EP1000018A2 - Urokinase inhibitors - Google Patents

Urokinase inhibitors

Info

Publication number
EP1000018A2
EP1000018A2 EP98937082A EP98937082A EP1000018A2 EP 1000018 A2 EP1000018 A2 EP 1000018A2 EP 98937082 A EP98937082 A EP 98937082A EP 98937082 A EP98937082 A EP 98937082A EP 1000018 A2 EP1000018 A2 EP 1000018A2
Authority
EP
European Patent Office
Prior art keywords
salt
mono
trifluoroacetate
aminoiminomethyl
methoxy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98937082A
Other languages
German (de)
English (en)
French (fr)
Inventor
Andrew G. Geyer
William J. Mcclellan
Todd W. Rockway
Kent D. Stewart
Moshe Weitzberg
Michael D. Wendt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Abbott Laboratories
Original Assignee
Abbott Laboratories
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abbott Laboratories filed Critical Abbott Laboratories
Publication of EP1000018A2 publication Critical patent/EP1000018A2/en
Withdrawn legal-status Critical Current

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    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
    • A61P15/18—Feminine contraceptives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P19/00—Drugs for skeletal disorders
    • A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P27/00—Drugs for disorders of the senses
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    • C07C257/10—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines with replacement of the other oxygen atom of the carboxyl group by nitrogen atoms, e.g. amidines
    • C07C257/18—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines with replacement of the other oxygen atom of the carboxyl group by nitrogen atoms, e.g. amidines having carbon atoms of amidino groups bound to carbon atoms of six-membered aromatic rings
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    • C07C311/15—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings
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    • C07C323/56—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton containing six-membered aromatic rings
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    • C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/62—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to atoms of the carbocyclic ring
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    • C07C2602/08—One of the condensed rings being a six-membered aromatic ring the other ring being five-membered, e.g. indane

Definitions

  • the present invention provides naphthamidine compounds which inhibit the urokinase enzyme, pharmaceutical compositions containing these compounds and medical methods of treatment using these compounds.
  • Urokinase (urinary-type plasminogen activator or uPA (International Union of Biochemistry classification number: EC3.4.21.31)) is a proteolytic enzyme which is highly specific for a single peptide bond in plasminogen. Plasminogen activation (cleavage of this bond by the urokinase enzyme) results in formation of plasmin, a potent general protease.
  • urokinase as a key initiator of plasmin-mediated proteolytic degradation or modification of extracellular support structures such as extracellular matrix (ECM) and basement membrane (BM).
  • ECM extracellular matrix
  • BM basement membrane
  • Cells exist, move and interact with each other in tissues and organs within the physical framework provided by ECM and BM. Movement of cells within ECM or across BM requires local proteolytic degradation or modification of the structures and allows cells to invade adjacent areas previously unavailable prior to the degredation or modification.
  • Cellular invasiveness intiated by urokinase is central to a variety of normal and disease- state physiological processes (Blasi, F., Vassalli, J. D., and Dano, K. J. Cell Biol.
  • Such processes include, but are not limited to, angiogenesis (neovascularization), bone restructuring, embryo implantation in the uterus, infiltration of immune cells into inflammatory sites, ovulation, spermatogenesis, tissue remodelling during wound repair and organ differentiation, fibrosis, tumor invasion, metastatic
  • SUBSTtTUTE SHEET (RULE 26) spread of tumor cells from primary to secondary sites and tissue destruction in arthritis.
  • Amiloride for example, a known urokinase inhibitor of only moderate potency, has been reported to inhibit tumor metastasis in vivo (Kellen, J. A., Mirakian, A. Kolin, A. Anticancer Res. 8: 1373-1376, 1988) and angiogenesis/capillary network formation in vitro (Alliegro, M. C. and Glaser, B. M. J. Cell Biol. 115[3 Pt 2]: 402a, 1991).
  • Inhibitors of urokinase therefore, have mechanism-based anti-angiogenic, anti-arthritic, anti-inflammatory, anti-retinopathic (for angiogenesis-dependent retinopathies), contraceptive and tumoristatic uses.
  • the present invention provides a compound or a pharmaceutically acceptable salt, ester or prodrug thereof, of formula (I)
  • Z is selected from the group consisting of
  • A is selected from the group consisting of
  • B is selected from the group consisting of ( 1 ) hydrogen and (2) -LBRB and
  • C is selected from the group consisting of (1) hydrogen and (2) -L C Rc, with the proviso that at least one of A, B or C is other than hydrogen; and with the proviso that when A is other than hydrogen, at least one of B or C is other than hydrogen, wherein for A, B, and C, LA, LB and Lc are independently selected from the group consisting of
  • RA, R ⁇ an d Re are independently selected from the group consisting of
  • aryl (7) arylalkyl, wherein the alkyiene group is of one to six carbon atoms;
  • cycloalkylalkyl wherein the cycloalkyl group is of three to eight carbon atoms, and the alkyiene group is of one to ten carbon atoms; and wherein, at each occurence, R2 and R3 are independently selected from the group consisting of
  • cycloalkylalkyl wherein the cycloalkyl group is of three to eight carbon atoms, and the alkyiene group is of one to ten carbon atoms; and wherein, at each occurence, X is selected from the group consisting of
  • the present invention also relates to a method of inhibiting urokinase in a mammal, particularly humans, by administering a therapeutically effective amount of a composition comprising a compound of formula (I).
  • the present invention also relates to pharmaceutical compositions which comprise a therapeutically effective amount of a compound of formula (I) in combination with a pharmaceutically acceptable carrier.
  • alkyl represents a monovalent group derived from a straight or branched chain saturated hydrocarbon by the removal of a single hydrogen atom and is exemplified by methyl, ethyl, n- and iso-propyl, n-, sec-, iso- and tert-butyl, neopentyl and the like and may be optionally substituted with one, two.
  • substituents independently selected from the group consisting of (1) alkoxy of one to six carbon atoms; (2) alkylsulfinyl of one to six carbon atoms; (3) alkylsulfonyl of one to six carbon atoms; (4) amino; (5) aryl; (6) arylalkoxy, wherein the alkyiene group is of one to six carbon atoms; (7) aryloyl; (8) azido; (9) carboxaldehyde; (10) cycloalkyl of three to eight carbon atoms; (1 1) halo; (12) heterocycle; (13) (heterocycle)oxy; (14) (heterocycle)oyl; (15) hydroxy; (16) N-protected amino; (17) nitro; (18) oxo; (19) spiroalkyl of three to eight carbon atoms; (20) thioalkoxy of one to six carbon atoms; (21) -CO2R2; (22) -C(O)NR
  • alkanoyl represents an alkyl group, as defined herein, attached to the parent molecular group through a carbonyl group, as defined herein, and is exemplified by formyl, acetyl, propionyl, butanoyl and the like.
  • alkenyl represents monovalent straight or branched chain groups containing a carbon-carbon double bond derived from an alkene by the removal of one hydrogen atom and is exemplified by ethenyl, 1-propenyl, 2-propenyl, 2-methyl- l-propenyl, 1- butenyl, 2-butenyl and the like and may be optionally substituted with one, two, three or four substituents independently selected from the group consisting of (1) alkoxy of one to six carbon atoms; (2) alkylsulfinyl of one to six carbon atoms; (3) alkylsulfonyl of one to six carbon atoms; (4) amino; (5) aryl; (6) arylalkoxy, wherein the alkyiene group is of one to six carbon atoms; (7) aryloyl; (8) azido; (9) carboxaldehyde; (10) cycloalkyl of three to eight carbon atoms; (1
  • alkoxy represents an alkyl group attached to the parent molecular group through an oxygen atom.
  • alkoxyalkyl represents an alkyl group to which is attached an alkoxy group.
  • alkoxycarbonyl represents an ester group; i.e. an alkoxy group, attached to the parent molecular group through a carbonyl group and is exemplified by methoxycarbonyl, ethoxycarbonyl and the like.
  • alkyiene represents a saturated divalent hydrocarbon group derived from a straight or branched chain saturated hydrocarbon by the removal of two hydrogen atoms, and is exemplified by methylene, ethylene, isopropylene and the like.
  • alkylsulfinyl represents an alkyl group attached to the parent molecular group through an -S(O)- group.
  • alkylsulfinylalkyl represents an alkyl group, as defined herein, substituted by a sulfinyl group.
  • alkylsulfonyl represents an alkyl group attached to the parent molecular group through an -SO 2 - group.
  • alkylsulfonylalkyl represents an alkyl group, as defined herein, substituted by a sulfonyl group.
  • alkynyl represents monovalent straight or branched chain groups of two to six carbon atoms containing a carbon-carbon triple bond derived from an alkyne by the removal of one hydrogen atom and is exemplified by ethynyl, 1-propynyl, and the like and may be optionally substituted with one, two, three or four substituents independently selected from the group consisting of (1) alkoxy of one to six carbon atoms; (2) alkylsulfinyl of one to six carbon atoms; (3) alkylsulfonyl of one to six carbon atoms; (4) amino; (5) aryl; (6) arylalkoxy, wherein the alkyiene group is of one to six carbon atoms; (7) aryloyl; (8) azido; (9) carboxaldehyde; (10) cycloalkyl of three to eight carbon atoms; (11) halo; (12) heterocycle; (13) (hetero
  • amino represents an -NH 2 group.
  • aminoalkyl represents an alkyl group, as defined herein, substituted by an amino group.
  • aryl represents a mono- or bicyclic carbocyclic ring system having one or two aromatic rings and is exemplified by phenyl, naphthyl, 1,2-dihydronaphthyl, 1,2,3,4-tetrahydronaphthyl, fluorenyl, indanyl, indenyl and the like and may be optionally substituted with one, two, three, four or five substituents independently selected from the group consisting of (1) alkanoyl of one to six carbon atoms; (2) alkyl of one to six carbon atoms; (3) alkoxy of one to six carbon atoms; (4) alkoxyalkyl, wherein the alkyl and alkyiene goups are independently of one to six carbon atoms; (5) alkylsulfinyl of one to six carbon atoms; (6) alkylsulfinylalkyl, wherein the alkyl and alkyiene groups are independently of one to six carbon
  • arylalkyl represents an aryl group attached to the parent molecular group through an alkyl group.
  • arylalkoxy represents an arylalkyl group attached to the parent molecular group through an oxygen atom.
  • aryloxy represents an aryl group which is attached to the parent molecular group through an oxygen atom.
  • aryloyl represents an aryl group which is attached to the parent molecular group through a carbonyl group.
  • azidoalkyl represents an alkyl group, as defined herein, substituted by an azido group.
  • carboxydehyde represents a -CHO group.
  • (carboxaldehyde)alkyl represents an alkyl group, as defined herein, substituted by a carboxaldehyde group.
  • Carboxy represents a -CO 2 H group.
  • Carboxyalkyl represents an alkyl group, as defined herein, substituted by a carboxy group.
  • cycloalkyl represents a monovalent saturated cyclic hydrocarbon group and is exemplified by cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, bicyclo[2.2. l]heptyl and the like.
  • the cycloalkyl groups of this invention can be optionally substituted with (1) alkanoyl of one to six carbon atoms; (2) alkyl of one to six carbon atoms: (3) alkoxy of one to six carbon atoms; (4) alkoxyalkyl, wherein the alkyl and alkyiene goups are independently of one to six carbon atoms; (5) alkylsulfinyl of one to six carbon atoms; (6) alkylsulfinylalkyl, wherein the alkyl and alkyiene groups are independently of one to six carbon atoms; (7) alkylsulfonyl of one to six carbon atoms; (8) alkylsulfonylalkyl, wherein the alkyl and alkyiene groups are independently of one to six carbon atoms; (9) aryl; (10) arylalkyl, wherein the alkyl group is of one to six carbon atoms; (11) amino; (12) aminoalkyl of one to six carbon
  • cycloalkenyl represents a monovalent cyclic hydrocarbon having at least one carbon-carbon double bond.
  • the cycloalkenyl groups of this invention can be optionally substituted with (1) alkanoyl of one to six carbon atoms; (2) alkyl of one to six carbon atoms; (3) alkoxy of one to six carbon atoms; (4) alkoxyalkyl, wherein the alkyl and alkyiene goups are independently of one to six carbon atoms; (5) alkylsulfinyl of one to six carbon atoms; (6) alkylsulfinylalkyl, wherein the alkyl and alkyiene groups are independently of one to six carbon atoms; (7) alkylsulfonyl of one to six carbon atoms; (8) alkylsulfonylalkyl, wherein the alkyl and alkyiene groups are independently of one to six carbon atoms; (9) aryl: (10) arylalkyl
  • cycloalkoxy represents a cycloalkyl group, as defined herein, attached to the parent molecular group through an oxygen atom.
  • cycloalkylalkoxy represents an alkoxy group, as defined herein, to which is attached a cycloalkyl group.
  • cycloalkylalkyl represents a cycloalkyl group, as defined herein, attached to the parent molecular group through an alkyl group.
  • haloalkyl represents an alkyl group, as defined herein, substituted by one, two, or three halogen atoms and is exemplified by chloromethyl, bromoethyl, trifluoromethyl and the like.
  • halogen represents F, Cl, Br and I.
  • heterocycle represents a 5-, 6- or 7-membered ring containing one, two or three heteroatoms independently selected from the group consisting of nitrogen, oxygen and sulfur.
  • the 5-membered ring has zero to two double bonds and the 6- and 7-membered rings have zero to three double bonds.
  • heterocycle also includes bicyclic, tricyclic and tetracyclic groups in which any of the above heterocyclic rings is fused to one or two rings independently selected from the group consisting of an aryl ring, a cyclohexane ring, a cyclohexene ring, a cyclopentane ring, a cyclopentene ring and another monocyclic heterocyclic ring such as indolyl, quinolyl, isoquinolyl, tetrahydroquinolyl, benzofuryl, benzothienyl and the like.
  • Heterocyclics include pyrrolyl, pyrrolinyl, pyrrolidinyl, pyrazolyl, pyrazolinyl, pyrazolidinyl, imidazolyl, imidazolinyl, imidazolidinyl, pyridyl, piperidinyl, homopiperidinyl, pyrazinyl, piperazinyl, pyrimidinyl, pyridazinyl, oxazolyl, oxazolidinyl, isoxazolyl, isoxazolidinyl, morpholinyl, thiomorpholinyl, thiazolyl, thiazolidinyl, isothiazolyl, isothiazolidinyl, indolyl, quinolinyl, isoquinolinyl, benzimidazolyl, benzothiazolyl, benzoxazolyl, furyl, thienyl, thiazolidiny
  • F is selected from the group consisting of -CH 2 -, -CH 2 O- and -O-
  • G is selected from the group consisting of -C(O)- and -(C(R')(R"))v ->
  • R' and R" are independently selected from the group consisting of hydrogen or alkyl of one to four carbon atoms
  • v is one to three and includes groups such as 1,3-benzodioxolyl, 1 ,4-benzodioxanyl and the like.
  • any of the heterocycle groups mentioned herein may be optionally substituted with one, two, three, four or five substituents independently selected from the group consisting of (1) alkanoyl of one to six carbon atoms; (2) alkyl of one to six carbon atoms; (3) alkoxy of one to six carbon atoms; (4) alkoxyalkyl, wherein the alkyl and alkyiene goups are independently of one to six carbon atoms; (5) alkylsulfinyl of one to six carbon atoms; (6) alkylsulfinylalkyl, wherein the alkyl and alkyiene groups are independently of one to six carbon atoms; (7) alkylsulfonyl of one to six carbon atoms; (8) alkylsulfonylalkyl, wherein the alkyl and alkyiene groups are independently of one to six carbon atoms; (9) aryl; (10) arylalkyl, wherein the alkyl group is of one to six carbon atom
  • (heterocycle)oxy represents a heterocycle group, as defined herein, attached to the parent molecular group through oxygen.
  • (heterocycle)oyl represents a heterocycle group, as defined herein, attached to the parent molecular group through a carbonyl group.
  • hydroxy as used herein, represents an -OH group.
  • hydroxyalkyi represents an alkyl group, as defined herein, substituted by one to three hydroxy groups, with the proviso that no more than one hydroxy group may be attached to a single carbon atom of the alkyl group and is exemplified by hydroxymethyl, dihydroxypropyl and the like.
  • N-protected amino refers to an amino group, as defined herein, to which is attached an N-protecting or nitrogen-protecting group, as defined herein.
  • N-protected aminoalkyl refers to an alkyl group, as defined herein, which is substituted by an N-protecting or nitrogen-protecting group, as defined herein.
  • nitro represents an -NO 2 group.
  • nitroalkyl represents an alkyl group substituted by an -NO2 group.
  • N-protecting group or “nitrogen protecting group” as used herein, represent those groups intended to protect an amino group against undersirable reactions during synthetic procedures. Commonly used N-protecting groups are disclosed in Greene, “Protective Groups In Organic Synthesis,” (John Wiley & Sons, New York (1981)), which is incorporated herein by reference.
  • N-protecting groups comprise acyl groups such as formyl, acetyl, propionyl, pivaloyl, t-butylacetyl, 2-chloroacetyl, 2-bromoacetyl, trifluoroacetyl, trichloroacetyl, phthalyl, o-nitrophenoxyacetyl, ⁇ -chlorobutyryl, benzoyl, 4-chlorobenzoyl, 4-bromobenzoyl, 4- nitrobenzoyl and chiral auxiliaries such as protected or unprotected D, L or D, L-amino acids such as alanine, leucine, phenylalanine and the like; sulfonyl groups such as benzenesulfonyl, p-toluenesulfonyl and the like; carbamate forming groups such as benzyloxycarbonyl, p- chlorobenzyloxycarbonyl,
  • Preferred N-protecting groups are formyl, acetyl, benzoyl, pivaloyl, t-butylacetyl, alanyl, phenylsulfonyl, benzyl, t-butyloxycarbonyl (Boc) and benzyloxycarbonyl (Cbz).
  • perfluoroalkyl represents an alkyl group, as defined herein, wherein each hydrogen radical bound to the alkyl group has been replaced by a fluoride radical. Perfluoroalkyl groups are exemplified by trifluoromethyl, pentafluoroethyl, and the like.
  • perfluoroalkoxy refers to a perfluoroalkyl group, as defined herein, attached to the parent molecular group through an oxygen atom.
  • salts which are, within the scope of sound medical judgement, suitable for use in contact with the tissues of humans and lower animals without undue toxicity, irritation, allergic response and the like and are commensurate with a reasonable benefit/risk ratio.
  • Pharmaceutically acceptable salts are well known in the art. For example, S. M Berge, et al. describe pharmaceutically acceptable salts in detail in J. Pharmaceutical Sciences, 1977, 66: 1-19.
  • the salts can be prepared in situ during the final isolation and purification of the compounds of the invention or separately by reacting the free base group with a suitable organic acid.
  • Representative acid addition salts include acetate, adipate, alginate, ascorbate, aspartate, benzenesulfonate, benzoate, bisulfate, borate, butyrate, camphorate, camphersulfonate, citrate, cyclopentanepropionate, digluconate, dodecylsulfate, ethanesulfonate.
  • alkali or alkaline earth metal salts include sodium, lithium, potassium, calcium, magnesium and the like, as well as nontoxic ammonium, quaternary ammonium, and amine cations, including, but not limited to ammonium, tetramethylammonium, tetraethylammonium, methylamine, dimethylamine, trimethylamine, triethylamine, ethylamine and the like.
  • pharmaceutically acceptable ester represents esters which hydrolyze in vivo and include those that break down readily in the human body to leave the parent compound or a salt thereof.
  • Suitable ester groups include, for example, those derived from pharmaceutically acceptable aliphatic carboxylic acids, particularly alkanoic, alkenoic, cycloalkanoic and alkanedioic acids, in which each alkyl or alkenyl group preferably has not more than 6 carbon atoms.
  • Examples of particular esters includes formates, acetates, propionates, butyates, acrylates and ethylsuccinates.
  • prodrugs as used herein, represents those prodrugs of the compounds of the present invention which are, within the scope of sound medical judgement, suitable for use in contact with with the tissues of humans and lower animals with undue toxicity, irritation, allergic response, and the like, commensurate with a reasonable benefit/risk ratio, and effective for their intended use, as well as the zwitterionic forms, where possible, of the compounds of the invention.
  • prodrug represents compounds which are rapidly transformed in vivo to the parent compound of the above formula, for example, by hydrolysis in blood.
  • a thorough discussion is provided in T. Higuchi and V. Stella, Pro-drugs as Novel Delivery Systems, Vol. 14 of the A.C.S. Symposium Series, Edward B. Roche, ed., Bioreversible Carriers in Drug Design, American Pharmaceutical Association and Pergamon Press, 1987, and Judkins, et al.Synthetic Communications, 26(23), 4351-4367 (1996), each of which is incorporated herein by reference.
  • spiroalkyl represents an alkyiene diradical, both ends of which are bonded to the same carbon atom of the parent group to form a spirocyclic group.
  • sulfonyl represents an -SO2-group.
  • thioalkoxy represents represents an alkyl group attached to the parent molecular group through a sulfur atom.
  • thioalkoxyalkyl represents an alkyl group substituted by a thioalkoxy group.
  • Asymmetric or chiral centers may exist in the compounds of the present invention.
  • the present invention contemplates the various stereoisomers and mixtures thereof.
  • Individual stereoisomers of compounds of the present invention are prepared synthetically from commercially available starting materials which contain asymmetric or chiral centers or by preparation of mixtures of enantiomeric compounds followed by resolution well-known to those of ordinary skill in the art. These methods of resolution are exemplified by (1) attachment of a racemic mixture of enantiomers, designated ( ⁇ ), to a chiral auxiliary, separation of the resulting diastereomers by recrystallization or chromatography and liberation of the optically pure product from the auxiliary or (2) direct separation of the mixture of optical enantiomers on chiral chromatographic columns.
  • Enantiomers are designated herein by the symbols "R” or "S,” depending on the configuration of subsitiuents around the chiral carbon atom.
  • Geometric isomers may also exist in the compounds of the present invention.
  • the present invention contemplates the various geometric isomers and mixtures thereof resulting from the arrangement of substituents around a carbon-carbon double bond and designates such isomers as of the Z or E configuration, wherein the term "Z” represents substituents on the same side of the carbon-carbon double bond and the term “E” represents substituents on opposite sides of the carbon-carbon double bond.
  • Preferred Embodiments Preferred compounds of the present invention have formula (I), wherein
  • a and C are hydrogen and B is -LBRB, wherein
  • -LB- is -O-
  • RB is alkyl of two to six carbon atoms, and wherein the alkyl group is substituted.
  • More preferred embodiments of the present invention have formula (I), wherein A is -LARA an d
  • B and C are hydrogen, wherein -LA- is selected from the group consisting of
  • RA is selected from the group consisting of
  • heterocycle wherein the heterocycle is selected from the group consisting of ( l) furanyl,
  • R2 is selected from the group consisting of (1) hydrogen and (2) alkyl of one to six carbon atoms; and wherein, at each occurence, m is two, n is one,
  • R l and R3 are hydrogen, W and X are O, aryl is phenyl, the alkyl group and the aryl group are optionally substituted and the alkenyl group is substituted.
  • Still more preferred compounds of the present invention have formula (I), wherein
  • a and B are hydrogen; C is -L C Rc;
  • -Lc- is selected from the group consisting of ( 1) a covalent bond,
  • Rc is selected from the group consisting of
  • heterocycle wherein the heterocycle is selected from the group consisting of
  • X is O; and wherein, at each occurence,
  • R l and R2 are H, aryl is phenyl and the alkyl is optionally substituted.
  • Still more preferred compounds of the present invention have formula (I) wherein
  • A is -LARA
  • C is hydrogen, -LA- and -LB- are -O-, and
  • RA and R ⁇ are alkyl of one to six carbon atoms.
  • Still more preferred compounds of the present invention have formula (I) wherein A is -LARA, B is -LBRB, C is -LcRc
  • -LA-, -L ⁇ -, and -Lc- are -O- and RA, R ⁇ , and Re are alkyl of one to six carbon atoms.
  • Still more preferred compounds of the present invention have formula (I) wherein A is hydrogen
  • C is -LcRc; -LB- is -O-;
  • -Lc- is selected from the group consisting of
  • R ⁇ is selected from the group consisting of
  • G is -(C(R')(R")) V -, R' and R" are hydrogen and v is one; and wherein, at each occurence, aryl is phenyl and alkyl, aryl and heterocycle are optionally substituted.
  • N-f7-(aminoiminomethyl)-l-naphthalenyl)acetamide mono(trifluoroacetate) salt methyl [7-(aminoiminomethyl)-l-naphthalenyl)carbamate mono(trifluoroacetate) salt; methyl 3-[[7-(aminoiminomethyl)--l-naphthalenylJaminol-3-oxopropanoate mono(trifluoroacetate) salt;
  • N-phenyl-6-aminoiminomethyl-2-naphthalenecarboxamide mono(methanesulfonate) salt 4-[(6-aminoiminomethyl-2-naphthalenyl)oxy]-N-methylbenzeneacetamide mono(trifluoroacetate) salt;
  • 2-naphthalenecarboxamide mono(trifluoroacetate) salt
  • Urokinase inhibition The efficacy of the compounds of this invention as urokinase inhibitors was determined by measuring the inhibition of the urokinase enzyme Abbokinase (Abbott Laboratories, Abbott Park, IL) on substrate S-2444, of formula pyroGlu-Arg-pNA-HCl (DiaPharma Group, Inc. Distributor of Chromogenix) at 200 ⁇ M.
  • Abbokinase Abbott Laboratories, Abbott Park, IL
  • pyroGlu-Arg-pNA-HCl DiaPharma Group, Inc. Distributor of Chromogenix
  • the assay was performed in a 96 well polystyrene, flat bottom plate in a 50 mM Tris/0.15 M NaCl + 0.5 % Pluronic F-68 (Sigma P-5556), pH 7.4 (with HC1) buffer.
  • the compounds of this invention 10 mM in DMSO, were diluted with DMSO to eight half log concentrations, for example: 1200 ⁇ M, 400 ⁇ M, 120 ⁇ M, 40 ⁇ M, 12 ⁇ M, 4 ⁇ M, 1 ⁇ M and 0.4 ⁇ M. Four concentrations were chosen, then 5 ⁇ l of each were diluted to a total assay volume of 200 ⁇ l.
  • the final compound concentrations in the assay were 30 ⁇ M, 10 ⁇ M, 3 ⁇ M, 1 ⁇ M, 0.3 ⁇ M, 0.1 ⁇ M, 0.03 ⁇ M and 0.01 ⁇ M, respectively.
  • the substrate S-2444 was used at 200 ⁇ M in the assay.
  • Several vials were reconstituted as directed on the vial, aliquoted and stored frozen.
  • the enzyme was further diluted in assay buffer and 10 ⁇ l was used in the assay. Enzyme concentration in the assay was 2-3 nM.
  • the assay was performed as follows: 175 ⁇ L of buffer was pipetted into the polystyrene plate, 5 ⁇ L solution of a compound of this invention in DMSO was added, the mixture was vortexed, 10 ⁇ L of enzyme in buffer was added, the mixture was vortexed, 10 ⁇ L of substrate in water was added, the mixture was vortexed, and the plate was placed in a Spectromax ® (Molecular Devices Corporation, Sunnyvale, Ca) plate reader to follow the course of the reaction for 15 min at 405 nm.
  • the Spectromax ® calculated the reaction rates which were used to calculate percent inhibition of the compounds of this invention versus the reaction rate of the enzyme in the absence of any inhibitor.
  • the Ki 's of the inhibitors were calculated from the percent inhibition and previously established Km.
  • the compounds of this invention inhibit urokinase as shown by the data for representative examples in Table 1.
  • T e present invention also provides pharmaceutical compositions which comprise compounds of the present invention formulated together with one or more non-toxic pharmaceutically acceptable carriers.
  • the pharmaceutical compositions may be specially formulated for oral administration in solid or liquid form, for parenteral injection or for rectal administration.
  • compositions of this invention can be administered to humans and other animals orally, rectally, parenterally , intracisternally, intravaginally. intraperitoneally or topically (such as powders, ointments or drops), bucally or as an oral or nasal spray.
  • parenteral administration refers to modes of administration which include intravenous, intramuscular, intraperitoneal, intrasternal, subcutaneous and intraarticular injection and infusion.
  • compositions of this invention for parenteral injection comprise pharmaceutically acceptable sterile aqueous or nonaqueous solutions, dispersions, suspensions or emulsions as well as sterile powders for reconstitution into sterile injectable solutions or dispersions just prior to use.
  • suitable aqueous and nonaqueous carriers, diluents, solvents or vehicles include water, ethanol, polyols (such as glycerol, propylene glycol, polyethylene glycol and the like), and suitable mixtures thereof, vegetable oils (such as olive oil) and injectable organic esters such as ethyl oleate.
  • Proper fluidity can be maintained, for example, by the use of coating materials such as lecithin, by the maintenance of the required particle size in the case of dispersions and by the use of surfactants.
  • compositions may also contain adjuvants such as preservative, wetting agents, emulsifying agents and dispersing agents. Prevention of the action of microorganisms may be ensured by the inclusion of various antibacterial and antifungal agents, for example, paraben, chlorobutanol, phenol sorbic acid and the like. It may also be desirable to include isotonic agents such as sugars, sodium chloride and the like. Prolonged absorption of the injectable pharmaceutical form may be brought about by the inclusion of agents (such as aluminum monostearate and gelatin) which delay absorption .
  • adjuvants such as preservative, wetting agents, emulsifying agents and dispersing agents.
  • Injectable depot forms are made by forming microencapsule matrices of the drug in biodegradable polymers such as polylactide-polyglycolide.
  • the rate of drug release can be controlled.
  • biodegradable polymers include poly(orthoesters) and poly(anhydrides).
  • Depot injectable formulations are also prepared by entrapping the drug in liposomes or microemulsions which are compatible with body tissues.
  • the injectable formulations can be sterilized, for example, by filtration through a bacterial- retaining filter or by incorporating sterilizing agents in the form of sterile solid compositions which can be dissolved or dispersed in sterile water or other sterile injectable media just prior to use.
  • Solid dosage forms for oral administration include capsules, tablets, pills, powders and granules.
  • the active compound is mixed with at least one inert, pharmaceutically acceptable excipient or carrier such as sodium citrate or dicalcium phosphate and/or a) fillers or extenders such as starches, lactose, sucrose, glucose, mannitol and silicic acid; b) binders such as carboxymethylcellulose, alginates, gelatin, polyvinylpyrrolidone, sucrose and acacia; c) humectants such as glycerol; d) disintegrating agents such as agar-agar, calcium carbonate, potato or tapioca starch, alginic acid, certain silicates and sodium carbonate; e) solution retarding agents such as paraffin; f) absorption accelerators such as quaternary ammonium compounds; g) wetting agents such as cetyl alcohol and glycerol monostearate; h) absorbents such as kaolin and bentonite clay and i) lubricants such as
  • the dosage form may also comprise buffering agents.
  • Solid compositions of a similar type may also be employed as fillers in soft and hard-filled gelatin capsules using such excipients as lactose or milk sugar as well as high molecular weight polyethylene glycols and the like.
  • the solid dosage forms of tablets, dragees, capsules, pills, and granules can be prepared with coatings and shells such as enteric coatings and other coatings well known in the pharmaceutical formulating art. They may optionally contain opacifying agents and may also be of a composition such that they release the active ingredient(s) only, or preferentially, in a certain part of the intestinal tract, optionally or in delayed fashion. Examples of embedding compositions which can be used include polymeric substances and waxes.
  • the active compounds may also be in micro-encapsulated form, if appropriate, with one or more of the above-mentioned excipients.
  • Liquid dosage forms for oral administration include pharmaceutically acceptable emulsions, solutions, suspensions, syrups and elixirs.
  • the liquid dosage forms may contain inert diluents commonly used in the art such as water or other solvents, solubilizing agents and emulsifiers such as ethyl alcohol, isopropyl alcohol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, propylene glycol, 1 ,3-butylene glycol, dimethyl formamide, oils (in particular, cottonseed, groundnut, corn, germ, olive, castor, and sesame oils), glycerol, tetrahydrofurfuryl alcohol, polyethylene glycols and fatty acid esters of sorbitan and mixtures thereof.
  • inert diluents commonly used in the art such as water or other solvents, solubilizing agents and emulsifiers such as ethyl alcohol
  • the oral compositions may also include adjuvants such as wetting agents, emulsifying and suspending agents, sweetening, flavoring and perfuming agents.
  • Suspensions in addition to the active compounds, may contain suspending agents such as ethoxylated isostearyl alcohols, polyoxyethylene sorbitol and sorbitan esters, microcrystaUine cellulose, aluminum metahydroxide, bentonite, agar-agar, and tragacanth and mixtures thereof.
  • compositions for rectal or vaginal administration are preferably suppositories which can be prepared by mixing the compounds of this invention with suitable non-irritating excipients or carriers such as cocoa butter, polyethylene glycol or a suppository wax which are solid at room temperature but liquid at body temperature and therefore melt in the rectum or vaginal cavity and release the active compound.
  • suitable non-irritating excipients or carriers such as cocoa butter, polyethylene glycol or a suppository wax which are solid at room temperature but liquid at body temperature and therefore melt in the rectum or vaginal cavity and release the active compound.
  • Liposomes are generally derived from phospholipids or other lipid substances. Liposomes are formed by mono- or multi-lamellar hydrated liquid crystals which are dispersed in an aqueous medium. Any non-toxic, physiologically acceptable and metabolizable lipid capable of forming liposomes can be used.
  • the present compositions in liposome form can contain, in addition to a compound of the present invention, stabilizers, preservatives, excipients and the like.
  • the preferred lipids are the phospholipids and the phosphatidyl cholines (lecithins), both natural and synthetic. Methods to form liposomes are known in the art, for example, Prescott, Ed., Methods in Cell Biology, Volume XIV, Academic Press, New York, N.Y. (1976), p. 33 et seq.
  • Dosage forms for topical administration of a compound of this invention include powders, sprays, ointments and inhalants.
  • the active compound is mixed under sterile conditions with a pharmaceutically acceptable carrier and any needed preservatives, buffers or propellants which may be required.
  • Opthalmic formulations, eye ointments, powders and solutions are also contemplated as being within the scope of this invention.
  • Actual dosage levels of active ingredients in the pharmaceutical compositions of this invention may be varied so as to obtain an amount of the active compound(s) that is effective to achieve the desired therapeutic response for a particular patient, compositions, and mode of administration.
  • the selected dosage level will depend upon the activity of the particular compound, the route of administration, the severity of the condition being treated and the condition and prior medical history of the patient being treated. However, it is within the skill of the art to start doses of the compound at levels lower than required for to achieve the desired therapeutic effect and to gradually increase the dosage until the desired effect is achieved.
  • dosage levels of about 1 to about 50, more preferably of about 5 to about 20 mg, of active compound per kilogram of body weight per day when administered orally to a mammalian patient.
  • the effective daily dose may be divided into multiple doses for purposes of administration, e.g. two to four separate doses per day.
  • THF for tetrahydrofuran
  • DMF for N,N-dimethylformamide
  • OEt2 for diethyl ether
  • EDC for l-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride
  • NMM for N-methylmorpholine
  • LDA lithium diisopropylamide
  • TFA for trifluoroacetic acid
  • DMSO for dimethylsulfoxide
  • DMAP for 4-(N,N-dimethylamino)pyridine
  • HATU for
  • Starting materials, reagents and solvents were purchased from Aldrich Chemical Company (Milwaukee, Wi).
  • naphthalenecarbonitriles 4, 5 and 6 were prepared by treating 3- cyanopropionaldehyde diethyl acetal 2 with a strong base such as lithium diisopropylamide then treating the resulting anion with the appropriately substituted benzaldehyde 1 followed by cyclization and aromatization of the corresponding cyanohydrins 3_ with a Lewis acid such as sulfuric acid.
  • a strong base such as lithium diisopropylamide
  • A, B and C are hydrogen and -L A R A , -L B R B , -L C R C
  • R A , R B and R c are alkyl
  • A is hydrogen; B and C are OCH 3
  • A, B and C are OCH 3
  • a and B are OCH 3 , and C is hydrogen
  • BBr3, preferably AICI3, provided 7.
  • 7 was treated with a base such as potassium carbonate, sodium hydride or cesium fluoride followed by Rc-X, wherein X is a leaving group, to provide 8 (-Lc- is -0-).
  • Rc-X a base
  • X is a leaving group
  • 8 (-Lc- is -0-)
  • treatment of 1 with trifluoromethanesulfonic anhydride or 1,1,1- trifluoro-N-phenyl-N-[(trifluoromethyl)sulfonyl]methanesulfonamide provided , which may
  • a palladium catalyst preferably Pd(IT)Cl 2 (dba) or Pd(Ph3P) 4
  • base preferably cesium fluoride or potassium carbonate
  • 9 may be treated with RC-NR 1 R 2 , wherein Re is unsubstituted or substituted aryl or heterocycle, and at least one of R ⁇ or R 2 is hydrogen, in the presence of a strong base, such as potassium t-butoxide, and a catalyst, such as Pd(II)Cl 2 (dba), to provide 1 1.
  • R c is unsubstituted or substituted aryl or heterocycle 10: -L c - is a covalent bond 11: -L c - is -NR r
  • -Lc- is -C(0)NR r or -OC(O)NR r and R is unsubstituted or substituted alkyl, alkeneyl, hererocycle or aryl
  • Lewis acid such as AICI3 or BBr3, preferably AICI3, was followed by reprotection of phenol 1 by alkylation with Bn-X, wherein X is Cl, Br or I, in the presence of a base such as potassium carbonate, sodium hydride or cesium fluoride.
  • 20 was prepared by deprotonation of this intermediate with a strong, non-nucleophilic base such as lithium, sodium or potassium diisopropylamide or alkoxide followed by treatment with an alkyl formate, preferably ethyl formate to provide enol 20.
  • Treatment of 20 with hydroxylamine provided isoxazole 21 which may be opened with lithium, sodium or potassium alkoxide, preferably sodium methoxide, to provide 22.
  • 24 was alkylated by treatment with a base such as potassium carbonate, sodium hydride or cesium fluoride followed by treatment Rc-X-
  • A is -L A R A
  • C is -L C R C , wherein C is -L c Rc, wherein L c is -O- and
  • -L A - and -L - are -O- and R A is alkyl
  • R c is arylalkyl
  • A is -L A R A , wherein
  • 29 may be coupled to primary or secondary amines, and 33 may be coupled to carboxylic acids to form amides 35 and 36, respectively.
  • the amines and carboxylic acids are coupled using a dehydrating agent such as DCC, EDC or HATU.
  • -L c - is -C(X)J R ⁇ or -OC(O)NR and R c is unsubstituted or substituted alkyl, alkeneyl, hererocycle or aryl; X is O
  • conversion of the nitrile intermediates to the carboximidamide urokinase inhibitors 4 was achieved by three methods: (1) treatment of the intermediate carbonitriles with a non-nucleophilic base such as lithium, sodium or potassium bis(trimethylsilylamide), preferably lithium bis(trimethylsilylamide) followed by hydrolysis with acid, preferably HCl; (2) treatment of the nitrile with acid, preferably HCl, followed by treatment with ammonium acetate; and (3) treatment of the nitrile with H 2 S followed by treatment with ammonia gas in methanol.
  • the H 2 S/NH /methanol method is preferred.
  • the compounds of the invention were precipitated as hydrochloride or methane sulfonate salts or were purified by reversed phase medium pressure chromatography to form mono- or bis- trifluoroacetate salts.
  • Example 1A 8-Dimethoxy-2-naphthalenecarbonitrile
  • a solution of freshly prepared LDA in THF at -78 °C was treated dropwise with 3- cyanopropionaldehyde diethyl acetal (3.0 g) in THF (5 mL), stirred for 1 h, treated with 2,3- dimethoxybenzaldehyde (3.2 g) in THF (5 mL), warmed to room temperature over 90 min, treated with water (40 mL), concentrated and extracted with chloroform. The organic layer was washed with brine, dried (MgSO 4 ) and concentrated to provide 1.5 g of a yellow oil. MS (DCI/NH3) m/e 341 (M+H 2 O) + .
  • Example 1 A solution of Example 1 (200 mg) in THF (5 mL) at 0 °C was treated with lithium bis(trimethylsilylamide) (1.0 M in hexane, 1.1 mL), stirred for 18 h at room temperature, treated with 10% HCl (10 mL), stirred for 24 h at room temperature, concentrated and purified by medium pressure liquid chromatography on a 30 cm x 2 cm C- 18 column (40 micron, J.T Baker) with UV detection at 250 nM with solvent mixtures in a gradient ranging from 90%A (0.1 % aq TFA)/10%B (methanol) to 10%A/90%B over 160 min at a flow rate of 5 mL/min (fractions were collected every 2 min for 100 min and analyzed by TLC ( 10: 1 : 1 acetonitrile/water/acetic acid) for product) to provide 100 mg of the title compound.
  • lithium bis(trimethylsilylamide) 1.0 M in hexane, 1.1 m
  • Example 3 A 7-dimethoxy-2-naphthalenecarbonitrile
  • the title compound was prepared as described in Example 1 A but substituting 3,4- dimethoxybenzaldehyde for 2, 3-dimethoxy-benzaldehyde to provide 1.3 g of the title compound.
  • MS (DCI/NH3) m/e 231 (M+H 2 O)+.
  • Example 1 A 7-Methoxy-8-hvdroxynaphthalene-2-carbonitrile
  • MS (DCI/NH3) m/e 217 (M+H 2 O)+.
  • Example 4C 2-IY7- Aminoiminomethyl-2-methoxy- 1 -naphthalenvDoxylacetamide mono(trifluoroacetate) salt
  • Example 4B 100 mg in methanol (5 mL) at 0 °C was treated with HCl(g), stirred for
  • Example 4A 600 mg, CS2CO3 (500 mg), t-butyl bromoacetate (120 mg) and tetrabutylammonium iodide (25 mg) in DMF (15 mL) was stirred for 18 h at room temperature, diluted with water (20 mL) and extracted with ethyl acetate. The organic extract was washed with saturated NaHC03 and brine, dried (Na2SO4) and concentrated to provide 800 mg of the title compound as a clear oil. MS (DCI/NH3) m e 331 (M+H2 ⁇ ) + .
  • Example 6A (100 mg) in methanol (30 mL) at 0 C was treated with HCl(g), stirred for 18 h at room temperature and concentrated to provide an off-white solid. The solid was treated with ammonium acetate (100 mg) in methanol (10 mL), heated at 40 °C for 15 h, cooled and concentrated to a yellow solid which was purified as described in Example IB to provide 10 mg of the title compound.
  • Example 7 r(7-aminoiminomethyl-2-methoxy-l -naphthalenvDoxylacetic acid mono(trifluoroacetate) salt
  • the solid was dissolved in IN HCl (20 mL), stirred 48 h at room temperature and filtered. The resulting white solid was purified as described in Example IB to provide 20 mg of the title compound.
  • Example 8 N-r4- ( Aminomethyl ) phenyll-6-aminoiminomethyl-2-naphthalenecarboxamide bis(trifluoroacetate) salt.
  • Example 8A 6-Naphthalenedicarboxylic acid, monomethyl ester
  • a suspension of dimethyl 2, 6-naphthalenedicarboxylic acid (39.6 g, 162 mmole) in dioxane (1.20 L) was heated at 70-80 °C until all solid dissolved, slowly treated with 1 equivalent of KOH in methanol, stirred for additional 30 minutes at 70 °C, cooled to room temperature, filtered and washed with dioxane and diethyl ether, dissolved in water, treated with 1 N HCl until the aqueous layer was acidic to pH paper, filtered, washed with water and dried under vacuum to provide 33 g of a white powder.
  • MS DCI/NH3 m/e 231 (M+H) + .
  • Example 8B 6-(Chlorocarbonyl)-2-naphthalenecarboxylic acid, methyl ester
  • a suspension of Example 8 A (15 g, 65 mmole) in toluene (190 mL) was treated with thionyl chloride (20 mL, 276 mmole) then DMAP (15 mg), heated at reflux for 1 h and heated at 85 °C for an additional 35 min.
  • the condenser was replaced with a distilling head and 60 mL of solvent was removed.
  • the thick precipitate which formed while cooling to room temperature was triturated with hexane and filtered to provide 14.8 g of white solid.
  • MS (DCI/NH3) m/e 249 (M+H) +
  • Example 8C 6-(Aminocarbonyl)-2-naphthalenecarboxylic acid, methyl ester
  • a solution of Example 8B (15 g, 60.3 mmole) in methylene chloride (400 mL) at room temperature was treated with dry ammonia gas to precipitate the product. The mixture was stirred for an additional 15 min and filtered. The solid was washed with water and dried under vacuum to yield 13.3 g of a white powder.
  • MS DCI/NH3) m/e 230 (M+H) + .
  • Example 8C A suspension of Example 8C (31 g, 135 mmole) in trimethyl phosphate (450 mL) was treated with triphosgene (27 g, 136 mmole), stirred for 20 min at room temperature and heated in an oil bath at 80 °C for 1 h. The product precipated from the solution while cooling to room temperature. The thick slurry was treated with water and filtered, and the white solid was thoroughly washed with water and dried under vacuum to provide 26.3 g of the title compound. MS (DCI NH3) m e 212 (M+H) +
  • Example 8G N-r4-(aminomethvDphenyll-6-cvano-2-naphthalenecarboxamide A solution of Example 8E (200 mg) and hunig's base (180 ⁇ L) in DMF (5 mL) at 5 °C was treated with HATU (193 mg), stirred for 1 h at 5 °C, treated with
  • Example 8F 120 mg and diisopropylethylamine (100 ⁇ L) in DMF (5 mL), stirred for 8 h at room temperature, diluted with ethyl acetate (100 mL), washed sequentially with IN H3PO4, saturated sodium bicarbonate and brine, dried (Na2SO 4 ) and concentrated to provide a yellow oil which was purified on silica gel with 1 methanol/methylene chloride to provide 200 mg of the title compound.
  • Example 8H N-r4-(aminomethyl)phenyll-6-aminoininomethyl-2-naphthalenecarboxamide bisftrifluoroacetate) salt
  • the title compound was prepared from Example 8G (200 mg) by the procedure and purification from Example 5B to provide 37 mg of the title compound.
  • Example 10 l-r(7-Aminoiminomethyl-2-methoxy-l-naphthalenyl)oxyl-3-hydroxypropane mono(trifluoroacetate) salt
  • Example 10A 1 -f(7-Cvano-2-methoxy- 1 -naphthalenvDoxy1-3-r(2-tetrahydro-2H-pyranyl1oxy)propane mono(trifluoroacetate) salt
  • a suspension of Example 4A (200 mg) and CS2CO3 (0.32 g) in DMF (15 mL) was treated with 2-(3-bromopropyl)-tetrahydro-2H-pyran (0.25 g), stirred at room temperature for 18 h then diluted with water (100 mL) and ethyl acetate (50 mL). The organic layer was separated, washed with 10% citric acid, water and brine, dried (MgSO4) and concentrated to provide 320 mg of an oil.
  • Example 10B l-r(7-Aminoiminomethyl-2-methoxy-l-naphthalenyl)oxyl-3-hydroxypropane mono(trifluoroacetate) salt
  • Example 10A (0.3 g) was processed and purified according to the procedure of Example 1 B to provide 1 10 mg of an off-white solid.
  • l H NMR 300 MHz, DMSO-d 6 ) ⁇ 1.97 (q, 2H), 3.67 (t, 2H), 4.20 (t, 2H), 7.61-7.70 (m, 3H), 7.84 (d.lH), 8.08 (d, IH), 8.50 (d, IH); MS (DCI/NH3) m/e 275 (M+H) + .
  • Example 1 IB 2-Trifluoromethanesulfonyloxy-8-carbonylbenzyloxyaminonaphthelene
  • a solution of Example 11 A (2 g) in 10% aq Na2CO3 (20 mL) and dioxane (250 mL) was treated with benzylchloroformate (2 mL) in dioxane (20 mL), stirred at room temperature for 5 h then extracted with ethyl acetate. The organic layer was dried (MgSO4) and concentrated, and the crude product was chromatographed on silica gel with 7: 1 hexane/ethyl acetate to provide 2.5 g (86%) of the title compound.
  • Example 11C 8-(N-carbonylbenzyloxy)-2-naphthalenecarbonitrile Tris(dibenzylideneacetone)dipalladium(0)-chloroform adduct (120 mg), l,r-bis(diphenylphosphino)-ferrocene (260 mg), potassium cyanide (766 mg), Example 1 IB (2.5 g) and N-methyl-2-pyrrolidione (5 mL) were combined sequentially, stirred at room temperature until a yellow reaction complex formed then warmed to 80 °C for 40 min.
  • Example 1 1C (1.4 g) was treated with a solution of 30% HBr in acetic acid (5 mL) and stirred at room temperature for 6 h. The reaction mixture was treated with diethyl ether and filtered to provide 1.1 g of the title compound as a yellow solid. MS (DCI/NH3) m/e 186 (M+NH 4 )+.
  • Example 12 General Acylation Procedure A suspension of Example 10D (1 equivalent), triethylamine (1 equivalent) and DMAP (0.25 equivalents) in methylene chloride (0.3M) was treated dropwise with the appropriate acid chloride (1.1 equivalents) in methylene chloride (0.3 M), stirred at room temperature for 30 min and treated with water (50 mL). The organic layer was dried (MgSO4), concentrated and used in following reactions without further purification.
  • Example 13 General Amidine Synthesis Procedure A solution of crude acylation products from Example 12 (ca. 100 mg) at room temperature in 10: 1 pyridine:triethylamine (10 mL) was treated with hydrogen sulfide for 5 min, stirred at room temperature for 18 h, diluted with water (50 mL) and extracted with ethyl acetate. The ethyl acetate was dried (MgSO 4 ) and concentrated.
  • Example IB The residue was dissolved in acetone (30 mL), treated with methyl iodide (2 mL), refluxed for 1 hour, evaporated to dryness, redissolved in methanol (25 mL), treated with ammonium acetate (100 mg), stirred for 18 h at room temperature, concentrated and purified as described in Example IB to provide Examples 14-20 as white solids.
  • Example 2 IB 1 -r(7-Aminoiminomethyl-2-methoxy- 1 -naphthalenyl)oxyl-3-bromopropane mono(hvdrochloride) salt
  • the title compound was prepared from Example 21 A and the procedure of Example IB. After HCl hydrolysis, the solution was cooled to 0 °C, and the white solid which precipitated was filtered and dried to provide the title compound.
  • Example 22A 3-r(7-Cvano-2-methoxy- 1 -naphthalenvDoxylpropene The title compound was obtained as a biproduct from the procedure of Example 21 A. MS (DCI/NH3) m/e 257 (M+NH4) -.
  • Example 22B 3-r(7-Aminoiminomethyl-2-methoxy- 1 -naphthalenvDoxylpropene mono(trifiuoroacetate) salt The title compound was prepared from Example 22A and the procedure and purification in Example IB.
  • Example 4A The title compound was prepared from Example 4A, l-bromo-3-phenylpropane, and the procedure of Example 10A. MS (DCI/NH3) m/e 335 (M+NH4)+.
  • Example 24A l-Bromo-3-(3.4-dimethoxyphenyl)propane
  • the title compound was prepared from 3-(3,4-dimethoxyphenyl)-l-propanol as described in Journal of the American Chemical Society, 95 , 8749 (1973), which is incorporated herein by reference, to provide the title compound.
  • MS (DCI/NH3) m/e 276 (M+Nt D ⁇
  • Example 24B 1 -r(7-Cvano-2-methoxy- 1 -naphthalenyl)oxyl-3-r 1 -(3.4-dimethoxy)phenyl1propane
  • the title compound was prepared from Examples 4A and 24A and the procedure of Example 10 A.
  • Example 25A 7-Methoxy-8-trifluoromethanesulfonyloxy-2-naphthalenecarbonitrile
  • MS (DCI) m/e 349 (M+H 2 O) + .
  • Example 25C 7-Methoxy-8-(2-furanyl)-2-naphthalenecarbonitrile
  • Example 25 A (1.10 mmol) was combined with Pd(OAc)2 (0.1 1 mmol) and 1,1 '- bis(diphenylphosphino)ferrocene (0.22 mmol) in DMF (5 mL), stirred for 10 min, treated with Example 25B (1.32 mmol) and CS 2 CO3 (3.3 mmol), heated at 85 °C for 6 h, cooled to room temperature and chromatographed on silica gel with 10% ethyl acetate/hexane to provide the title compound. MS (DCI/NH3) m/e 250 (M+H) + .
  • Example 26A 2-Cvano-l-nitro-6-carboxynaphthalene methyl ester
  • a solution of 2-cyano-6-methylnaphthoate (5.2 g) in concentrated sufuric acid (75 mL) at 0 °C was treated with potassium nitrate (1.03 eq) in one portion, stirred for 10 min, poured onto ice (500 g) and extracted with ethyl acetate. The ethyl acetate layer was washed with water, IN NaOH and brine, dried (MgSO 4 ), treated with silica gel and filtered. Concentration of the ethyl acetate to ca. 200 mL precipitated the product.
  • Example 26B 2-Cvano-l-amino-6-carboxynaphthalene methyl ester A solution of Example 26A (lg, 3.9mmole) and 10% Pd on carbon (1 12 mg) in ethyl acetate (80 mL) was stirred under 1 atm of hydrogen for 9 h, purged with nitrogen for 1 h, filtered and evaporated to provide 810 mg (92%) of the title compound as a yellow solid. MS (DCI/NH3) m/e 227 (M+NH 4 ) + .
  • Example 26C 6-Cvano-4- (methoxycarbonyl)aminol-2-naphthalenecarboxylic acid, methyl ester
  • a solution of Example 26B (2.50 mmol) in methylene chloride (40 mL) was treated sequentially with diisopropylethylamine (2 mL) and methylchloroformate (195 ⁇ L, 2.52 mmole), stirred for 2 h, treated with methanol (10 mL), stirred for an additional 10 minutes, diluted with methylene chloride (60 mL), washed with water and brine, dried (MgSO4) and evaporated. The residue was purified on silica gel using 10% ethyl acetate/hexane to provide 280 mg (59%) of light yellow solid. MS (DCI NH3) m e 285 (M+H) + .
  • Example 26D Methyl 6-(aminoiminomethyl)-4-r(methoxycarbonyl)amino1-2-naphthalenecarboxylate mono(trifluoroacetate) salt The title compound was prepared using Example 26C (125 mg, 0.44 mmol) and the procedure in Example 40D to provide 35mg of a white solid.
  • Example 25A and styrene boronic ester prepared according to the procedure of Journal of the American Chemical Society, 97 5249 (1975), which is incorporated herein by reference, was processed according to the procedure described in Example 26B to provide the title compound.
  • Example 27B ( EV ⁇ 7-Methoxy-8-r2- ( Phenyl ) ethenv ⁇ l-2-naphthaleneimidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 27 A and the procedure of Example IB.
  • IH NMR 300 MHz, DMSO-d 6 ) ⁇ 3.98 (s, 3H), 7.28 (t, 2H), 7.39 (t, 2H), 7.64 (m, 5H), 8.00 (d, IH), 8.10 (d, IH), 8.62 (s, IH), 9.22 (br s, 2H), 9.42 (br s, 2H); MS (DCI/NH3) m/e 303 (M+H)+.
  • 6-Hvdroxy-2-naphthalenecarbonitrile A solution of 6-bromo-2-naphthol (25.0 g, 112 mmol) and copper(I) cyanide (11 g, 123 mmol) in DMF (30 mL) was heated at 135 °C for 18 h, cooled, diluted with ethyl acetate (50 mL), triturated with 10% aq sodium hydroxide and filtered through Celite®. The filtrate was acidified to pH 2 and extracted with ethyl acetate. The combined extracts were concentrated, dissolved in ethanol (150 mL) and triturated with water to precipitate 14.01 g of the title compound. MS (DCI/NH3) m/e 170 (M+H)+.
  • Example 28A 6-(Trifluoromethanesulfonyloxy)-2-naphthalenecarbonitrile
  • MS DCI/NH3) m/e 319 (M+NH 4 )+.
  • Example 28C 6-(4-Phenylbutvnyl)-2-naphthalenecarbo nitrile
  • the title compound was prepared from Example 28B, 4-phenyl- 1 -butyne and the procedure of Example 57B.
  • MS (DCI/NH3) m/e 299 (M+NH ) + .
  • Example 28D 6-(4-PhenvIbutvnyl)-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 28C and the procedure of Example IB.
  • IH NMR 300 MHz, DMSO-d 6 ) ⁇ 2.80 (t, 2H), 2.95 (t, 2H), 7.22 (m, IH), 7.36 (m, 4H), 7.58 (d, IH), 7.82 (d, IH), 8.05 (d, IH), 8.10 (d, 2H), 8.45 (s, IH), 9.10 (br s, 2H), 9.42 (br s, 2H);
  • Example 29A 3-IT ⁇ .1 -DimethvIethyPdimethylsilylloxyl- 1 -propanol. 4-nitrobenzenesulfonate A solution of 3-t-butlydimethylsiloxy-l -propanol, prepared by the method of
  • Example 29D 7-(2-Hvdroxyethoxy)-8-iodo-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • Example 29B 7-(2-Hvdroxyethoxy)-8-iodo-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • Example 30B 7-(2-Hvdroxyethoxy)-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 29B according to the procedure of
  • Example 31 6-(4-Methyl- 1 -pentvnyP-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • Example 31 A 6-(4-Methyl- 1 -pentvnyl)-2-naphthalenecarbonitrile The title compound was obtained from Example 28B, 4-methyl-l-pentyne and the procedure of Example 57B.
  • Example 3 6-(4-Methyl- 1 -pentynvD-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 31 A and the procedure of Example IB.
  • Example 32A 6-(5-Phenylpentynyl)-2-naphthalenecarbonitrile The title compound was obtained from Example 28B, 5-phenyl-l-pentyne and the procedure of Example 57B. MS (DCI/NH 3 ) m/e 313 (M+NH4) + .
  • Example 32B 6-(5-PhenylpentvnvD-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 32A and the procedure of Example IB.
  • H NMR 300 MHz, DMSO-d 6 ) ⁇ 1.90 (m, 2H), 2.80 (t, 2H), 3.39 (t, 2H), 7.19-7.37 (m, 5H), 7.62 (dd, IH), 7.82 (dd, IH), 8.08 (d, IH), 8.15 (d, IH), 8.18 (s, IH), 8.48 (s, IH), 9.15-9.45 (br d, 4H); MS (DCI/NH3) m/e 313 (M+H) + Anal, calcd for C 2 2H2 ⁇ N2'TFA: C, 67.60; H, 4.96; N, 6.57. Found: C, 67.32; H, 5.21; N, 6.27.
  • Example 33A 6-(3-Phenyl- 1 -propynvD-2-naphthalenecarbonitrile The title compound was obtained from Example 28B, 3-phenyl- l-propyne and the procedure of Example 57B.
  • Example 36A 4-Amino-N-r3-(6-cvano-2-naphthalenvI)-2-propynyllbenzamide
  • Example 35A and 4-aminobenzoic acid were subjected to the conditions described in Example 35B to afford the title compound.
  • MS (DCI/NH3) m/e 326 (M+H) + .
  • Example 36B 4-Amino-N-r3-(6-aminoiminomethyl-2-naphthalenyl)-2-propynyl1benzamide mono(trifluoroacetate) salt The title compound was prepared from Example 36A and the procedure of Example 5B.
  • Example 37A 6-r(l -Aminocvclohexyl)ethvnyll-2-naphthalenecarbonitrile
  • the title compound was obtained from Example 28B, 1-ethynylcyclohexylamine and the procedure of Example 41 A.
  • Example 37B (S ) -2-Amino-N-ri-r(6-cvano-2-naphthalenyDcarbonyllcvclohexyllpropionamide
  • Example 37A and N-(t-butoxycarbonyl)-L-alanine were subjected to the conditions described in Example 35B to provide the title compound.
  • MS (DCI/NH3) m/e 446 (M+H) + .
  • Example 37C rS)-2-Amino-N-ri-r(6-aminoiminomethyl-2-naphthalenyl)carbonyllcvclohexyllpropionamide bis(trifluoroacetate) salt The title compound was a rearrangement product of Example 37B resulting from the procedure of Example 5B.
  • l H NMR 300 MHz, DMSO-d 6 ) ⁇ 1.24 (d, 3H), 1.40-1.62 (m, 8H), 2.15-2.26 (s, IH), 2.29-
  • Example 38A 8-Hydroxy-6-methoxy-3. 4-dihvdro-2H-naphthalen- 1 -one A solution of 6, 8-dimethoxy-3, 4-dihydro-2H-naphthalen-l-one (15 g, 72.8 mmole), prepared according to the procedure of J. Chem. Soc, London 2782 (1955), which is incorporated herein by reference, in methylene chloride (150 mL) at 0 °C was treated portionwise with AICI3 (14.3 g, 107 mmole), stirred for 20 h at room temperature, poured onto ice with stirring and extracted with methylene chloride when the ice melted. The extracts were washed with water and brine, dried (MgSO 4 ) and concentrated to provide 13.8 g of the title compound. MS (DCI/NH3) m/e 193 (M+H) +
  • Example 38B 8-Benzyloxy-6-methoxy-3,4-dihydro-2H-naphthalen- 1 -one
  • a mixture of Example 38A (2.5 g, 13 mmole), benzyl bromide (2.1 mL, 17.8 mmole), K2CO3 powder (14.3 g, 100 mmole), and 2-butanone (88 mL) was stirred at reflux for 4 h, treated with additional benzyl bromide (1.0 mL, 8.5 mmole), stirred at reflux for an additional 3 h, cooled to room temperature, filtered and concentrated. The residue was dissolved in methylene chloride, washed with IN HCl, water and brine, dried (MgSO 4 ) and concentrated. The crude product was purified on silica gel with 30% ethyl acetate/hexanes to provide the title compound. MS (DCI/NH3) m/e 283 (M+H) + .
  • Example 38D 4.5-Dihydro-7-methoxy-9-(phenylmethoxy)naphthr2.1-dlisoxazole r2.1-d1isoxazole
  • a suspension of Example 38C (7.5 g, 24.3 mmole), hydroxylamine hydrochloride (4.0 g, 57.6 mmole) and acetic acid (63 mL) was stirred at 1 10 °C for 7 min, cooled to room temperature, diluted with water and extracted with methylene chloride. The extracts were washed with water and brine, dried (MgSO 4 ), and concentrated. The crude product was purified by flash chromatography on silica gel with 30% ethyl acetate/hexanes to provide the title compound. MS (DCI NH3) m/e 308 (M+H)+.
  • Example 38E 8-Benzyloxy-2-cyano-6-methoxy-3.4-dihydronaphthalen-l-one
  • sodium methoxide prepared from sodium metal (0.17 g, 7.35 mmol) in methanol (3.9 mL)
  • a solution of Example 38D 1.5 g, 4.9 mmole
  • benzene 50 mL
  • the extracts were washed with brine, dried (MgSO4) and concentrated to provide the title compound.
  • MS (DCI/NH3) m/e 308 (M+H) + .
  • Example 38F 2-Cyano-6-rnethoxy-8-Benzyloxy-3.4-dihvdronaphthalene
  • a suspension of Example 38E (2.6 g, 8.6 mmole) in absolute ethanol (25 mL) at room temperature was treated portionwise with NaBH (1.6 g), stirred for 20 min at room temperature and for 20 min at reflux, cooled to room temperature, treated with water (20 mL) and concentrated. The residue was dissolved in methylene chloride, washed with water and brine, dried (MgSO ), filtered and concentrated to provide 2.6 g of an orange foam.
  • Example 38G The title compound was prepared from Example 38G and the procedure of Example IB.
  • IH NMR 300 MHz, DMSO-d 6 ) ⁇ 4.38 (d, 2H), 6.89 (m, IH), 7.20 (m, 2H), 7.22 (s, IH), 7.63 (dd, IH), 7.82 (dd, IH), 8.09 (d, IH), 8.12 (d, IH), 8.20 (s, IH), 8.46 (s, IH), 8.95 (t, IH), 9.19 (br s, 2H), 9.42 (br s, 2H); MS (DCI/NH3) m e 307 (M+H)+.
  • Example 39A 6-Methoxy-8-hydroxy-2-naphthalenecarbonitrile
  • a mixture of Example 38G (1.62 g, 5.6 mmole) and 10% dry Pd/C (0.50 g) in methanol (150 mL) was hydrogenated in a Parr shaker at room temperature under 4 atm for 30 h. The mixture was filtered and concentrated to provide the title compound.
  • Example 39C 2-r(7-Aminoiminomethyl-3-methoxy- 1 -naphthalenvDoxylacetamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 39B and the procedure of Example IB.
  • H NMR 300 MHz, DMSO-d 6 ) ⁇ 3.93 (s, 3H), 4.70 (s, 2H), 6.70 (d, IH), 7.09 (d, IH), 7.65 (s, 2H), 7.82 (dd, I H), 7.99 (d, IH), 8.70 (s, IH), 9.05 (s, 2H), 9.38 (s, 2H); MS (DCI/NH3) m/e 274 (M+H)+.
  • Example 40A 6-Cvano-2-naphthalenecarbonyl chloride A suspension Example 8E (4.4 g, 22.3 mmol) in toluene (100 mL) was treated with thionyl chloride (6.0 mL) and DMAP (5 mg), heated at 55 °C for lh, treated with additional thionyl chloride (3 mL), warmed to 95 °C for lh, cooled to room temperature, stirred in hexane (75 mL) for 2.5 h and fltered to provide 3.62 of the title compound as a white powder. The filtrate was concentrated and triturated with ether to provide an additional 1.02 g of the title compound. MS (DCI/NH3) m/e 215 (M+H)+.
  • Example 40A A solution of Example 40A (1.65 g, 7.65 mmole) in acetone (600 mL) at room temperature was treated with a solution of sodium azide (3 g, 46 mmole) in water (10 mL), stirred for 1.5 h and diluted with water (60 mL). The resulting solid was filtered, washed with water and dried to provide 4.24 g of the title compound as a white powder. MS (DCI/NH3) m/e 240 (M+NH4) + .
  • Example 40C N-(6-cvano-2-naphthalenyl)-N'-phenylurea
  • a solution of Example 40B (221.2 mg, 1 mmole) in toluene (18 mL) was heated at 85 °C for 1 h then at 95 °C for 1.5 h, cooled to room temperature, treated with aniline (240 ⁇ L, 2.63 mmole), stirred for 25 min and treated with ether (10 mL). The resulting solid was collected, washed with ether and dried under vacuum to yield 230 mg of white powder.
  • MS DCI/NH3) m e 305 (M+NH ⁇ ) + .
  • Example 42A 6-r2-(Phenyl)ethyn-2-naphthalenecarbonitrile
  • a mixture of Example 57B (80 mg, 0.31 mmol) and palladium on carbon (20% water, 50 mg) in methanol (5 mL) was stirred under 1 atm of hydrogen for 0.5 h, filtered and concentrated to provide 72 mg of the title compound.
  • Example 42B 6-r2-(Phenyl)ethyl1-2-naphthalenecarboximidamide mono(trifluoroace ⁇ ate) salt
  • the title compound was prepared from Example 42 A and the procedure of Example IB.
  • !H NMR 300 MHz, DMSO-d 6 ) ⁇ 3.03 (m, 2H), 7.23 (m, 5H), 7.60 (dd, IH), 7.76 (dd, IH), 7.85 (s, IH), 8.03 (t, 2H), 8.42 (s, IH), 8.99 (s, 2H), 9.39 (s, 2H); MS (DCI/NH3) m/e 275 (M+H) + .
  • Example 53A (65 mg, 0.25 mmol) in DMF (2 mL) was treated with propyl iodide (40 mL), stirred at 65 °C for 1 h, diluted with water and extracted with diethyl ether. The organic extracts were dried (MgSO 4 ) and concentrated, and the residue was purified on silica gel with 10% ethyl acetate/hexanes to provide 160 mg of the title compound. MS (DCI/NH3) m/e 355 (M+H) + .
  • Example 43B 7-Propoxy-8-iodo-2-naphthalenecarboximidamide ono(trifluoroacetate) salt The title compound was prepared from the product in Example 43A according to the procedure of Example IB.
  • Example 44A ( ⁇ )-6-(3-Phenyloxiranyl)-2-naphthalenecarbonitrile
  • Example 45B (E)-6-r2-(2-Thienyl)ethenyl1-2-naphthalenecarbonitrile The title compound was prepared from the product of Example 45A and the procedure of Example 41 A. MS (DCI/NH3) m/e 279 (M+NH )+.
  • Example 45C (E)-6-r2-(2-ThienyDethenyl]-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 45B and the procedure of Example IB.
  • ' H-NMR 300 MHz, DMSO-d 6 ) ⁇ 7.12 (dd, 2H), 7.15 (d, IH), 7.32 (d, IH), 7.6 (d, IH), 7.74 (d, IH), 7.80 (dd, I H), 7.9-8.1 (m, 3H), 8.14 (s, IH), 8.43 (s, IH), 9.03 (s, 2H), 9.42 (s, 2H);
  • Example 46B 6- ( 3-Oxobutyl ) -2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 46 A and the procedure of ExamplelB.
  • Example 47A 6-(3-Methoxyphenyl)-2-naphthalenecarbonitrile
  • a solution of Example 28B (300 mg, 1 mmol), palladium (II) acetate (22 mg, 0.1 mmol) and l-l'-bis(diphenyphosphino)ferrocene (111 mg, 0.2 mmol) was stirred in DMF (3 mL) for 15 min, treated with CS2CO3 (813 mg, 2.5 mmol) and 3-methoxyphenylboronic acid (228 mg, 1.5 mmol), stirred for 20 min at 80 °C, cooled, treated with pH 7 buffer (10 mL) and extracted with diethyl ether.
  • Example 47B 6-(3-Methoxyphenyl)-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 47 A and the procedure of Example IB.
  • H NMR 300 MHz, DMSO-d 6 ) ⁇ 3.88 (s, 3H), 7.03 (m, IH), 7.44 (m, 3H), 7.84 (dd, IH), 8.05 (dd, I H), 8.19 (d, IH), 8.21 (d, IH), .41 (s, IH), 8.51 (s, IH), 9.1 1 (s, 2H), 9.45 (s, 2H);
  • Example 48 N-r3-(methyl ) phenv ⁇ -6-aminoiminomethyl-2-naphthalenecarboxamide mono(trifluoroacetate) salt
  • Example 48 A N-r3-(methyl)phenyl1-6-cvano-2-naphthalenecarboxamide The title compound was prepared from 3-methyl phenylis.ocyanate, Example 55C and the procedure from Example 55C. MS (DCI/NH3) m/e 287 (M+H)+
  • Example 48A The title compound was prepared from Example 48A and the procedure of Example IB.
  • IH NMR 300 MHz, DMSO-d 6 ) ⁇ 2.34 (s, 3H), 6.96 (d, IH), 7.27 (t, IH), 7.62 (d, IH), 7.66 (s, I H), 7.91 (dd, IH), 8.15 (dd, IH), 8.29 (d, IH), 8.31 (d, IH), 8.54 (s, IH), 8.68 (s, I H), 9.15 (s, 2H), 9.49 (s, 2H), 10.46 (s, IH); MS (DCI/NH3) m/e 304 (M+H) + ;
  • Example 49B 6-(2-Formylphenoxy)-2-naphthalenecarboxirnidamide mono(trifluoroacetate) salt
  • the title compound was prepared with Example 49A and the procedure of Example IB.
  • 1H-NMR 300 MHz, DMSO-d 6 ) ⁇ 7.19 (d, IH), 7.44 (t, IH), 7.56 (s, IH), 7.60 (d, IH), 7.79 (m, 2H), 7.94 (dd, IH), 8.01 (d, IH), 8.2 (d, IH), 8.51 (s, IH), 9.03 (s, 2H), 9.41 (s, 2H), 10.35 (s, IH);
  • Example 50A 6-(2-FormylphenvD-2-naphthalenecarbonitrile The title compound was prepared from Example 28B, 2-formylphenylboronic acid and the procedure of Example 47A. MS (DCI/NH 3 ) m/e 275 (M+NH ⁇ .
  • Example 50B 6-(2-Formylphenyl)-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 50A and the procedure of Example IB.
  • 'H NMR 300 MHz, DMSO-d 6 ) ⁇ 7.71-7.64 (m, 2H), 7.79 (d, IH), 7.81 (s, IH), 7.88 (dd, 1H),7.9 (d, IH), 8.16 (d, IH), 8.23 (t, 2H), 8.56 (s, IH), 9.05 (s, 2H), 9.48 (s, 2H), 9.92 (s, IH);
  • Example 52A 6-(3-Oxo- 1 -butenyl)-2-naphthalenecarbonitrile
  • the title compound was prepared from methyl acrylate, Example 28B and the procedure of Example 41 A.
  • Example 52B 6-(3-Oxo- 1 -butenyl)-2-naphthalenecarboximidamide mono(trifluoroacetate) salt The title compound was prepared from Example 52A and the procedure of Example IB.
  • Example 53 7-Methoxy-8-( 1 H-pyrazol-4-vD-2-naphthalenecarboximidamide bis(trifluoroacetate) salt
  • Example 53A 7-hvdroxy-8-iodo-2-naphthalenecarbonitrile
  • Example 53B 7-Methoxy-8-iodo-2-naphthalenecarbonitrile
  • Example 53 A (36.7 g, 124.2 mmol) in methanol (500 mL) and ethyl acetate (300 mL) was treated over 3 h with 2M trimethylsilyldiazomethane in hexane (260 mL), stirred for 24 h, concentrated and recrystallized from ethyl acetate to provide 36.4 g of the title compound.
  • MS DCI/NH3 m/e 327 (M+NFL + .
  • Example 53C 4-Iodo- 1 -rr2-(trimethylsilyDethoxylmethyll- 1 H-pyrazole
  • a slurry of NaH (1.94 g, 48.5 mmol) in THF (40 mL) at 0 °C was treated with a solution of 4-iodopyrazole (8.97 g, 46.2 mmol) in THF (20 mL), stirred for 1 h, treated with SEM chloride (9.00 mL, 50.8 mmol), stirred at room temperature for 1 h, poured into water and extracted with ethyl acetate. The extracts were washed with brine, dried (MgSO4) and concentrated. The residue was chromatographed on silica gel with 10% ethyl acetate/hexanes to provide 14.4 g of the title compound. MS (DCI/NH3) m/e 325 (M+H) + .
  • Example 53C (12.97 g, 40 mmol) in THF (250 mL) at -78 °C was treated with 2.5 M butyllithium in hexanes (17.6 mL, 44 mmol), stirred at -78 °C for 10 min, treated with trimethyl borate (11.36 mL, 100 mmol), warmed to room temperature, treated with 3M HCl (400 mL) and extracted with ethyl acetate. The extracts were concentrated, and the residue was dissolved in 1M NaOH (500 mL), extracted with diethyl ether, acidified with concentrated HCl and extracted with ethyl acetate.
  • Example 53E 7-Methoxy-8-ri-rr2-(trimethylsiIyl)ethoxylmethvn-lH-pyrazol-4-yll-2-naphthalenecarbonitrile
  • Examples 53B (1.55 g, 5 mmol) and 53D (1.45 g, 6 mmol) were subjected to the procedure described in Example 47 A to provide 1.64 g of the title compound.
  • MS (DCI/NH3) m/e 380 (M+H) + .
  • Example 53F 7-Methoxy-8-( 1 H-pyrazol-4-yl)-2-naphthalenecarbonitrile A solution of Example 53E (1.84 g, 4.85 mmol) in THF
  • Example 54 7-Methoxy-8-iodo-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 53B and the procedure of Example IB.
  • IH NMR 300 MHz, DMSO-d 6 ) ⁇ 4.01 (s, 3H), 7.65 (m, 2H), 8.12 (d, IH), 8.15 (d, IH), 8.42 (s, IH), 9.14 (s, 2H), 9.52 (s, 2H); MS (DCI/NH3) m/e 327 (M+H)+.
  • N-phenyltrifluoromethanesulfonate (7.95 g, 22.25 mmol), and diisopropylethylamine (7.75 mL, 44.5 mmol) in methylene chloride (25 mL) were stirred for 3 h at room temperature, poured into water and extracted with diethyl ether. The extracts were washed with brine, dried
  • Example 55A 6-Bromo-2-naphthalenecarbonitrile
  • Example 55A (7.89 g, 22.2 mmol) was combined with Zn(CN) 2 (1.33 g, 11.33 mmol) and Pd(PPh ) 4 (256 mg, 0.22 mmol) in DMF (50 mL), heated at 90° C for 3 h, cooled to room temperature, treated with saturated NaHCO3 and extracted with diethyl ether. The extracts were washed with brine, dried over (MgSU4), and condensed. The residue was chromatographed on silica gel with 5% ethyl acetate/hexanes to provide 2.67 g of the title compound. MS (DCI/NH3) m/e 231 and 233 (M+H)+.
  • Example 55D N-phenyl-6-aminoiminomethyl-2-naphthalenecarboxamide mono(methanesulfonate ) salt
  • a solution of Example 55C (52 mg, 0.191 mmol) in THF (2 mL) was treated with 1M lithium bis(trimethylsilyl)amide in THF (0.6 mL), stirred for 18 h, treated with 2M HCl (4 mL), stirred for another 24 h, made basic with saturated Na2CO3 and extracted with ethyl acetate. The extracts were washed with brine, dried (Na2SO ) and concentrated.
  • Example 56A N-methyl-3-hvdroxyphenylacetamide
  • 3-hydroxyphenylacetic acid (1.00 g, 6.57 mmol) and oxalyl chloride (0.63 mL, 7.22 mmol) in methylene chloride (20 mL) was treated dropwise with pyridine (0.6 mL, 7.37 mmol), stirred for 90 min, poured into 40% aqueous methylamine (30 mL), stirred for 15 min, concentrated, dissolved into 1M HCl and extracted with ethyl acetate. The extracts were washed with brine, dried (MgSO4) and concentrated. The residue was chromatographed on silica gel with ethyl acetate to provide 260 mg of the title compound. MS (DCI/NH3) m/e 166 (M+H) + .
  • Example 56B 4-r(6-Cvano-2-naphthalenyDoxyl-N-methylbenzeneacetamide
  • a mixture of Example 56A (245 mg, 1.48 mmol), Example 55B (344 mg, 1.48 mmol) and CS2CO3 (530 mg, 1.63 mmol) in DMF (3 mL) was stirred for 72 h at 120 °C, cooled and chromatographed on silica gel with 1 : 1 ethyl acetate/hexanes to provide 54 mg of the title compound.
  • MS DCI/NH3) m/e 317 (M+H)+.
  • Example 56C 4-r(6-Aminoiminomethyl-2-naphthalenyl)oxyl-N-methylbenzeneacetamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 56B and the procedure of Example 55D.
  • l H NMR 300 MHz, DMSO-d 6 ) ⁇ 2.33 (s, 3H), 2.58 (d, 3H), 3.42 (s, 2H), 7.05 (m, 2H),7.12 (d, IH), 7.40 (dd, IH), 7.45 (m, 2H), 7.79 (dd, IH), 7.98 (q, IH), 8.02 (d, IH), 8.15 (d, IH), 8.49 (s, IH), 8.99 (br s, 2H), 9.39 (br s, 2H); MS (DCI/NH3) m/e 334 (M+H) + .
  • Example 57A 2-Cvanonaphthalene-6-boronic acid A solution of Example 55B (6.37 g, 27.45 mmol) in THF (220 mL) and hexanes (50 mL) at -100 °C was treated with 2.5 M butyllithium in hexanes (11.0 mL, 27.5 mmol), st red at -100 °C for 10 min, treated with trimethyl borate (7.8 mL, 68.6 mmol), warmed to room temperature, treated with 3M HCl (400 mL) and extracted with ethyl acetate.
  • Example 57B The title compound was prepared from Example 57B and the procedure of Example 55D.
  • IH NMR 300 MHz, DMSO-d 6 ) ⁇ 2.32 (s, 3H), 2.40 (s, 3H), 7.34 (m, 2H), 7.45 (m, 2H),
  • Example 58B 2-(2-Thiomethoxyethyl)bromobenzene A solution of Example 58A (990 mg, 3.75 mmol) and sodium thiomethoxide (290 mg,
  • Example 58D 6-r2-(2-Thiomethoxoxyethyl)phenyl1naphthalene-2-carboximidamide mono(methanesulfonate) salt
  • the title compound was prepared from Example 58C and the procedure from Example 55D.
  • Example 59A 7-Methoxy-8-(3-furanyl)-2-naphthalenecarbonitrile
  • the title compound was prepared from Example 53B, furan-3-boronic acid (873 mg, 7.80 mmol) and the procedure of Example 57B.
  • Example 59B 7-Methoxy-8-(3-furanyl)-2-naphthalenecarboxirnidamide mono(methanesulfonate) salt
  • the title compound was prepared from Example 58C and the procedure from Example
  • Example 60A 7-Methoxy-8-(2-benzofuranyl)-2-naphthalenecarbonitrile
  • the title compound was prepared from Example 53B (166 mg, 0.50 mmol), benzofuran-2- boronic acid (1 13 mg, 0.70 mmol) and the procedure of Example 57B.
  • MS (DCI/NH3) m/e 317 (M+NH 4 ) + .
  • Example 60B 7-Methoxy-8-(2-benzofuranyl)naphthalene-2-carboximidamide mono(methanesulfonate) salt
  • the title compound was prepared from Example 60 A (72 mg, 0.240 mmol) and the procedure from Example 55D.
  • Example 53B (75 mg, 0.243 mmol), PdCl 2 (dppf) (20 mg, 0.024 mmol), 3,4- methylenedioxystyrene (43 mg, 0.291 mmol) and diisopropylethylamine (0.170 mL, 0.97 mmol) in N-methylpyrrolidinone (2 mL) were stirred at 90° C for 18 h, cooled to room temperature and chromatographed on silica gel with 20% ethyl acetate/hexanes to provide 46 mg of the title compound.
  • Example 61 A 43 mg, 0.131 mmol
  • Example 55D The title compound was prepared from Example 61 A (43 mg, 0.131 mmol) and the procedure from Example 55D.
  • Example 53B A solution of Example 53B (3.09 g, 10 mmol), PdCl2 (120 mg, 1 mmol), cis-2-butene-l ,4-diol ( 1.23 mL, 15 mmol) and NaHC03 ( 1.01 g, 12 mmol) in N-methylpyrrolidinone ( 10 mL) was stirred at 130 °C for 1 h, cooled to room temperature and chromatographed on silica gel with 30% ethyl acetate/hexanes to provide 2.19 g of the title compound as a mixture of diastereomers. MS (DCI/NH3) m/e 269 (M+H) + .
  • Example 62 A (140 mg, 0.52 mmol) in methylene chloride (3 mL) at 0 °C was treated with triethylsilane (0.166 mL, 1.04 mmol) and BF3-OEt2 (0.096 mL, 0.78 mmol). stirred at room temperature for 4 h, concentrated and chromatographed on silica gel with 25% ethyl acetate/hexanes to provide 100 mg of the title compound. MS (DCI/NH3) m/e 271 (M+NH 4 ) + .
  • Example 62B The title compound was prepared from Example 62B (96 mg, 0.379 mmol) and the procedure from Example 55D.
  • IH NMR 300 MHz. DMSO-d 6 ) ⁇ 2.20 (m, I H), 2.33 (m, I H), 2.39 (s, 3H), 3.99 (s, 3H),
  • Example 28B and trimethylsilylacetylene were submitted to the conditions described in Example 42C to provide the title compound.
  • Example 63B 6-Ethvnyl-2-naphthaIenecarbonitrile
  • a mixture of Example 63A (0.4 g, 1.6 mmole) and K 2 CO3 (0.4 g, 3.2 mmole) in methanol ( 16 mL) was stirred at room temperature for 18 h. concentrated, treated with water and extracted with methylene chloride. The organic layer was washed with 0.5 NHCl and brine, dried (MgSO4) and evaporated to provide the title compound.
  • Example 63E 6-rf4-(2-Aminoethyl)phenyl1ethvnvn-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared with Example 63D and the procedure of Example 5B.
  • Example 64 7-Methoxy-8-[2-pyrimidinyl(oxy)l-2-naphthalenecarboximidamide mono(trifluoroacetate)
  • Example 64A 7-Methoxy-8-[2-pyrimidinyl(oxy)1-2-naphthalenecarbonitrile
  • Example 4A 125 mg, 0.627 mmol
  • 2-chloropyrimidine 143 mg, 1.25 mmol
  • MS DCI/NH3 m/e 278 (M+H)+.
  • Example 64B 7-Methoxy-8-r2-pyrimidinyl(oxy)l-2-naphthalenecarboximidamide mono(trifluoroacetate)
  • the title compound was prepared with Example 64A and the procedure of Example IB.
  • IH NMR 300 MHz, DMSO-d 6 ) ⁇ 2.51 (s, 3H), 3.83 (s, 3H), 7.18 (t, IH), 7.70 (dd, IH), 7.80 (d, I H), 8.05 (d, IH), 8.19 (d, IH), 8.34 (s, IH), 8.62 (d, 2H), 9.07 (br s, 2H), 9.45 (br s, 2H);
  • Example 4A 7-Methoxy-8-r2-thiazoyl(o ⁇ y)l-2-naphthalenecarbonitrile
  • 2-bromothiazole 225 mL, 2.50 mmol
  • CsF 209 mg, 1.38 mmol
  • Example 65B 7-Methoxy-8-r2-thiazoyl ( oxy ) 1naphthalene-2-carboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared with Example 65 A and the procedure of Example 1 B.
  • Example 66A 7-Methoxy-8-(4-nitrophenoxy)-2-naphthalenecarbonitrile
  • the title compound was prepared from Example 4A (125 mg, 0.627 mmol), 1,4- dinittobenzene (143 mg, 1.25 mmol) and the procedure described in Example 65A to provide 227 mg of the title compound.
  • Example 66B 7-Methoxy-8-(4-nitrophenoxy)-2-naphthalenecarboximidamide mono(trifluoroacetate) salt The title compound was prepared with Example 66A and the procedure of Example
  • Example 67A 7-Methoxy-8-pentafluorophenoxy-2-naphthalenecarbonitrile
  • Example 4A 100 mg, 0.50 mmol
  • hexafluorobenzene 1 15 mL, 1.00 mmol
  • MS DCI/NH3 m/e 383 (M+NH4) + .
  • Example 67B 7-Methoxy-8-pentafluorophenoxy-2-naphthalenecarboximidamide mono(trifluoroacetate) salt The title compound was prepared with Example 67A and the procedure of Example 55D.
  • Example 68A 7-Methoxy-8-rN-2-phenyl(amino)1-2-naphthalenecarbonitrile
  • a solution of Example 25A (309 mg, 1.00 mmol), aniline (0.109 mL, 1.2 mmol), NaO l Bu ( 1 15 mg, 1.2 mmol), Pd2(dba) 3 ( 10 mg, 0.01 mmol) and dppf ( 17 mg, 0.03 mmol) in toluene (5 mL) was stirred for 3 h at 100 °C, cooled and chromatographed on silica gel with 10% ethyl acetate/hexanes to provide 175 mg of the title compound. MS (DCI/NH3) m/e 275 (M+H)+.
  • Example 69A N-(6-Cvano-2-naphthalenyl)-N'-benzylurea
  • the title compound was prepared with Example 40A, benzylamine and the procedure from Example 40B.
  • MS (DCI/NH3) m/e 302 (M+H)+.
  • Example 69B N-(6-Aminoiminomethyl-2-naphthalenyl)-N'-benzylurea mono(trifluoroacetate) salt
  • the title compound was prepared with Example 69A and the procedure from Example 40D.
  • !H NMR 300 MHz, DMSO-d 6 ) ⁇ 4.35 (d, 2H), 6.91 (t, IH), 7.35-7.24 (m, 5H), 7.59 (dd, IH), 7.72 (dd, IH), 7.95 (d, IH), 7.96 (d, IH), 8.22 (d, IH), 8.35 (d, IH), 8.92 (br s, 2H), 9.13 (s, I H), 9.32 (br s, 2H).
  • MS DC1/NH3) m/e 319 (M+H)+.
  • Example 40A The title compound was prepared with Example 40A (221.2 mg, 1.00 mmole) and methylamine (2.3 mL, 2.34 mmol) in THF (10 mL) according to the procedure from Example 40B.
  • Example 70B N-(6-Aminoiminomethyl-2-naphthalenyl)-N'-methylurea mono(trifluoroacetate) salt The title compound was prepared with Example 70A and the procedure of Example 40D. ! H NMR (300 MHz, DMSO-d 6 ) ⁇ 2.69 (d, 3H), 6.32 (q, IH), 7.60 (dd, IH),
  • Example 71 A N-(6-Cvano-2-naphthalenyl)-N'-isopropylurea
  • the title compound was prepared with Example 40A, isopropylamine and the procedure from Example 40B.
  • Example 7 IB N-(6-Aminoiminomethyl-2-naphthalenyl)-N'-isopropylurea mono(trifluoroacetate) salt The title compound was prepared with Example 71 A and the procedure of Example 5B.
  • Example 72A N-(6-Cvano-2-naphthalenyl)-N'-phenyl-N'-methylurea
  • the title compound was prepared with Example 40 A, N-methyl-N-phenylamine and the procedure from Example 40B.
  • MS (DCI/NH3) m/e 302 (M+H)+.
  • Example 72B N-(6-Aminoiminomethyl-2-naphthalenyl)-N'-phenyl-N'-methylurea mono(trifluoroacetate) salt The title compound was prepared with Example 72A and the procedure of Example 40D.
  • IH NMR 300 MHz, DMSO-d 6 ) ⁇ 3.33 (s, 3H), 7.25-7.47 (m, 5H), 7.71 -7.77 (m, 2H), 7.95
  • Example 73A 6-Phenylcarbamoyl-2-naphthalenecarbonitrile
  • the title compound was prepared from Example 40A, phenol and the procedure from Example 40B.
  • MS (DCI/NH3) m/e 289 (M+H)+.
  • Example 73B 6-Aminonaphthalene-2-carboximidamide mono(trifluoroacetate) salt The title compound was prepared from Example 73A and the procedure of Example 40D.
  • Example 74B N-(6-aminoiminomethyl-2-naphthalenyl)-N'-cvclohexylurea mono(trifluoroacetate) salt The title compound was prepared with Example 74A and the procedure of Example 40D.
  • Example 75A N-(6-cyano-2-naphthalenyl)-N'-benzyloxyurea
  • the title compound was prepared with Example 40A, O-benzylhydroxylamine and the procedure from Example 40B.
  • Example 75B N-(6-aminoiminomethyl-2-naphthalenvD-N'-benzyloxyurea mono(trifluoroacetate) salt The title compound was prepared with Example 75A and the procedure of Example 40D. ' H NMR (300 MHz, DMSO-d 6 ) ⁇ 4.87 (s, 2H), 7.25-7.42 ( , 3H), 7.48-7.51 (m, 2H), 7.75
  • Ci9Hi8N O2-TFA Anal, calcd for Ci9Hi8N O2-TFA: C, 56.25; H, 4.27; N, 12.49. Found: C, 56.26; H, 4.39; N, 12.30.
  • Example 76 1.1 -Dimethylethyl r4-rr(6-aminoiminomethyl-2-naphthalenvPaminolcarbonvnphenyl1carbamate mono ( trifluoroacetate) salt
  • Example 76A 6-Amino-2-naphthalenecarbonitrile Sulfuric acid (45mL) was treated with Example 40B (6.5 g), stirred for 30 min, warmed to room temperature for 20 min, poured onto ice, diluted with water to approximately 500 mL, cooled to 0 °C and treated with 50% aq sodium hydroxide such that the temperature did not exceed 35 °C.
  • Example 76B 1.1 -Dimethylethyl r4-rr(6-cvano-2-naphthalenyl)aminolcarbonyllphen yllcarbamate mono(trifluoroacetate) salt
  • the title compound was prepared from Example 76A, 4-N-Boc-aminomethylbenzoic acid, the procedure from Example 35B with methylene chloride in place of THF.
  • MS (DCI NH3) m/e 417 (M+H) + .
  • Example 76B The title compound was prepared with Example 76B and the procedure of Example 40D.
  • l H NMR 300 MHz, DMSO-d 6 ) ⁇ 3.30 (s, 9H), 4.22 (d, 2H), 7.42 (d, 2H), 7.49 (t, IH),
  • Example 77A N-f6-(AminoiminomethvP-2-naphthalenyl l-4-(aminomethyl)benzamide mono(trifluoroacetate) salt
  • Example 78A Ethyl (6-cyano-2-naphthalenyl)carbamate mono(trifluoroacetate) salt The title compound was prepared with Example 40 A, ethanol and the procedure from Example 40B.
  • Example 78B Ethyl [6- ( aminoiminomethyl ) -2-naphthalenyllcarbamate mono(trifluoroacetate) salt The title compound was prepared with Example 78 A and the procedure of Example 78
  • Example 79 1.1 -dimethylethyl f4-rr[6-aminoiminornethyl)- 2-naphthaIenyl)amino1carbonyllaminolphenyll carbamate mono(trifluoroacetate) salt
  • Example 40B 4-(N-tert-butoxycarbonylamino)- aminobenzene and the procedure from Example 40C.
  • MS (DCI/NH3) m/e 403 (M+H) + .
  • Example 80B ( E ) -6-r2-(Phenylthio ) ethenvn-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 80A and the procedure of Example IB.
  • I H NMR 300 MHz, DMSO-d 6 ) ⁇ 6.91 (d, IH), 7.52-7.33 (m, 5H), 7.50 (d, IH), 7.75- 7.83 (m, IH), 7.98-8.89 (m, IH), 8.08-8.80 (m, 3H), 8.44 (m, IH), 9.03 (s, 2H), 9.40 (s, 2H); MS (DCI NH3) m/e 305 (M+H)+.
  • Example 81 B (E)-6-r2-(2-Furanyl)ethenv ⁇ -2-naphthalenecarbonitrile The title compound was prepared from Examples 55B and 81 A and the procedure of
  • Example 82 ( E)-6-r2-(l H-Imidazol-l - y l)ethenyll-2-naphthalenecarboximidamide mono(trifluoroacetate) salt
  • Example 82A (E)-6-12-(lH-Imidazol-l -yl)ethenyll-2-naphthalenecarbonitrile The title compound was prepared from Example 55B, 1-vinylimidazole and the procedure of Example 42C.
  • Example 83A 4-vinylsulfonamide
  • a solution of thionyl chloride (7.5 mL) and 4-t-butylcatachol (45 mg, 0.3 mmol) in DMF (9 mL) at 0 °C was treated with 4-vinylbenzene sulfonic acid sodium salt (3 g, 14.6 mmol), stirred for 6 h, stored at -10 °C for 3 days, poured into ice water and extracted with benzene. The organic layer was washed with water, dried (Na 2 S0 4 ), filtered and concenttated to provide 4-vilylsulfonyl chloride as a clear, colorless oil.
  • Example 83B (E)-4-r2-(6-Cvano-2-naphthalenyl)ethenyl1benzenesulfonamide The title compound was prepared from Example 55B, Example 83A and the procedure of Example 57B. MS (DCI/NH3) m/e 352 (M+NH 4 ) + .
  • Example 83C (E)-4-r2-(6-Aminoiminomethyl-2-naphthalenyl)ethenyllbenzenesulfonamide mono(trifluoroacetate) salt
  • the title compound was prepared from Example 83B and the procedure of Example
  • Example 84A (E)-4-12-(6-Cyano-2-naphthalenyl)etheny ⁇ benzoic acid
  • the title compound was prepared from Example 55B, 4-vinylbenzoic acid and the procedure of Example 57B.
  • MS (DCI/NH3) m/e 300 (M+H)+.

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PL339429A1 (en) 2000-12-18
AU8587498A (en) 1999-02-16
WO1999005096A2 (en) 1999-02-04
BR9811099A (pt) 2002-05-14
ZA986594B (en) 1999-01-27
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CA2294300A1 (en) 1999-02-04
KR20010014369A (ko) 2001-02-26
CN1265645A (zh) 2000-09-06
SK174899A3 (en) 2000-06-12
JP2002512636A (ja) 2002-04-23
HUP0100353A3 (en) 2001-11-28
IL133368A0 (en) 2001-04-30
NO996578D0 (no) 1999-12-30

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