ZA200209516B - Tropane derivatives useful in therapy. - Google Patents
Tropane derivatives useful in therapy. Download PDFInfo
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- ZA200209516B ZA200209516B ZA200209516A ZA200209516A ZA200209516B ZA 200209516 B ZA200209516 B ZA 200209516B ZA 200209516 A ZA200209516 A ZA 200209516A ZA 200209516 A ZA200209516 A ZA 200209516A ZA 200209516 B ZA200209516 B ZA 200209516B
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- ZA
- South Africa
- Prior art keywords
- compound
- formula
- pharmaceutically acceptable
- acceptable salt
- solvate
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- MLILORUFDVLTSP-UHFFFAOYSA-N emivirine Chemical compound O=C1NC(=O)N(COCC)C(CC=2C=CC=CC=2)=C1C(C)C MLILORUFDVLTSP-UHFFFAOYSA-N 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000008387 emulsifying waxe Substances 0.000 description 1
- CCIVGXIOQKPBKL-UHFFFAOYSA-M ethanesulfonate Chemical compound CCS([O-])(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-M 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- LLYJISDUHFXOHK-GOCONZMPSA-N ferroptocide Chemical compound C[C@@H]1CC[C@@]23C[C@@H](C(=O)[C@]2([C@@]1([C@@H](C[C@H]([C@@H]3C)C4=CCN5C(=O)N(C(=O)N5C4)C6=CC=CC=C6)OC(=O)CCl)C)O)O LLYJISDUHFXOHK-GOCONZMPSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
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- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 229950011117 fozivudine tidoxil Drugs 0.000 description 1
- 229940050411 fumarate Drugs 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 229940050410 gluconate Drugs 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229940049654 glyceryl behenate Drugs 0.000 description 1
- 229960002449 glycine Drugs 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 239000000852 hydrogen donor Substances 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229960001330 hydroxycarbamide Drugs 0.000 description 1
- 125000002962 imidazol-1-yl group Chemical group [*]N1C([H])=NC([H])=C1[H] 0.000 description 1
- JBFYUZGYRGXSFL-UHFFFAOYSA-N imidazolide Chemical compound C1=C[N-]C=N1 JBFYUZGYRGXSFL-UHFFFAOYSA-N 0.000 description 1
- 239000002955 immunomodulating agent Substances 0.000 description 1
- 229940121354 immunomodulator Drugs 0.000 description 1
- CBVCZFGXHXORBI-PXQQMZJSSA-N indinavir Chemical compound C([C@H](N(CC1)C[C@@H](O)C[C@@H](CC=2C=CC=CC=2)C(=O)N[C@H]2C3=CC=CC=C3C[C@H]2O)C(=O)NC(C)(C)C)N1CC1=CC=CN=C1 CBVCZFGXHXORBI-PXQQMZJSSA-N 0.000 description 1
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- 230000004968 inflammatory condition Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002850 integrase inhibitor Substances 0.000 description 1
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- 230000003834 intracellular effect Effects 0.000 description 1
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- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229940001447 lactate Drugs 0.000 description 1
- 229960001375 lactose Drugs 0.000 description 1
- 229960001627 lamivudine Drugs 0.000 description 1
- JTEGQNOMFQHVDC-NKWVEPMBSA-N lamivudine Chemical compound O=C1N=C(N)C=CN1[C@H]1O[C@@H](CO)SC1 JTEGQNOMFQHVDC-NKWVEPMBSA-N 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
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- 229960004525 lopinavir Drugs 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229960000884 nelfinavir Drugs 0.000 description 1
- QAGYKUNXZHXKMR-HKWSIXNMSA-N nelfinavir Chemical compound CC1=C(O)C=CC=C1C(=O)N[C@H]([C@H](O)CN1[C@@H](C[C@@H]2CCCC[C@@H]2C1)C(=O)NC(C)(C)C)CSC1=CC=CC=C1 QAGYKUNXZHXKMR-HKWSIXNMSA-N 0.000 description 1
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- 239000002726 nonnucleoside reverse transcriptase inhibitor Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 239000002777 nucleoside Substances 0.000 description 1
- 150000003833 nucleoside derivatives Chemical class 0.000 description 1
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
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- 210000000056 organ Anatomy 0.000 description 1
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- 229940124531 pharmaceutical excipient Drugs 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 1
- PARWUHTVGZSQPD-UHFFFAOYSA-N phenylsilane Chemical compound [SiH3]C1=CC=CC=C1 PARWUHTVGZSQPD-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 1
- 150000004885 piperazines Chemical class 0.000 description 1
- YIQPUIGJQJDJOS-UHFFFAOYSA-N plerixafor Chemical compound C=1C=C(CN2CCNCCCNCCNCCC2)C=CC=1CN1CCCNCCNCCCNCC1 YIQPUIGJQJDJOS-UHFFFAOYSA-N 0.000 description 1
- 229960002169 plerixafor Drugs 0.000 description 1
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 description 1
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229940113124 polysorbate 60 Drugs 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000006340 racemization Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 230000001177 retroviral effect Effects 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 229960000311 ritonavir Drugs 0.000 description 1
- NCDNCNXCDXHOMX-XGKFQTDJSA-N ritonavir Chemical compound N([C@@H](C(C)C)C(=O)N[C@H](C[C@H](O)[C@H](CC=1C=CC=CC=1)NC(=O)OCC=1SC=NC=1)CC=1C=CC=CC=1)C(=O)N(C)CC1=CSC(C(C)C)=N1 NCDNCNXCDXHOMX-XGKFQTDJSA-N 0.000 description 1
- 239000003419 rna directed dna polymerase inhibitor Substances 0.000 description 1
- 229960001852 saquinavir Drugs 0.000 description 1
- QWAXKHKRTORLEM-UGJKXSETSA-N saquinavir Chemical compound C([C@@H]([C@H](O)CN1C[C@H]2CCCC[C@H]2C[C@H]1C(=O)NC(C)(C)C)NC(=O)[C@H](CC(N)=O)NC(=O)C=1N=C2C=CC=CC2=CC=1)C1=CC=CC=C1 QWAXKHKRTORLEM-UGJKXSETSA-N 0.000 description 1
- 229960002530 sargramostim Drugs 0.000 description 1
- 108010038379 sargramostim Proteins 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000012419 sodium bis(2-methoxyethoxy)aluminum hydride Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 229960001790 sodium citrate Drugs 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229940080313 sodium starch Drugs 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 235000019337 sorbitan trioleate Nutrition 0.000 description 1
- 229960000391 sorbitan trioleate Drugs 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229960001203 stavudine Drugs 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- 239000000375 suspending agent Substances 0.000 description 1
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- 208000011580 syndromic disease Diseases 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229950002920 talviraline Drugs 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- VCMJCVGFSROFHV-WZGZYPNHSA-N tenofovir disoproxil fumarate Chemical compound OC(=O)\C=C\C(O)=O.N1=CN=C2N(C[C@@H](C)OCP(=O)(OCOC(=O)OC(C)C)OCOC(=O)OC(C)C)C=NC2=C1N VCMJCVGFSROFHV-WZGZYPNHSA-N 0.000 description 1
- MHXBHWLGRWOABW-UHFFFAOYSA-N tetradecyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCCCCCCCCCC MHXBHWLGRWOABW-UHFFFAOYSA-N 0.000 description 1
- OSBSFAARYOCBHB-UHFFFAOYSA-N tetrapropylammonium Chemical compound CCC[N+](CCC)(CCC)CCC OSBSFAARYOCBHB-UHFFFAOYSA-N 0.000 description 1
- SUJUHGSWHZTSEU-FYBSXPHGSA-N tipranavir Chemical compound C([C@@]1(CCC)OC(=O)C([C@H](CC)C=2C=C(NS(=O)(=O)C=3N=CC(=CC=3)C(F)(F)F)C=CC=2)=C(O)C1)CC1=CC=CC=C1 SUJUHGSWHZTSEU-FYBSXPHGSA-N 0.000 description 1
- 229960000838 tipranavir Drugs 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000009385 viral infection Effects 0.000 description 1
- 230000006490 viral transcription Effects 0.000 description 1
- 238000005550 wet granulation Methods 0.000 description 1
- 239000003871 white petrolatum Substances 0.000 description 1
- 229960000523 zalcitabine Drugs 0.000 description 1
- 229960002555 zidovudine Drugs 0.000 description 1
- HBOMLICNUCNMMY-XLPZGREQSA-N zidovudine Chemical compound O=C1NC(=O)C(C)=CN1[C@@H]1O[C@H](CO)[C@@H](N=[N+]=[N-])C1 HBOMLICNUCNMMY-XLPZGREQSA-N 0.000 description 1
Description
Tropane derivatives useful in therapy . This invention relates to tropane derivatives useful in the treatment of a variety of disorders, including those in which the modulation of CCR5 ’ 5 receptors is implicated. More particularly, the present invention relates to 3- (3-isopropyl-5-methyl-4H-1,2 4-triazol-4-yl}-exo-8-azabicyciof3.2.1joctane derivatives and to processes for the preparation of, intermediates used in the preparation of, compositions containing and the uses of, such derivatives.
Disorders that may be treated or prevented by the present derivatives include
HIV and genetically related retroviral infections (and the resulting acquired immune deficiency syndrome, AIDS), and inflammatory diseases.
The compounds of the present invention are modulators, especially antagonists, of the activity of chemokine CCRS5 receptors. Modulators of the
CCRS5 receptor may be useful in the treatment of various inflammatory diseases and conditions, and in the treatment of infection by HIV-1 and genetically related retroviruses. The name “chemokine”, is a contraction of “chemotactic cytokines”. The chemokines comprise a large family of proteins which have in common important structural features and which have the ability to attract leukocytes. As leukocyte chemotactic factors, chemokines play an indispensable role in the attraction of leukocytes to various tissues of the body, a process which is essential for both inflammation and the body's response to infection. Because chemokines and their receptors are central to the pathophysiology of inflammatory and infectious diseases, agents which are active in modulating, preferably antagonizing, the activity of chemokines and their receptors, are useful in. the therapeutic treatment of such inflammatory and infectious diseases. . "The chemokine receptor CCRS is of particular importance in the context of treating inflammatory and infectious diseases. CCRS is a receptor
N for chemokines, especially for the macrophage inflammatory proteins (MIP) designated MIP-1a. and MIP-1B, and for a protein which is regulated upon activation and is normal T-cell expressed and secreted (RANTES).
i 2 :
There has been a substantial investigation of different classes of modulators of chemokine receptor activity, especially that of the CCR5 . chemokine receptor, for example, WO 98/25617 relates to substituted aryl : piperazines as modulators of chemokine receptor activity.
The present compounds are generally disclosed by WO 00/38680 but none is specifically exemplified therein.
According to a first aspect of the present invention, there is provided a compound of formula (1),
R!
C oA J :
BSW N jo
H,C wherein R' is C, 4 cycloalkyl optionally substituted by one or more fluorine atoms, or C, 4 alkyl optionally substituted by one or more fluorine atoms, or
C,4 cycloalkylmethyl optionally ring-substituted by one or more fluorine atoms; and
R? is phenyl optionally substituted by one or more fluorine atoms: or a pharmaceutically acceptable salt or solvate thereof.
According to a second aspect of the present invention, there is provided a compound of formula (1A),
R
C
: oA Nr J a
NN
- FT wherein R' represents either Cas cycloalkyl optionally substituted by one or more fluorine atoms, or C, ; alkyl optionally substituted by one or more : fluorine atoms, or a pharmaceutically acceptable salt or solvate thereof. : “C,, alkyl " in the definition of R' includes straight-chain and branched ’ 5 groups. Examples of alkyl include methyl, ethyl, n-propyl, i-propyl, n-butyl, i- butyl, sec-butyl and t-butyl. “C,, cycloalkyl” means cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl.
The compounds of formula (1) contain a basic centre and suitable acid addition salts are formed from acids which form non-toxic salts. Examples include the hydrochloride, hydrobromide, hydroiodide, sulphate, bisulphate, nitrate, phosphate, hydrogen phosphate, acetate, maleate, fumarate, lactate, tartrate, citrate, gluconate, camsylate, succinate, saccharate, benzoate, methanesulphonate, ethanesulphonate, benzenesulphonate, p-toluenesulphonate and pamoate salts. For a review on suitable salts see
Berge et al, J. Pharm. Sci., 66, 1-19, 1977.
The pharmaceutically acceptable solvates of the compounds of the formula (1) or salts thereof include the hydrates thereof.
Also included within the present scope of the compounds of the formula (1) are polymorphs thereof.
A compound of the formula (I) contains one or more asymmetric carbon atoms and therefore exists in two or more stereoisomeric forms. The present invention includes the individual stereoisomers of the compounds of the formula (1) and, where appropriate, the individual tautomeric forms thereof, together with mixtures thereof.
Separation of diasterecisomers may be achieved by conventional techniques, e.g. by fractional crystallisation, chromatography or H.P.L.C. of a . stereoisomeric mixture of a compound of the formula (1) or a suitable salt or derivative thereof. An individual enantiomer of a compound of the formula (1) ' may also be prepared from a corresponding optically pure intermediate or by resolution, such as by H.P.L.C. of the comresponding racemate using a suitable chiral support or by fractional crystallisation of the diastereoisomeric salts formed by reaction of the corresponding racemate with a suitable optically active acid or base, as appropriate. . The invention also includes isotopically labelled compounds of the : formula (1). . 5 y
Preferably, R’ is either C,, cycloalkyl optionally substituted by one or two fluorine atoms, or C,_, alkyl optionally substituted by from one to three - fluorine atoms.
Preferably, R’ is either cyclobutyl, cyclopentyl, 4 4-difluorocyclohexyl or 3,3,3-trifluoropropyl.
Preferably, R? is phenyl optionally substituted by 1 or 2 fluorine atom(s).
Preferably, R? is phenyl or monofluorophenyl.
Preferably, R? is phenyl or 3-fluorophenyl.
Preferred compounds of the formula (1) include
N-{(1S)-3-[3-(3-Isopropyi-5-methyl-4H-1,2,4-triazol-4-yl}-exo-8- azabicyclo[3.2.1]oct-8-yi]-1-phenylipropyl}cyclobutanecarboxamide;
N-{(1S)-3-[3-(3-Isopropyl-5-methyl-4H-1,2,4-triazol-4-yl}-exo-8- azabicyclo[3.2.1]oct-8-yi]-1-phenylpropyl}cyclopentanecarboxamide;
N-{(1S)-3-[3-(3-Isopropyl-5-methyl-4H-1,2 4-triazol-4-yl}-exo-8- azabicyclo[3.2.1]oct-8-yl}-1-phenylpropyi}-4,4 4-triflucrobutanamide;
N-{(1S)-3-[3-(3-Isopropyl-5-methyl-4H-1,2,4-triazol-4-yl}-exo-8- azabicyclo[3.2. 1]oct-8-yi}-1-phenylpropyi}-4,4- difluorocyclohexanecarboxamide; and
N-{(1S)-3-{3-(3-isopropy-5-methyl-4H-1,2,4-triazok-4-yl)-ex0-8- : azabicyciof3.2. 1joct-8-yi}-1-{3-fluorophenyl)propyl}-4.4- difluorocyclohexanecarboxamide: or a pharmaceutically acceptable salt or ) solvate of any thereof.
}
The compounds of the formula (I) may be prepared by the following general methods in which R' and R? are as previously defined for a compound of the . formula (1) unless otherwise stated. ) 5 1. A compound of the formula (I) may be prepared by reacting a sl compound of formula:
HC. CH,
NH, Nr I a
AN
I NPN = N
N
H,C with a compound of formula: : R'CO,H (ny under conventional coupling conditions.
The reaction is preferably carried out in the presence of a suitable coupling agent (for example, N-benzyl-N’'-cyclohexylcarbodiimide (which may be polymer-bound), or hydroxybenzotriazole hydrate and 1-(3- dimethylaminopropyl)-3-ethyicarbodiimide methiodide), at about room temperature, in a solvent that does not adversely affect the reaction, for example, dichloromethane. Further suitable coupling conditions are described in Method 2 below.
The compounds of formula (111) are either known or are prepared using . The compounds of the formula (II) may be prepared as shown in
Scheme 1 below.
2. The compounds of the formula (I) may be prepared as shown in
Scheme 1.
Scheme 1
P<
NH, O NH O
AN AN
(Iv) WV)
P —N
PL =A
NH O NH MN. N
SAN, — A | 1 (V1) (vil)
N= \ \
NH, N__N (n) -_— (1) wherein P is a suitable protecting group such as t-butyloxycarbonyl, benzyl or benzyloxycarbonyl and the compounds of the formula (Il) and (VII) are in the exo form. In a typical procedure, where P is t-butyloxycarbonyi, an ) amine of the formula (IV) is reacted with di-tert-butyl dicarbonate in the presence of a base acceptor such as aqueous sodium hydroxide and in a suitable solvent such as tetrahydrofuran.
~The protected amine of the formula (V) may be reduced to an aldehyde of the formula (V!) using a suitable reducing agent, e.g., using : diisobutylaluminium hydride in dichloromethane at below -70°C.
Reductive amination reaction of the aldehyde of the formula (VI) with an amine of the formula (in the exo form): :
N=N \
N_~ N
SJL
(VIA) leads to a compound of the formula (V11). The reaction may be carried out in the presence of an excess of a suitable reducing agent, e.g. sodium triacetoxyborohydride or sodium cyanoborohydride, in a protic solvent system e.g., acetic acid in either dichloromethane or 1,1,1-trichloroethane, at room temperature.
Deprotection of a compound of the formula (Vil) may be accomplished using conventional conditions. Where P is t-butyloxycarbonyl this may be achieved using trifluoroacetic acid or aqueous hydrochloric acid in a solvent such as dichloromethane or methanol at room temperature.
A compound of the formula (11) prepared may be converted to a compound of the formula (I) by’ reaction with a compound of the formula:
R'COZ. : (ViB)
wherein Z is a carboxylic acid activating group such as chloro or 1H- imidazol-1-yl, using conventional conditions, e.g. using N,N'- : carbonyldiimidazole, triethylamine and dichloromethane.
Preferably, a compound of the formula (VIB) is generated in situ from a compound of the formula (lll) using a carbodiimide such as 3-(3- dimethylamino-1-propyl}-1-ethylcarbodiimide or N-benzyl-N'- cyclohexylcarbodiimide-polymer bound, optionally in the presence of 1- hydroxybenzotriazole hydrate, and reacted with a compound of the formula (1). The reaction may be performed in a suitable solvent such as dichloromethane, tetrahydrofuran or ethyl acetate, optionally in the presence of a base such as a tertiary amine, e.g. triethylamine or N- ethyldiisopropylamine, at about room temperature.
Alternatively, the acid of the formula (lll) may be first activated with benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphate (BOP), bromo-tris-pyrrolidinophosphonium hexafiuorophosphate (PYBrOP), or 2-fluoro-1-methyipyridinium p-toluenesulphonate (Mukaiyama's reagent) in the presence of an excess of N-methyimorpholine, triethylamine or N- ethyldiisopropylamine in a suitable solvent such as tetrahydrofuran, dichloromethane or ethyl acetate, at room temperature to provide a compound of the formula (VIB) and this is reacted with a compound of the formula (11).
Alternatively, an acid chloride of formula (VIB) wherein Z is chloro may be reacted with a compound of the formula (il), optionally in the presence of a suitable base, e.g. triethylamine, N-ethyidiisopropylamine, sodium carbonate, potassium carbonate or sodium bicarbonate, and in a suitable solvent such as dichloromethane, ethyl acetate, THF or toluene, at room temperature. : It will be appreciated that the transformation of a compound of the formula (Vii) to a compound of the formula (I) via a compound of the formula (1) can be performed in a "one-pot procedure” by deprotection/coupling using similar methods to those previously described.
A compound of the formula (VIA) may be prepared as shown in
Scheme 2.
Scheme 2 © AN
I — a piN pt _N (vin) (1X)
Sf SIT oO p'~ N pr
X) (x1
N=N \ 3 NN — (VIA)
Pp? N 1 (xm) ; wherein P'is a suitable protecting group such as t-butyloxycarbonyl or benzyl and the compounds of the formulae (X), (Xl) and (Xi) are in the exo form.
An oxime of the formula (IX) may be prepared by the condensation of a ketone of the formula (VIIl) with hydroxylamine hydrochloride in the : presence of a base, e.g. pyridine, and in a suitable solvent, typically ethanol.
The reaction is typically carried out at the reflux temperature of the solvent.
Where P' is t-butyloxycarbonyl or benzyl, reduction of an oxime of the formula (IX) may be achieved using sodium in the presence of an alcohol, typically pentanol, or by electrochemical reduction, to provide an amine of the formula (X).
An amide of the formula (XI) may be prepared by coupling the protected amine of the formula (X) with 2-methylpropanoic acid, or an activated derivative thereof. The coupling may be achieved using conventional amide bond forming techniques, such as as described in
Methods 1 and 2 above. Typically, the acid may be first activated using a carbodiimide such as 1-(3-dimethylaminopropyl)}-3-ethyl-carbodiimide, optionally in the presence of 1-hydroxybenzotriazole, in a suitable solvent such as dichloromethane, and in the presence of a base, e.g. a tertiary amine such as triethylamine or diisopropylamine, and then reacted with the amine of the formula (X). Alternatively, the reaction may be performed using 2- methylpropanoyl chloride in the presence of a base such as sodium carbonate and a suitable solvent, e.g. dichloromethane.
A triazole of the formula (XII) may be prepared in a “one-pot”, two-step procedure by first coupling an amide of the formula (XI) with acetic hydrazide followed by in-situ cyclo-condensation. Typically, the amide is first activated with phosphorous oxychloride in a solvent such as chloroform and in the presence of a base, e.g. pyridine, at 0°C, then treated with acetic hydrazide in a suitable solvent, e.g. chloroform, and the reaction heated under reflux. The : reaction may be driven to completion in the presence of an acid, e.g. p- toluenesulphonic acid, and in a suitable solvent such as toluene at elevated temperature (e.g., 110°C).
Deprotection of the compound of the formula (XI) using standard methodology provides the amine of the formula (VIA). Typically, where P' is
11 a benzyl, deprotection is performed by catalytic hydrogenation such as using palladium (Il) hydroxide as the catalyst in a suitable solvent, e.g. ethanol, in the presence of ammonium formate at 70°C. Alternatively, the deprotection may be performed by catalytic hydrogenation using palladium-on-charcoal as the catalyst in a suitable solvent such as methanol, optionally in the presence of a suitable acid such as p-toluenesulphonic acid. 3. The compounds of the formula (I) may be prepared as shown in
Scheme 3.
Scheme 3
Me_ _Me 0)
J Ar I NPN o) De aA COR’ + N Nn — AA, SN (Xin) Me J=N (V1) Xv) Me
Ea— wherein R? is H or C.-C; alkyl.
An amide of the formula (XIV) may be formed by conventional amide bond formation techniques such as by first activating an acid of the formula (XIII) (wherein R® is H) either as an acid chioride or using other procedures as "described above in Methods 1 and 2, followed by reaction with the amine of =~ : the formula (VIA). Altematively an ester of the formula (XIII) (wherein R® is C,-
Cg alkyl) may reacted directly with the amine or a metal salt thereof. Thus the acid chloride and the amine, or a salt thereof, may be reacted in the presence of an excess of a suitable base, e.g. Na,CO,, NaHCO, K,CO,, triethylamine or N,N-diisopropylethylamine, and in a suitable solvent, e.g. ’ dichloromethane, ethyl acetate, THF or toluene, with or without water as a co- solvent. Altematively the acid may be activated with 1-[3- (dimethylamino)propyi]-3-ethylcarbodiimide hydrochloride (WCD1), CDI (1,1'- carbonyldiimidazole) or DCC (1,3-dicyclohexylicarbodiimide) and HOAT (1- hydroxy-7-azabenzotriazole) or HOBT (1-hydroxybenzotriazole hydrate), and reacted with the amine in the presence of a base, e.g. triethylamine, in a solvent such as THF, dichloromethane or toluene. Also, the ester and the amine or a metal salt thereof, may reacted together in the presence of a base, e.g. triethylamine, and an optional catalyst in a solvent such as dichloromethane, ethyl acetate, THF or toluene, with or without water as co- solvent. Alternatively, the ester, the amine and an enzyme-catalyst may be reacted together in a solvent such as dichloromethane, ethyl acetate, THF or toluene, with or without water as co-solvent. Preferably, the acid chloride, the amine and Na,CO, are reacted together in dichloromethane and water, or the acid is treated with N,N'-carbonyldiimidazole to form the imidazolide and then reacted with the amine in dichloromethane in the presence of triethylamine.
The amide of the formula (XIV) may be reduced, such as by using a nucleophilic hydride reagent or an electrophilic hydride reagent, or by catalytic hydrogenation, or by using an alkyl or aryl-silane with a suitable transition metal catalyst, to provide a compound of the formula (1). Typical conditions include using Red-Al® (sodium bis(2-methoxyethoxy)aluminium hydride) in
THF or toluene, or borane in THF. : 4 The compounds of the formula (I) may be prepared as shown in
Scheme 4. :
Scheme 4 lo} 0 a RN
NA _— a As_cHo + vA) —— (1) (xv) [1 %))) wherein Y is -CO,R* , -CN or -C(O)NHR*, wherein R* is H or C,-C, alkyl.
The reaction to prepare an aldehyde of the formula (XVI) may be performed by reduction of an ester, nitrile, amide or acid (e.g. activated by a suitable reagent) of the formula (XV), such as with a hydride reducing agent in a suitable solvent. Alternatively, reduction of an ester, nitrile or acid (activated by a suitable reagent) of the formula (XV) may be achieved with a suitable transition metal catalyst, a hydrogen source and in a suitable solvent.
Typical conditions include reducing the ester, nitrile or amide with an aluminium or boron hydride such as DIBAL (diisobutylaluminium hydride),
Red-Al®, LiAl(O(t-Bu)), or (Me,CHCH(Me)),BH in a solvent such as THF, dichloromethane or toluene; or reducing the acid chloride with a transition metal catalyst such as Pd/C or Pd/BaSO,, under hydrogen with a modifier such as 2,4-dimethylpyridine and in solvent such as THF or toluene.
Preferred conditions include reducing the ester with DIBAL in dichloromethane or toluene.
A compound of the formula (I) may be prepared by reductive amination using the aldehyde of the formula (XVI) and the amine of the formula (VIA), or salt thereof. Typically the reaction may be performed by reacting the aldehyde with 0.8-1.5 mol eq. of the amine, or salt thereof, optionally in the presence of 0.1-3 mol eq. of a protic acid, with either a reducing agent such as sodium triacetoxyborohydride or sodium cyanoborohydride, or using a catalytic transition metal catalyst such as palladium, platinum or rhodium and a hydrogen source such as molecular hydrogen or ammonium formate, in a suitable solvent such as dichloromethane, acetonitrile, toluene, ethanol or 2- propanol. Preferably the aldehyde is reacted with the tosylate salt of the amine in the presence of sodium triacetoxyborohydride and a trace of acetic acid in dichloromethane at ambient temperature.
An aldehyde of the formula (XV!) may also be prepared from an alcohol of the formula: 0]
RN
Nw (XVIA) by standard oxidation techniques, for example, using an oxidising agent such as DMSO/sulphur trioxide-pyridine complex, DMSO with (COCI),, MnO, or
CrO,, with or without a base, in a suitable solvent such as dichloromethane, toluene, acetone or acetonitrile; using a transition metal catalyst such as Rh or Ru, with or without a base, and a hydride acceptor such as a ketone, in a suitable solvent such dichloromethane, acetone, toluene or acetonitrile; or using a catalytic oxidant such as TPAP (tetrapropylammonium perruthenate) or TEMPO (2,2,6,6-tetramethyl-1-piperidinyloxy, free radical), with or without a solid support, with a stoichiometric re-oxidant for the catalyst such as NMO (4-methylmorpholine N-oxide), oxygen or sodium hypochiochlorite or hypobromite, and in a suitable solvent such as dichloromethane, acetone, toluene or acetonitrile. Preferred conditions include using DMSO, sulphur trioxide-pyridine complex and triethylamine in dichloromethane, or TEMPO,
KBr, NaOCl, water and dichloromethane. ’ 5. The compounds of the formula (I) may be prepared by reductive - amination of a compound of the formula (XV) wherein Y is -CN and an oo 25 amine of the formula (VIA), or salt thereof. The reduction may be : performed using a transition metal catalyst, optionally in the presence of an acid, and a hydrogen source, in a suitable solvent. In a typical procedure palladium-on-charcoal or platinum (IV) oxide and a solvent such as methanal, acetic acid or 2-propanol are used. 6. The compounds of the formula (I) may be prepared by alkylation of an amine of the formula (VIA), or a salt (acid addition or metal salt) thereof, using a compound of the formula: 0)
RA NH
NN
(Xvi) wherein Z' is a leaving group such as halo, C,-C, alkanesulphonyloxy, benzenesulphonyloxy or p-toluenesulphonyloxy, optionally in the presence of a base and/or a phase transfer catalyst.
The reaction may typically be carried out in the presence of a base such as triethylamine or N,N-diisopropylethylamine; DBU (1,8- diazabicyclo[5,4,0]lundec-7-ene; or an inorganic base such as Na,CO,;,
NaHCO, K,CO, or Cs,CO,: optionally in the presence of a phase transfer catalyst, and in a solvent such as acetonitrile, DMF (dimethylformamide),
DMSO (dimethylsulphoxide), 1,4-dioxane, THF or toluene. Alternatively, a metal salt of the amine (i.e. a deprotonated form) may be reacted with a compound of the formula (XVII) in a suitable solvent such as THF, DMF or 1,4-dioxane. Preferably the reaction is carried out by reacting the amine and a compound of the formula (xvi) with either DBU in acetonitrile or K,CO, and 18-crown-6 (1,4,7,10,13,16-hexaoxacyclooctadecane) in THF. ) 7. The compounds of the formula (1) may be prepared as shown in
Scheme 5.
Scheme 5 : ) 0
Me __Me oO I RA, Me Me
PW. SN AL (XVill =N
Me (XX) Me — I)
A compound of the formula (XVIII) may be prepared by the Mannich reaction 5 of a compound of the formula :
R*COCH, (XX) with a compound of the formula (VIA), or salt thereof, formaldehyde or an equivalent thereof, with or without acid present, in a suitable solvent. Typical conditions include reacting the amine and the ketone with an acid such as hydrochloric acid, sulphuric acid, p-toluenesulphonic-acid or acetic acid, and paraformaldehyde in a suitable solvent such as ethanol, methanol, 2-propanol or DMF: or reacting the amine salt (such as the hydrochloride, sulphate or tosylate salt) with the ketone and paraformaldehyde in a in a suitable solvent such as ethanol, methanol, 2-propanol or DMF.
Alternatively a compound of the formula (XVIII) may be prepared by reacting a compound of the formula (VIA), or salt thereof, with a compound of the formula:
R*COCH,CH,Z? (XXI)
wherein 72 is a leaving group such as as previously defined for Z', using standard alkylation conditions such as as described for Method 6 above. ) An enamide of the formula (XIX) may be prepared by reaction of a compound of the formula (XVII!) with an amide of the formula:
R'CONH,
Xi) under dehydration conditions, with or without an acid catalyst present, and in a suitable solvent; or by reaction of a compound of the formula (XVIII) first with hydroxylamine, or salt thereof, and then reacting the intermediate product with an acid anhydride of the formula: (R'C0),0 (XX) , a transition metal catalyst, and an acid in a suitable solvent; or by reacting a compound of the formula (XVII) first with ammonia, or a salt thereof, and then reacting the intermediate product with an acid of the formula (lll), or an activated derivative thereof, under standard conditions. Typically a compound of the formula (XVIll) is reacted with an amide of the formula (XX!) in the presence of a catalytic amount of acid with azeotropic removal of water or removal of water using a dehydrating agent such as molecular sieves.
A compound of the formula (I) may be prepared by asymmetric reduction of an enamide of the formula (XIX) such as by using 0.001-0.1mol eq. of transition metal such as Rh, Ru, Pd, Pt, Ir, or Ti, 0.001-0.2 moleq. of a chiral ligand such as BINAP (2,2-bis(diphenylphosphino)-1,1"-binaphthyl), tol-
BINAP (2,2-bis(di-p-tolylphosphino)-1,1’-binaphthyl), Du-PHOS (1,2-bis(2,5- dimethyiphospholano)benzene) or Penn-Phos (P,P’-1,2-phenyienebis(endo-
2,5-dimethyl-7-phosphabicyclo[2,2,1]heptane), a hydrogen donor such as molecular hydrogen, phenylsilane, 2-propanol or ammonium formate, and a suitable solvent such as methanol, ethanol, acetonitrile, toluene, ethyl acetate, 2-propanol or THF, at from 0°C to the reflux temperature and optionally at an elevated pressure. 8. A compound of the formula (I) may be prepared as shown in Scheme 6.
Scheme 6 o AL NH, AL
RANA NN a» RAN NSN
Xvi) a N (MA) WN
Me. __Me _
NH, IT
I SW. SA. I an w
A ketone of the formula (XVIII) may be converted to a racemic amine of the formula (IIA) by reductive amination under conventional conditions using ammonia, or equivalent thereof, and a reducing agent in a suitable solvent.
The racemic amine of the formula (IlA) may be resolved to provide an amine of the formula (11) by standard techniques such as by using classical,
The amine of the formula (II) may be converted to a compound of the . formula (1) by the routes described in Methods 1 and 2.
Alternatively, a racemic amine of the formula (1A) may be converted to a compound of the formula (1) using a compound of the formula (111), or a suitable activated derivative thereof, a chiral catalyst, optionally using a catalyst for racemization of the unwanted isomer present, and a suitable solvent.
The amine of the formula (ll), or a metal salt thereof (i.e. a deprotonated form), may also be converted to a compound of the formula (I) by reaction with an ester of the formula:
R'COR® (XXIV) wherein R® is an ester-forming group such as C,-C; alkyl. Typically the reaction may be carried out by reacting the ester and the amine, or metal salt thereof, with an excess of a base such as triethylamine and an optional catalyst in a solvent such as dichloromethane, ethyl acetate, THF or toluene, with or without water present as a co-solvent: or by reacting the ester and the amine in the presence of an enzyme-catalyst in a solvent such as dichloromethane, ethyl acetate, THF or toluene, with or without water present as a co-solvent.
All of the above reactions and the preparations of novel starting materials using in the preceding methods are conventional and appropriate reagents and reaction conditions for their performance or preparation as well as procedures for isolating the desired products will be well-known to those skilled in the art with reference to literature precedents and the Examples and
Preparations hereto. } A pharmaceutically acceptable salt of a compound of the formula (1) may be readily prepared by mixing together solutions of a compound of the formula (1) and the desired acid. The salt may precipitate from solution and be collected by filtration or may be recovered by evaporation of the solvent.
The compounds of formula (1), and their pharmaceutically acceptable salts, are useful because they have pharmacological activity in animals, : including humans. More particularly, they are useful in the treatment of a disorder in which the modulation of CCR5 receptors is implicated. Disease states that may be mentioned include HIV, a retroviral infection genetically related to HIV, AIDS, or an inflammatory disease. The compounds of formula (1), and their pharmaceutically acceptable salts, may be administered alone or as part of a combination therapy.
The compounds of this invention may be used for treatment of respiratory disorders, including adult respiratory distress syndrome (ARDS), bronchitis, chronic bronchitis, chronic obstructive pulmonary disease, cystic fibrosis, asthma, emphysema, rhinitis and chronic sinusitis. Other conditions that may be treated are those triggered, affected or are in any other way correlated with T-cell trafficking in different organs. It is expected that the compounds of this invention may be useful for the treatment of such conditions and in particular, but not limited to the following for which a correlation with CCR5 or CCRS chemokines has been established: inflammatory bowel disease, inciuding Crohn's disease and ulcerative colitis, multiple sclerosis, rheumatoid arthritis, graft rejection, in particular but not limited to kidney and lung allografts, endometriosis, type | diabetes, renal diseases, chronic pancreatitis, inflammatory lung conditions or chronic heart failure. For a recent review of possible applications of chemokines and chemokine receptor blockers see Cascieri, M.A., and Springer, M.S., “The chemokine/chemokine receptor family: potential and progress for therapeutic intervention”, Curr. Opin. Chem. Biol., 4(4), 420-7 (August 2000).
The utility of the compounds of formula (1), and their pharmaceutically : acceptable salts, as inhibitors of HIV infection may be demonstrated by any one or more methodologies known in the art, such as by using the HIV microculture assays described in Dimitrov ef al., J. Clin. Microbiol., 28, 734- 737 (1990), and the pseudotyped HIV reporter assay described in Connor et al., Virology, 206 (2) 935-44 (1995).
The ability of the compounds of formula (I), and their pharmaceutically acceptable salts, to modulate chemokine receptor activity is demonstrated by methodology known in the art, such as by using the assay for CCRS binding following procedures disclosed in Combadiere et al., J. Leukoc. Biol., 60, 147-52 (1996); and/or by using the intracellular calcium mobilisation assays as described by the same authors. Cell lines expressing the receptor of interest include those naturally expressing the receptor, such as PM-1, or
IL-2 stimulated peripheral blood lymphocytes (PBL), or a cell engineered to express a recombinant receptor, such as CHO, 300.19, L1.2 or HEK-293.
The compounds of the formula (I) can be administered alone but will generally be administered in admixture with a suitable pharmaceutical excipient, diluent or carrier selected with regard to the intended route of administration and standard pharmaceutical practice.
For example, the compounds of the formula (I) can be administered orally, buccally or sublingually in the form of tablets, capsules, multi- particulates, gels, films, ovules, elixirs, solutions or suspensions, which may contain flavouring or colouring agents, for immediate-, delayed-, modified-, sustained-, pulsed- or controlled-release applications. The compounds of the formula (1) may also be administered as fast-dispersing or fast-dissolving dosage forms or in the form of a high energy dispersion or as coated particles. Suitable formulations of the compounds of the formula (I) may be in coated or uncoated form, as desired.
Such solid pharmaceutical compositions, for example, tablets, may contain excipients such as microcrystalline cellulose, lactose, sodium citrate, calcium carbonate, dibasic calcium phosphate, glycine and starch (preferably corn, potato or tapioca starch), disintegrants such as sodium starch glycollate, croscarmeliose sodium and certain complex silicates, and granulation binders such as polyvinylpyrrolidone, hydroxypropyimethyicellulose (HPMC), hydroxypropyicellulose (HPC), sucrose, gelatin and acacia. Additionally, lubricating agents such as magnesium stearate, stearic acid, glyceryl behenate and talc may be included.
General Example
A formulation of the tablet could typically contain from 0.01mg to 500mg of active compound whilst tablet fill weights may range from 50mg to 1000mg.
An example of a formulation for a 10mg tablet is illustrated below:
Ingredient Y%wiw
Compound of the formula (1) or salt 10.000"
Lactose 64.125
Starch 21.375
Croscamellose sodium 3.000
Magnesium stearate ~ 1.500 * Quantity adjusted in accordance with drug activity.
The tablets are manufactured by a standard process, for example, direct compression or a wet or dry granulation process. The tablet cores may be coated with appropriate overcoats. :
Solid compositions of a similar type may also be employed as fillers in gelatin or HPMC capsules. Preferred excipients in this regard include lactose, starch, a cellulose, milk sugar or high molecular weight polyethylene glycols. For aqueous suspensions and/or elixirs, the compounds of the formula (I) may be combined with various sweetening or flavouring agents, colouring matter or dyes, with emulsifying and/or suspending agents and with diluents such as water, ethanol, propylene glycol and glycerin, and combinations thereof. : The compounds of the formula (1) can also be administered parenterally, for example, intravenously, intra-arterially, intraperitoneally, intrathecally, intraventricularly, intraurethrally, intrasternally, intracranially,
intramuscularly or subcutaneously, or they may be administered by infusion or needleless injection techniques. For such parenteral administration they are best used in the form of a sterile aqueous solution which may contain other substances, for example, enough salts or glucose to make the solution isotonic with blood. The aqueous solutions should be suitably buffered (preferably to a pH of from 3 to 9), if necessary. The preparation of suitable parenteral formulations under sterile conditions is readily accomplished by standard pharmaceutical techniques well-known to those skilled in the art.
For oral or parenteral administration to human patients the daily dosage levels of compounds of formula (1), and their pharmaceutically acceptable salts, will be from 0.01 to 30 mg/kg (in single or divided doses) and preferably will be in the range 0.01 to 15 mg/kg. Thus tablets will contain 1mg to 0.5g of compound for administration singly or two or more at a time, as appropriate.
The physician in any event will determine the actual dosage which will be most suitable for any individual patient and it will vary with the age, weight and response of the particular patient. The above dosages are exemplary of the average case. There can, of course, be individual instances where higher or lower dosage ranges are merited and such are within the scope of this invention.
Oral administration is preferred. Preferably, administration takes place shortly before an effect is required.
The compounds of formula (I) can also be administered intranasally or by inhalation and are conveniently delivered in the form of a dry powder inhaler or an aerosol spray presentation from a pressurised container, pump, spray, atomiser or nebuliser, with or without the use of a suitable propellant, e.g. dichlorodifluoromethane, trichlorofluoromethane, : dichlorotetrafluoroethane, a hydrofiuoroalkane such as 1,1,1,2- tetrafluoroethane (HFA 134A [trade mark]) or 1,1,1,2,3,3,3- heptafluoropropane (HFA 227EA [trade mark]), carbon dioxide or other suitable gas. In the case of a pressurised aerosol, the dosage unit may be determined by providing a valve to deliver a metered amount. The
’ pressurised container, pump, spray, atomiser or nebuliser may contain a solution or suspension of the active compound, e.g. using a mixture of ethanol and the propellant as the solvent, which may additionally contain a lubricant, e.g. sorbitan trioleate. Capsules and cartridges (made, for example, from gelatin) for use in an inhaler or insuffiator may be formulated to contain a powder mix of a compound of the formula (I) and a suitable powder base such as lactose or starch.
Aerosol or dry powder formulations are preferably arranged so that each metered dose or “puff” contains from 1ug to 10mg of a compound of the formula (I) for delivery to the patient. The overall daily dose with an aerosol will be in the range of from 1ug to 20mg which may be administered in a single dose or, more usually, in divided doses throughout the day.
Alternatively, the compounds of the formula (I) can be administered in the form of a suppository or pessary, or they may be applied topically in the form of a gel, hydrogel, lotion, solution, cream, ointment or dusting powder.
The compounds of the formula (I) may also be dermally or transdermally administered, for example, by the use of a skin patch. They may also be administered by the pulmonary or rectal routes.
They may also be administered by the ocular route, particularly for treating inflammatory conditions or diseases of the eye. For ophthalmic use, the compounds can be formulated as micronised suspensions in isotonic, pH adjusted, sterile saline, or, preferably, as solutions in isotonic, pH adjusted, sterile saline, optionally in combination with a preservative such as a benzylalkonium chloride. Alternatively, they may be formulated in an ointment such as petrolatum.
For application topically to the skin, the compounds of the formula (1) : can be formulated as a suitable ointment containing the active compound suspended or dissolved in, for example, a mixture with one or more of the : | following: mineral of, liquid petrolatum, white petrolatum, propylene glycol, polyoxyethylene polyoxypropylene compound, emulsifying wax and water.
Alternatively, they can be formulated as a suitable lotion or cream, suspended or dissolved in, for example, a mixture of one or more of the following: : mineral oil, sorbitan monostearate, a polyethylene glycol, liquid paraffin, . polysorbate 60, cetyl esters wax, cetearyl alcohol, 2-octyldodecanol, benzyl! alcohol and water. i's The compounds of the formula (I) may also be used in combination with a cyclodextrin. Cyclodextrins are known to form inclusion and non- inclusion complexes with drug molecules. Formation of a drug-cyclodextrin complex may modify the solubility, dissolution rate, bioavailability and/or stability property of a drug molecule. Drug-cyclodextrin complexes are generally useful for most dosage forms and administration routes. As an alternative to direct complexation with the drug the cyclodextrin may be used as an auxiliary additive, e.g. as a carrier, diluent or solubiliser. Alpha-, beta- and gamma-cyclodextrins are most commonly used and suitable examples are described in WO-A-91/11172, WO-A-94/02518 and WO-A-98/55148.
The compounds of formula (I), and their pharmaceutically acceptable salts, have the advantage that they are more selective, have a more rapid : onset of action, are more potent, are more stable, are more resistant to metabolism, or have other more desirable properties than the compounds of the prior art. "Included within the scope of the present invention are embodiments comprising coadministration of, and compositions which contain, in addition to a compound of the present invention as active ingredient, additional therapeutic agents and active ingredients. Such multiple drug regimens, often referred to as combination therapy, may be used in the treatment and prevention of any of the diseases or conditions mediated by or associated with CCR5 chemokine receptor modulation, particularly infection by human immunodeficiency virus, HIV. The use of such combinations of therapeutic agents is especially pertinent with respect to the treatment and prevention of ) infection and muttiplication of the human immunodeficiency virus, HIV, and related pathogenic retroviruses within a patient in need of treatment or one at risk of becoming such a patient. The ability of such retroviral pathogens to evolve within a: relatively short period of time into strains resistant to any monotherapy which has been administered to said patient is well known in the literature.
In addition to the requirement of therapeutic efficacy which may necessitate the use of active agents in addition to the CCR5 chemokine receptor modulating compounds of formula (1), and their pharmaceutically acceptable salts, there may be additional rationales which compel or highly recommend the use of combinations of drugs involving active ingredients which represent adjunct therapy, i.e., which complement and supplement the function performed by the CCR5 chemokine receptor modulating compounds of the present invention. Such supplementary therapeutic agents used for the purpose of auxiliary treatment include drugs which, instead of directly treating or preventing a disease or condition mediated by or associated with CCR5 chemokine receptor modulation, treat diseases or conditions which directly result from or indirectly accompany the basic or underlying CCR5 chemokine receptor modulated disease or condition. For example, where the basic
CCR5 chemokine receptor modulated disease or condition is HIV infection and multiplication, it may be necessary or at least desirable to treat opportunistic infections, neoplasms, and other conditions which occur as the result of the immune-compromised state of the patient being treated. Other active agents may be used with the compounds of formula (1), and their pharmaceutically acceptable salts, e.g., in order to provide immune stimulation or to treat pain and inflammation which accompany the initial and fundamental HIV infection.
Thus, the methods of treatment and pharmaceutical compositions of the present invention may employ the compounds of formula (1), and their pharmaceutically acceptable salts, in the form of monotherapy, but said methods and compositions may also be used in the form of muitiple therapy in which one or more compounds of formula (I), or their pharmaceutically - acceptable salts, are coadministered in combination with one or more known therapeutic agents such as those described in detail further herein.
Preferred combinations of the present invention include simultaneous, or sequential treatments with a compound of formula (1), or a pharmaceutically acceptable salt thereof, and one or more inhibitors of HIV protease and/or inhibitors of HIV reverse transcriptase, preferably selected ) 5 from the class of non-nucleoside reverse transcriptase inhibitors (NNRTI), including but not limited to nevirapine, delavirdine and efavirenz; from among the nucleoside/nucdlectide inhibitors, including but not limited to zidovudine, didanosine, zalcitabine, stavudine, lamivudine, abacavir, adefovir and dipivoxil; and from among the protease inhibitors, including but not limited to indinavir, ritonavir, saquinavir, nelfinavir, lopinavir and amprenavir. Other agents useful in the above-described preferred embodiment combinations of the present invention include current and to-be-discovered investigational drugs from any of the above classes of inhibitors, including but not limited to
FTC, PMPA, fozivudine tidoxil, talviraline, S-1153, MKC-442, MSC-204, MSH- 372, DMP450, PNU-140690, ABT-378 and KNI-764. There is also included within the scope of the preferred embodiments of the present invention, combinations of a compound of formula (I), or a pharmaceutically acceptable salt thereof, together with a supplementary therapeutic agent used for the purpose of auxiliary treatment, wherein said supplementary therapeutic agent comprises one or more members independently selected from the group consisting of proliferation inhibitors, e.g., hydroxyurea; immunomodulators, e.g., sargramostim, and various forms of interferon or interferon derivatives; fusion inhibitors, e.g., AMD3100, T-20, PRO-542, AD-349, BB-1 001 0 and other chemokine receptor agonists/antagonists; tachykinin receptor modulators, e.g. NK1 antagonists; integrase inhibitors, e.g., AR177; RNaseH inhibitors; inhibitors of viral transcription and RNA replication: and other . agents that inhibit viral infection or improve the condition or outcome of HIV- infected individuals through different mechanisms. : Preferred methods of treatment of the present invention for the prevention of HIV infection, or treatment of aviremic and asymptomatic subjects potentially or effectively infected with HIV, include but are not limited
Claims (1)
- ) 1. A compound of the formula: Rr C Sy Bee NH Nr I Ay N* SN rR? N=N HC wherein R! is C,, cycloalkyl optionally substituted by one or more fluorine atoms, or C, alkyl optionally substituted by one or more fluorine atoms, or C,, cycloalkylmethy! optionally ring-substituted by one or more fluorine atoms; and R? is phenyl optionally substituted by one or more fluorine atoms: or a pharmaceutically acceptable salt or solvate thereof.2. A compound as claimed in claim 1 of the formula: R! C Sle I dey N™ SN OT‘ H.C wherein R! represents either C,, cycloalkyl optionally substituted by one or : more fluorine atoms, or C, , alkyl optionally substituted by one or more fluorine atoms, or a pharmaceutically acceptable salt or solvate thereof.3. A compound as claimed in claim 1 wherein R' is either Cus cycloalkyl optionally substituted by one or two fluorine atoms, or C,_, alkyl optionally ) substituted by from one to three fluorine atoms.4. A compound as claimed in claim 3 wherein R' is either cyciobutyl, cyclopentyl, 4,4-difluorocyclohexyl or 3,3,3-trifluoropropyl.5. A compound as claimed in claim 1, 3 or 4 wherein R? is phenyl optionally substituted by 1 or 2 fluorine atom(s).6. A compound as claimed in claim 5 wherein R? is phenyl or monofiuorophenyl.7. A compound as claimed in claim 6 wherein R? is phenyl or 3-flucrophenyi.8. A compound as claimed in claim 1 which is selected from the group consisting of: N-{(1S)-3-[3-(3-Isopropyl-5-methyl-4H-1,2,4-triazol-4-yl}-exo-8- azabicyclo[3.2.1]oct-8-yi}-1-phenylpropyi}cyclobutanecarboxamide; N-{(1S)-3-[3-(3-Isopropyl-5-methyl-4H-1,2 4-triazol-4-yl)-exo-8- azabicyclo[3.2. 1]Joct-8-yl]-1-phenylpropyl}cyclopentanecarboxamide; N-{(1S)-3-[3-(3-Isopropyl-5-methyl-4H-1,2,4-triazol-4-yl}-exo-8- azabicyclo[3.2.1]oct-8-yi]-1-phenylpropyl}-4,4 4-trifluorobutanamide; N-{(1S)-3-[3-(3-Isopropyl-5-methyl-4H-1,2,4-triazol-4-yl}-exo0-8- azabicyclo[3.2.1]oct-8-yi}-1-phenylpropyl}-4.,4- difluorocyclohexanecarboxamide; and N-{(1S)-3-{3-(3-Isopropyl-5-methyl-4H-1,2,4-triazol-4-yl)-exo-8- azabicyciof3.2. 1Joct-8-yi}-1-(3-fluorophenyl)propyi}-4.4- difluorocyciohexanecarboxamide: or a pharmaceutically acceptable salt or solvate of any thereof.9. A pharmaceutical composition including a compound of the formula (l)ora pharmaceutically acceptable salt or solvate thereof, as claimed in any preceding claim, together with a phamaceutically acceptable excipient, diluent or carrier.5 .10. A compound of the formuta (I) or a pharmaceutically acceptable salt, solvate or composition thereof, as claimed in any one of claims 1to 8 and 9, respectively, for use as a medicament.11. A compound of the formula (I) or a pharmaceutically acceptable salt, solvate or composition thereof, as claimed in any one of claims 1to 8 and 9, respectively, for the treatment of a disorder in which the modulation of CCR5 receptors is implicated.12. A compound of the formula (I) or a pharmaceutically acceptable salt, solvate or composition thereof, as claimed in any one of claims 1to 8 and 9, respectively, for the treatment of HIV, a retroviral infection genetically related to HIV, AIDS, or an inflammatory disease.13. A compound of the formula (1) or a pharmaceutically acceptable salt, solvate or composition thereof, as claimed in any one of claims 1 to 8 and 9, respectively, for the treatment of a respiratory disorder including aduit respiratory distress syndrome (ARDS), bronchitis, chronic bronchitis, chronic obstructive pulmonary disease, cystic fibrosis, asthma, emphysema, rhinitis or chronic sinusitis.14. A compound of the formula (1) or a pharmaceutically acceptable salt, solvate or composition thereof, as claimed in any one of claims 1to 8 and 9, respectively, for the treatment of an inflammatory bowel disease, including Crohn's disease or ulcerative colitis, multiple sclerosis, rheumatoid arthritis, graft rejection, including a kidney or a lung allograft, endometriosis, type diabetes, a renal disease, chronic pancreatitis, an inflammatory lung condition or chronic heart failure.15. The use of a compound of the formula (I) or of a pharmaceutically acceptable salt, solvate or composition thereof, as claimed in any one of claims 1 to 8 and 9, respectively, for the manufacture of a medicament for the treatment of a disorder in which the modulation of CCRS5 receptors is implicated.16. The use of a compound of the formula (1) or of a pharmaceutically acceptable salt, solvate or composition thereof, as claimed in any one of claims 1 to 8 and 9, respectively, for the manufacture of a medicament for the treatment of HIV, a retroviral infection genetically related to HIV, AIDS, or an inflammatory disease.17. The use of a compound of the formula (I) or of a pharmaceutically acceptable salt, solvate or composition thereof, as claimed in any one of claims 1 to 8 and 9, respectively, for the manufacture of a medicament for the treatment of a respiratory disorder including adult respiratory distress syndrome (ARDS), bronchitis, chronic bronchitis, chronic obstructive pulmonary disease, cystic fibrosis, asthma, emphysema, rhinitis or chronic sinusitis.18. The use of a compound of the formula (1) or of a pharmaceutically : _ acceptable salt, solvate or composition thereof, as claimed in any one of claims 1 to 8 and 9, respectively, for the manufacture of a medicament for the treatment of an inflammatory bowel disease, including Crohn's disease or ulcerative colitis, multiple sclerosis, rheumatoid arthritis, graft rejection, including a kidney or a lung allograft, endometriosis, type | diabetes, a renal: PCI/IBo 70 1000906 disease, chronic Peficratita, an infammatory king condition or chronic peart AMENDED SHEET: 23. A compound of the formula:Me. __Me AL RAN jo N =N )] Me where R? is as defined in claim 1.24. A compound of the formula: Me _Me NH, ) IT RAN N SN (nA) We N where R? is as defined in claim 1.25. A compound of the formula: ? Me._Me NH ) T RAN ja N =N (viy) Me where R?is as defined in claim 1 and P is a protecting group.] 26. A compound of the formula: ON SN H =n Me VA) or a salt thereof, preferably a p-toluenesulphonate salt.27. A compound of the formula: ey Ary N pro N =n ] Me ox) where P' is a protecting group.28. A compound of the formula: oO M M e e RA 0 ) 1 =N xiv) Me where R' and R? are as defined in claim 1.29. A compound of the formula: Me Me Ak (xvii) a N where R?is as defined in claim 1.30. A compound of the formula: 0 ri Me. _Me NH ) I AN \ N =N (XIX) Me where R' and R?are as defined in claim 1.31. A compound as claimed in claims 23, 24, 25, 28, 29 and 30 wherein R?is phenyl.32. A compound as claimed in claim 27 wherein P' is benzyl.33. A compound as claimed in claim 25 wherein P is t-butyloxycarbonyl or benzyloxycarbonyi.34. A compound of the formula:PCT/IB01/00806 F F : ’ 0 Rha:35. A compound of the formula: i 0) NH Sd36. A compound of the formula: Fo F C ?37. A process for the preparation of a compound of the formula (1) as claimed in claim 1 which comprises: (a) coupling a compound of the formula:HC CH, Nr )¢ : N° SN rR? J=n mC with a compound of formula: R'COH (i) wherein R' and R? are as defined for a compound of the formula (1); or (b) reaction of a compound of the formula (Il) with a compound of the formula:R'COZ (VIB) where Z is a carboxylic acid activating group; or (c) reduction of a compound of the formula: 0 M Me ’ e RA o ) I =N : } xv) Me ) wherein R' and R? are as defined for a compound of the formula (1);(d) reductive amination using a compound of the formula:RAN r2 Acro (Xvi) where R' and R? are as defined for a compound of the formuta (I), and a compound of the formula: De Ary N J)=N Me (VIA) or a salt thereof, or(e) reductive amination using a compound of the formula: lo} I - Av Xv) where Y is CN and R' and R? are as defined for a compound of the formula (1), and a compound of the formula (VIA), or a salt thereof; or(f) alkylation of a compound of the formula (VIA), or a salt thereof, with a compound of the formula: 0 R' Hn 2A (xXvm) where Z'is a leaving group and R' and R? are as defined for a compound of the formula (1); or (g) asymmetric reduction of a compound of the formula: 0) ri Me Me NH 1 Hd SN =N (XIX) Me where R' and R? are as defined for a compound of the formula (1); or (h) reaction of a compound of the formula (Il), or a metal salt thereof, with a compound of the formula: R'CO,R® : (XXIV) where R'is as defined for a compound of the formula (1) and R® is an ester- . forming group; or(i) reaction of a compound of the formula:Me. _Me NH, ) 1 (na) a N either with a compound of the formula (lil) under coupling conditions, or a compound of the formula (VIB), and in the presence of a a chiral catalyst: any one of said processes being optionally followed by conversion of a compound of the formula (1) to a pharmaceutically acceptable salt thereof.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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GB0014046A GB0014046D0 (en) | 2000-05-26 | 2000-05-26 | Compounds useful in therapy |
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ZA200209516B true ZA200209516B (en) | 2003-10-22 |
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ZA200209516A ZA200209516B (en) | 2000-05-26 | 2002-11-22 | Tropane derivatives useful in therapy. |
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CN (1) | CN1830445B (en) |
EC (1) | ECSP014089A (en) |
GB (1) | GB0014046D0 (en) |
GT (1) | GT200100096A (en) |
UA (1) | UA73170C2 (en) |
ZA (1) | ZA200209516B (en) |
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CN102993197B (en) * | 2012-12-27 | 2015-09-02 | 蕾硕医药化工(长沙)有限公司 | Tropinone derivative and its preparation method and application |
CN107304205B (en) * | 2016-04-22 | 2020-10-30 | 上海医药工业研究院 | Maravirenz intermediate and preparation method thereof |
-
2000
- 2000-05-26 GB GB0014046A patent/GB0014046D0/en not_active Ceased
-
2001
- 2001-05-09 CN CN2006100735840A patent/CN1830445B/en not_active Expired - Lifetime
- 2001-05-24 EC ECSP014089 patent/ECSP014089A/en unknown
- 2001-05-24 GT GT200100096A patent/GT200100096A/en unknown
- 2001-09-05 UA UA2002119374A patent/UA73170C2/en unknown
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2002
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UA73170C2 (en) | 2005-06-15 |
CN1830445A (en) | 2006-09-13 |
GB0014046D0 (en) | 2000-08-02 |
CN1830445B (en) | 2011-04-20 |
GT200100096A (en) | 2002-01-11 |
ECSP014089A (en) | 2003-01-13 |
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