hypolipidemic agent, or a pharmaceutically acceptable salt thereof, in the form of two separate units of the components (i) to (ii).
• a method as defined above comprising co-administration, e.g.
• a therapeutically effective amount of a compound of formula (I) in free form or in pharmaceutically acceptable salt form and a second drug substance, said second drug substance being a antidiabetic, anti-obesity agent, anti-hypertensive agent, inotropic agent or hypolipidemic agent, e.g. as indicated above.
• a compound of the invention is administered to a mammal in need thereof.
• a compound of the invention is used for the treatment of a disease which responds to inhibition of 11 ⁇ -HSD1 oxoreductase activity.
• the conditions associated with increased 11 ⁇ *-HSD1 oxoreductase activity are selected frdm impaired glucose tolerance, Type 1 or Type 2 diabetes, insulin resistance, dyslipidemia, metabolic Syndrome X and central obesity, most preferably Type 2 diabetes, impaired glucose tolerance and central obesity.
• a method or use according to the invention which comprises administering said compound in combination with a therapeutically effective amount of an antidiabetic agent, anti-obesity agent, anti-hypertensive agent, inotropic agent or hypolipidemic agent.
• a method or use according to the invention which comprises administering saidpornpound in the form of a pharmaceutical composition as described herein.
• treatment embraces all the different forms or modes of treatment as known to those of the pertinent art and in particular includes preventive, curative, delay of progression and palliative treatment.
• a therapeutically effective amount in vivo may range depending on the route of administraton, between about 1 and 500 mg/kg, preferably between about 5 and 100 mg/kg.
• the activity of a compound according to the present invention can be assessed by the following methods or methods well described in the art:
• Recombinant human 11 ⁇ -HSD1 is expressed in yeast Pichia pastoris. Cultures are grown at 30°C for 3 days in the presence of methanol to induce enzyme expression. The microsomal fraction overexpressing 11 ⁇ -HSD1 is prepared from the cell homogenate and used as the enzyme source for primary screening. A test compound at the desired concentration is pre- incubated for 10 min at RT with 3 ⁇ g of the microsomal protein in 50 mM sodium phosphate, pH 7.5, in a total volume of 80 ⁇ L.
• the enzyme reaction is initiated by adding 20 ⁇ L of a mixture containing 5 mM NADPH, 500 nM cortisone, and 80,000 dpm of [ 3 H]cortisone in the same buffer and is terminated by ethyl acetate after incubation for 90 min at 37°C.
• the production of [ 3 H]cortisol is quantitated upon separation from [ 3 H]cortisone by a C t8 column on HPLC equipped with a radioactivity detector.
• Glycerrhetinic acid a known inhibitor of 11 ⁇ -HSD1 is used as a standard.
• the SW-620 human colon carcinoma cell line is obtained from the American Type Culture Collection (ATCC). Cells are plated at a density of 8-10 x 10 4 cells/cm 2 in DMEM/F12 Containing 5% BCS, 100 U/mL penicillin, 100 ⁇ g/mL streptomycin and 0.25 ⁇ g/L ⁇ amphotericin B. Cultures are grown to 80-90% confluence in a humidified atmosphere of 5% CO 2 at 37°C. The medium is changed to serum-free, phenol red-free DMEM/F12 at 24 h before harvesting the cells.
• ATCC American Type Culture Collection
• Dehydrogenase activity is quantified by measuring the conversion of [ 3 H]cortisol to [ 3 H]cortisone using lysates of SW-620 cells as the enzyme source.
• the assay is performed in tubes containing Kreb's-Ringer buffer pH 7.4, with 0.20 mM NAD and 200,000 dpm of [ 3 H]cortisol and a test compound in a total volume of 1 mL.
• the tubes are preincubated for 10 min at 37°C before adding 200 ⁇ g of cell lysates to start the reaction. After incubation for 1 h at 37°C in a shaking water bath, the mixture is extracted with 2 volumes of ethyl acetate and centrifuged for 10 min at 2,000 rpm.
• the organic layer is collected, dried under vacuum and resuspended in methanol.
• the dissolved residues are quantitatively transferred to thin layer plates and developed in chloroform-methanoi (90:10). Unlabeled cortisol and cortisone were used as reference markers.
• the TLC plates are scanned on a Bioscan radioimaging detector (Bioscan, Washington, DC), and the fractional conversion of cortisol to cortisone is calculated. Enzyme activity is expressed as pmoles of product formed per mg protein per hour. Carbenoxolone and glycyrrhetinic acid are used as standards.
• the inhibition of cellular 11 ⁇ -HSD1 activity in primary rat hepatocytes is determined as follows:
• mice Male Sprag ⁇ e-Dawley rats weighing 180-200 g are anesthetized with sodium pentobarbital (65 mg/kg).
• the liver is perfused in situ with calcium-free Earl's Balanced Salt Solution (EBSS) followed by EBSS containing 100-150 U/mL of collagenase, 1.8 mM CaCI 2 and 10 mM HEPES, pH 7.4.
• EBSS calcium-free Earl's Balanced Salt Solution
• the perfuse'd liver is removed and aseptically placed in warm William's Medium E containing 10% BCS. After decapsulation, the organ is transferred to fresh medium and gently shaken to facilitate tissue dissociation and cell release. Hepatocytes are separated from nonparenchymal and dead cells by repeated low speed centrifugation. Cell viability is determined by trypan blue exclusion.
• Hepatocytes are plated on collagen coated dishes at a density of 1 x 10 5 cells/cm 2 jrj c ⁇ ⁇ William's medium E containing 10% BCS, 100 U/mL penicillin, 100 ⁇ g/mL streptomycin, 0.25 ⁇ g/mL amphotericin B, 2 mM L-glutamine, 10 mM HEPES, 100 nM insulin an,d 1 nM dexamethasone. After 1 h the medium is changed to serum-free William's medium E supplemented as described above. Thereafter, the medium is replaced every 24 h. The cultures are maintained in a humidified atmosphere of 5% CO 2 at 37°C.
• Enzyme activity is measured in the medium of primary cultures of rat hepatocytes 48 h after plating the cells.
• the medium is aspirated and replaced with serum-free William's medium E containing 2 nM [ 3 H]11-dehydrocorticosterone and a test compound and is incubated for 2 h.
• An aliquot of culture medium is removed at the end of the incubation and the mixture is extracted with 2 volumes of ethyl acetate, dried under vacuum and resuspended in methanol. The dissolved residues are quantitatively transferred to thin layer plates and developed in chloroform-methanoi (90:10).
• the TLC plates are scanned on a Bioscan imaging detector and the fractional conversion of 11-dehydrocorticosterone to corticosterone is calculated.
• the cell layer is rinsed with cold phosphate-buffered saline and dissolved in 0.1 N NaOH/5% SDS for the determination of cellular protein (BCA, Pierce, Rockford, IL). Enzyme activity is expressed as pmoles of product formed per mg protein per hour.
• ADX mice Inhibition of corticosterone production in adrenalectomized (ADX) mice is determined as follows:
• Bilateral adrenalectomy is performed in male mice of the CD1 strain (6 to 8 weeks of age, 25-30 g body weight) through a lumbar laparotomy. After 0 days the animals are fasted for 24 h. Compounds are administered orally at 25 mg/kg each at 2 and 4 h before sacrifice. A second group of animals receives carbenoxolone at the same dose, and a third group receives the vehicle (cornstarch). Homogenized liver samples are used to measure corticosterone concentration which is determined by radioimmunoassay and is expressed as pg of corticosterone per mg of liver protein.
• ⁇ /-cyclohexylmethyl-4-fluorobenzoylamfno- ⁇ /-methylbenzamide may be prepared as follows:
• solutions of NMM (2.0 M in THF, 126 ⁇ L, 0.225 mmol) and 4-fluorobenzoyl chloride (1.0 M in THF, 195 ⁇ L, 0.195 mmol) are dispensed sequentially into a vial containing a solution of the title C compound, 4-amino-/V- cyclohexylmethyl- -methylbenzamide in ⁇ /, ⁇ /-dimethylformamide (DMF, 0.30 M, 4500 ⁇ L, 0.15 mmol).
• the vial is shaken at RT for 5 h, then PS Trisamine (Argoscoop set at 0.5, Argonaut Technologies, Inc.) is added to the vial.
• Example 2 The following compounds are prepared analogously to Example 1 by treating the title C compound in Example 1 with the appropriate activated derivative bf a carboxylic acid.
• the sodium salt of the title A compound, ⁇ 4-[(cyclohexylmethyl)methylcarbamoyl]- phenyl ⁇ carbamic acid allyl ester is prepared in a 3 mL volumetric flask by dissolving the title A compound (330 mg, 1.00 mmol) in 2 mL of THF, adding NaH (60% suspension in mineral oil, 44 mg, 1.1 mmol), and diluting the mixture to 3 mL of total volume with DMF. The mixture is shaken for 10 min and used immediately.
• Example 5 The following compounds are prepared analogously to Example 5 by converting jhe tje A compound in Example 5 to its sodium salt, treating the sodium salt with the appropriate alkylating agent followed by deallylation.
• the catalyst is removed by vacuum filtration through Celite, and the filtrate is concentrated to give (4-aminophenyl)-(4aS*,8aR * )-octahydro-1(2H)-quinolin-1 -yl-methanone.
• the product is used as such in the following step.
• Example 9 The following compounds are prepared analogously to Examples 9 and 10 using either the title B compound in Example 9 or the title A compound in Example 10 and the appropriate N- derivatizing agent, such as an activated derivative of a carboxylic acid, a chloroformate, a sulfonyl chloride, an isocyanate or a thioisocyanate.
• N- derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate, a sulfonyl chloride, an isocyanate or a thioisocyanate.
• Example 9 The following compounds are prepared analogously to Example 9 starting from 2-ctyoro-4- nitrobenzoyl chloride and decahydroquinoline and treating the intermediate 4-amino-2- chlorobenzamide derivative analogous to the title B compound in Example 9 with the appropriate ⁇ /-derivatizing agent, such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• the appropriate ⁇ /-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• Example 9 The following compounds are prepared analogously to Example 9 starting from 2-methoxy- 4-nitrobenzoyl chloride or 3-methoxy-4-nitrobenzoyl chloride and decahydro-quinoline, and treating the intermediate 4-amino-2-methoxybenzamide or 4-amino-3-methoxybenzamide derivatives analogous to the title B compound in Example 9 or the title A compound in Example 10 with the appropriate /V-derivatizing agent, such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• the appropriate /V-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• Oxalyl chloride (0.65 mL, 7.47 mmol) is added dropwise to a solution of the title C compound, 2-allyloxy-4-nitrobenzoic acid (1.11 g, 4.98 mmol) in 0.50 mL DMF and 40 mL CH 2 CI 2 at 0°C.
• the reaction is stirred at 0°C for 1 h then NMM (1.37 mL, 12.45 mmol) and decahydroquinoline (832 mg, 5.97 mmol) are added sequentially.
• the reaction is warmed to
• a solution of NMM (2.0 ' inTHF, 135 ⁇ L, 0.27 mol) and a solution of 2,4-dichlorobenzoyl chloride (1.0 M in THF, 225 ⁇ L, 0.225 mmol) are dispensed sequentially into a vial containing a solution of tlie title E » compound, (4-amino-2-propoxyphenyl)-[octahydro-1(2H)-quinolin-1-yl]-methanone (0.60 M in DMF, 250 ⁇ L, 0.15 mmol).
• the vial is shaken at RT for 16 h.
• a solution of aqueous lithium hydroxide (1.5 N, 100 ⁇ L, 0.15 mmol) is dispensed into the vial, and the vial is shaken for 20 min.
• the reaction mixture is acidified with 50 ⁇ L TFA and purified by HPLC to afford 2,4- dichloro-/V-[4-(octahydro-1(2H)-quinoline-1-carbonyl)-3-propoxyphenyl]benzamide: API-MS 489 [M+H]*.
• Example 18 the following compounds are prepared analogously to Example 17 by treating the title E compound in Example 17 with the appropriate ⁇ /-derivatizing agent, such as an activated derivative of a carboxylic acid or a chloroformate.
• the appropriate ⁇ /-derivatizing agent such as an activated derivative of a carboxylic acid or a chloroformate.
• the concentrate is partitioned between 5 mL of water and 5 mL of dichloromethane.
• the aqueous layer is separated and made acidic by the addition of 1 N aqueous HCl.
• the precipitate is collected by filtration, washed with water and dried to give 4-[(3,4-dimethoxy- benzoyl)-amino]-1 -naphthalene carboxylic acid: m.p.
• 1,4-Naphthalene dicarboxylic acid (12 g, 55.5 mmol) is suspended in 200 mL of MeOH. Hydrogen chloride gas is bubbled through for 10 min and the reaction is refluxed overnight. The resulting mixture is cooled to RT, then concnetrated under reduced pressure. Flash chromatograhpy on silica (eluant: 33% EtOAc in hexane) gives methyl 1 ,4-napthalene dicarboxylate as a whilte soild: NMR (CDCI 3 ) 4.01 (6H, s), 7.63 (2H, dd), 8.09 (2H, s), 8.82 (2H, dd).
• the orgahic layer is ; , collected, dried over anhydrous Na 2 SO 4 , and concentrated in vacuo to give methyl 1,4-naphthalene monocarboxylate as a white solid: NMR (DMSO-c 6 ) 3.98 (3H, s), 7.71 (2H, dd), 8.1 (2H, s), 8.7 (1H, dd), 8.78-8.86 (1 H, m).
• reaction mixture is allowed to stirred at RT for 4 h.
• the reaction mixture is poured into water and extracted with EtOAc.
• the combined organic extracts are washed successively with 1 N aqueous HCl, water, saturated aqueous NaHCO 3 , water, and the organic solution is dried over anhydrous Na 2 SO 4 , and concentrated under reduced pressure.
• a solution of aqueous lithium hydroxide (1.5 N, 100 ⁇ L, 0.15 mmol) is dispensed into the vial, and the vial is agitated for 20 min.
• the reaction mixture is diluted with 500 ⁇ L DMF, acidified with 50 ⁇ L TFA and purified by HPLC to afford of (4-fluoro-phenyl)- ⁇ 5-[(4aS*,8aR*)-octahydro-1 (2H)-quinoline-1-carbonyl]-2,3- dihydro-indol-1-yl ⁇ -methanone: API-MS 408 [M+H]*.
• Example 32 The following compounds are prepared analogously to Example 32 by treating the title E compound in Example 32 with the appropriate /V-derivatizing agent such as an activated derivative of a carboxylic acid, a sulfonyl chloride, a chloroformate or an isocyanate.
• the appropriate /V-derivatizing agent such as an activated derivative of a carboxylic acid, a sulfonyl chloride, a chloroformate or an isocyanate.
• Benzoyl chloride (104 mg, 0.74 mmol) is added to a solution of the title B compound, [5-(3- aminophenyl)-furan-2-yl]-(4aS*,8aR * )-octahydro-1 (2H)-quinolin-1 -yl-methanone (200 mg, 0.61 mmol) and triethylamine (125 mg, 1.23 mmol) in dichloromethane (5 mL) at RT.
• Example 9 The following compounds are prepared analogously to Example 9 starting from 3-nitrobenzoyl chloride and decahydroquinoline, and treating the intermediate 3-amino- benzamide derivative analogous to the title B compound in Example 9 with the appropriate /V-derivatizing agent, such as an activated derivative of a carboxylic acid, a chloroformate, an isocyanate or a thioisocyanate.
• the appropriate /V-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate, an isocyanate or a thioisocyanate.
• (4aS*,8aS*)-Octahydro-quinoline-2,6-dione ethylene glycol ketal may be prepared according to methods described by Kozikowski et al., J. Org. Chem., Vol. 56, p. 4636 (1991) and Langlois et al., Bull. Soc. Chim. Fr., Vol. 130, p. 655 (1993).
• Example 9 The following compounds are prepared analogously to Example 9 starting from 4-nitrobenzoyl chloride and either trans or cis decahydroisoquinoline, and treating the intermediate 4-aminobenzamide * derivative with the appropriate ⁇ /-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• the appropriate ⁇ /-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• Example 9 The following compounds are prepared analogously to Example 9 starting from 2-chloro-4- nitrobenzoyl chloride and either trans or cis decahydroisoquinoline, and treating the intermediate 4-amino-2-chlorobenzamide derivative with the appropriate ⁇ /-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• the appropriate ⁇ /-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• Example 9 The following compounds are prepared analogously to Example 9 starting from 2-methoxy- 4-nitrobenzoyl chloride and either trans or cis decahydroisoquinoline, and treating the intermediate 4-amino-2-methoxybenzamide derivative with the appropriate /V-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• the appropriate /V-derivatizing agent such as an activated derivative of a carboxylic acid, a chloroformate or an isocyanate.
• reaction mixture is degassed, and then heated at 100°C for 2 h.
• Toluene is removed by rotary evaporation, and the residue is dissolved in 10 mL of THF.
• the solution is treated with with 1 N aqueous HCl (5 mL, 5.00 mmol) and stirred at RT for 2 h.
• the reaction is made basic with 1 N aqueous NaOH, and partitioned between EtOAc and water. The organic layer is washed with brine, dried over anhydrous Na 2 SO 4 , and concentrated.
• reaction mixture is degassed, and then heated at 90°C for 3 h.
• Toluene is removed by rotary evaporation, and the residue is dissolved in 15 mL of THF/water - 4/1.
• the solution is treated ith with 1 N aqueous HCl (10 mL, 10 mmol) and stirred at RT for 1 h.
• the reaction is quenched with 1 N aqueous NaOH, and partitioned between EtOAc and water. The organic layer is washed with brine, dried over anhydrous Na SO 4 , and concentrated.
• reaction mixture is acidified with 50 ⁇ L of TFA and purified by HPLC to afford ⁇ /-(2-benzyl-1-o ⁇ o-1 ,2,3,4-tetrahydro-isoquinolin-6-yl)-2,4-dichloro- benzamide- API-MS 425 [M+1] *.
• THF 222 ⁇ L, 0.220 mmol
• the vial is shaken at RT for 16 h and the solids are removed by filtration.

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