WO2011070029A1 - Amino oxazine derivatives - Google Patents
Amino oxazine derivatives Download PDFInfo
- Publication number
- WO2011070029A1 WO2011070029A1 PCT/EP2010/069098 EP2010069098W WO2011070029A1 WO 2011070029 A1 WO2011070029 A1 WO 2011070029A1 EP 2010069098 W EP2010069098 W EP 2010069098W WO 2011070029 A1 WO2011070029 A1 WO 2011070029A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- methyl
- amino
- phenyl
- fluoro
- carboxylic acid
- Prior art date
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- BHZRZUBHFOODOU-UHFFFAOYSA-N 2h-oxazin-3-amine Chemical class NC1=CC=CON1 BHZRZUBHFOODOU-UHFFFAOYSA-N 0.000 title description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 226
- 150000003839 salts Chemical class 0.000 claims abstract description 31
- 102100021277 Beta-secretase 2 Human genes 0.000 claims abstract description 30
- 101000894883 Homo sapiens Beta-secretase 2 Proteins 0.000 claims abstract description 29
- 238000011282 treatment Methods 0.000 claims abstract description 29
- 206010012601 diabetes mellitus Diseases 0.000 claims abstract description 21
- 239000003814 drug Substances 0.000 claims abstract description 20
- 230000006806 disease prevention Effects 0.000 claims abstract description 9
- -1 hydroxy-Ci_7-alkyl Chemical group 0.000 claims description 100
- 230000008878 coupling Effects 0.000 claims description 70
- 238000010168 coupling process Methods 0.000 claims description 70
- 238000005859 coupling reaction Methods 0.000 claims description 70
- 238000000034 method Methods 0.000 claims description 67
- 229910052736 halogen Inorganic materials 0.000 claims description 54
- 150000002367 halogens Chemical class 0.000 claims description 54
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 43
- 125000001072 heteroaryl group Chemical group 0.000 claims description 40
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 34
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 30
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical compound OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 claims description 30
- 125000004432 carbon atom Chemical group C* 0.000 claims description 29
- 208000001072 type 2 diabetes mellitus Diseases 0.000 claims description 29
- 201000010099 disease Diseases 0.000 claims description 27
- 125000004076 pyridyl group Chemical group 0.000 claims description 27
- 230000005764 inhibitory process Effects 0.000 claims description 26
- 125000006272 (C3-C7) cycloalkyl group Chemical group 0.000 claims description 25
- 229910052739 hydrogen Inorganic materials 0.000 claims description 24
- 239000001257 hydrogen Substances 0.000 claims description 24
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 24
- 125000004043 oxo group Chemical group O=* 0.000 claims description 22
- JYKZCYLZWZCQFP-UHFFFAOYSA-N 3,5-dichloropyridine-2-carboxylic acid Chemical compound OC(=O)C1=NC=C(Cl)C=C1Cl JYKZCYLZWZCQFP-UHFFFAOYSA-N 0.000 claims description 19
- GJLOKYIYZIOIPN-UHFFFAOYSA-N 5-chloropyridine-2-carboxylic acid Chemical compound OC(=O)C1=CC=C(Cl)C=N1 GJLOKYIYZIOIPN-UHFFFAOYSA-N 0.000 claims description 19
- 125000002971 oxazolyl group Chemical group 0.000 claims description 18
- IARMCEYEYXXEOS-UHFFFAOYSA-N 2-methyl-1,3-oxazole-4-carboxylic acid Chemical compound CC1=NC(C(O)=O)=CO1 IARMCEYEYXXEOS-UHFFFAOYSA-N 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 15
- 125000003373 pyrazinyl group Chemical group 0.000 claims description 15
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 15
- 125000001544 thienyl group Chemical group 0.000 claims description 15
- IFLKEBSJTZGCJG-UHFFFAOYSA-N 3-methylthiophene-2-carboxylic acid Chemical compound CC=1C=CSC=1C(O)=O IFLKEBSJTZGCJG-UHFFFAOYSA-N 0.000 claims description 14
- QZLSBOVWPHXCLT-UHFFFAOYSA-N 5-chlorothiophene-2-carboxylic acid Chemical compound OC(=O)C1=CC=C(Cl)S1 QZLSBOVWPHXCLT-UHFFFAOYSA-N 0.000 claims description 14
- VCNGNQLPFHVODE-UHFFFAOYSA-N 5-methylthiophene-2-carboxylic acid Chemical compound CC1=CC=C(C(O)=O)S1 VCNGNQLPFHVODE-UHFFFAOYSA-N 0.000 claims description 14
- 125000001153 fluoro group Chemical group F* 0.000 claims description 14
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 claims description 13
- QKLXAJQKMIWFRC-UHFFFAOYSA-N 3,5-difluoropyridine-2-carboxylic acid Chemical compound OC(=O)C1=NC=C(F)C=C1F QKLXAJQKMIWFRC-UHFFFAOYSA-N 0.000 claims description 11
- HRLVPHGCEGTVLK-UHFFFAOYSA-N 5-cyanopyridine-2-carboxylic acid Chemical compound OC(=O)C1=CC=C(C#N)C=N1 HRLVPHGCEGTVLK-UHFFFAOYSA-N 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- ZHDRDZMTEOIWSX-UHFFFAOYSA-N 2-methyl-1,3-thiazole-4-carboxylic acid Chemical compound CC1=NC(C(O)=O)=CS1 ZHDRDZMTEOIWSX-UHFFFAOYSA-N 0.000 claims description 10
- ZLKMOIHCHCMSFW-UHFFFAOYSA-N 6-chloropyridine-2-carboxylic acid Chemical compound OC(=O)C1=CC=CC(Cl)=N1 ZLKMOIHCHCMSFW-UHFFFAOYSA-N 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 10
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 10
- 125000000842 isoxazolyl group Chemical group 0.000 claims description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
- 125000000335 thiazolyl group Chemical group 0.000 claims description 10
- YBFIKNNFQIBIQZ-UHFFFAOYSA-N 1-methyl-pyrazole-3-carboxylic acid Chemical compound CN1C=CC(C(O)=O)=N1 YBFIKNNFQIBIQZ-UHFFFAOYSA-N 0.000 claims description 9
- JTKFIIQGMVKDNZ-UHFFFAOYSA-N 5-fluoropyridine-2-carboxylic acid Chemical compound OC(=O)C1=CC=C(F)C=N1 JTKFIIQGMVKDNZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 9
- 239000011707 mineral Substances 0.000 claims description 9
- IRERRSXDWUCFIY-UHFFFAOYSA-N 3-fluoropyridine-2-carboxylic acid Chemical compound OC(=O)C1=NC=CC=C1F IRERRSXDWUCFIY-UHFFFAOYSA-N 0.000 claims description 8
- YPKUGKJFOOZLHN-UHFFFAOYSA-N 5-methoxypyridine-2-carboxylic acid Chemical compound COC1=CC=C(C(O)=O)N=C1 YPKUGKJFOOZLHN-UHFFFAOYSA-N 0.000 claims description 8
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 8
- SVTYVHLMXWTPCG-IBGZPJMESA-N n-[3-[(4s)-2-amino-4-ethyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-5-chloro-3-methylpyridine-2-carboxamide Chemical compound C=1C(NC(=O)C=2C(=CC(Cl)=CN=2)C)=CC=C(F)C=1[C@]1(CC)CCOC(N)=N1 SVTYVHLMXWTPCG-IBGZPJMESA-N 0.000 claims description 8
- RJXVAGCQRMBMCI-UHFFFAOYSA-N 3-methoxypyridine-2-carboxylic acid Chemical compound COC1=CC=CN=C1C(O)=O RJXVAGCQRMBMCI-UHFFFAOYSA-N 0.000 claims description 7
- SJLPJJGKJSOUOR-UHFFFAOYSA-N 3-phenylpyridine-2-carboxylic acid Chemical compound OC(=O)C1=NC=CC=C1C1=CC=CC=C1 SJLPJJGKJSOUOR-UHFFFAOYSA-N 0.000 claims description 7
- NNMYRMGMVLMQAY-UHFFFAOYSA-N 4-chloropyridine-2-carboxylic acid Chemical compound OC(=O)C1=CC(Cl)=CC=N1 NNMYRMGMVLMQAY-UHFFFAOYSA-N 0.000 claims description 7
- FXJOTWLLDJYKAG-UHFFFAOYSA-N 5-chloropyrazine-2-carboxylic acid Chemical compound OC(=O)C1=CN=C(Cl)C=N1 FXJOTWLLDJYKAG-UHFFFAOYSA-N 0.000 claims description 7
- XQURBTZGKJENJS-UHFFFAOYSA-N 5-fluorothiophene-2-carboxylic acid Chemical compound OC(=O)C1=CC=C(F)S1 XQURBTZGKJENJS-UHFFFAOYSA-N 0.000 claims description 7
- HWMYXZFRJDEBKC-UHFFFAOYSA-N 5-methylpyridine-2-carboxylic acid Chemical compound CC1=CC=C(C(O)=O)N=C1 HWMYXZFRJDEBKC-UHFFFAOYSA-N 0.000 claims description 7
- MIZMKLNRNGBZCL-KRWDZBQOSA-N n-[3-[(4s)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-3-chloro-5-(trifluoromethyl)pyridine-2-carboxamide Chemical compound C=1C(NC(=O)C=2C(=CC(=CN=2)C(F)(F)F)Cl)=CC=C(F)C=1[C@]1(C)CCOC(N)=N1 MIZMKLNRNGBZCL-KRWDZBQOSA-N 0.000 claims description 7
- NZFWNWSOBUQUDA-SFHVURJKSA-N n-[3-[(4s)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-5-chloro-3-methylpyridine-2-carboxamide Chemical compound CC1=CC(Cl)=CN=C1C(=O)NC1=CC=C(F)C([C@@]2(C)N=C(N)OCC2)=C1 NZFWNWSOBUQUDA-SFHVURJKSA-N 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 7
- 125000003226 pyrazolyl group Chemical group 0.000 claims description 7
- IZOWNOYERNMMAZ-UHFFFAOYSA-N thieno[2,3-c]pyridine-7-carboxylic acid Chemical compound OC(=O)C1=NC=CC2=C1SC=C2 IZOWNOYERNMMAZ-UHFFFAOYSA-N 0.000 claims description 7
- DYSJMQABFPKAQM-UHFFFAOYSA-N 1-benzothiophene-2-carboxylic acid Chemical compound C1=CC=C2SC(C(=O)O)=CC2=C1 DYSJMQABFPKAQM-UHFFFAOYSA-N 0.000 claims description 6
- 239000008194 pharmaceutical composition Substances 0.000 claims description 6
- ZOLUACWHRMUETA-UHFFFAOYSA-N 4-chloro-1h-pyrazole-5-carboxylic acid Chemical compound OC(=O)C=1NN=CC=1Cl ZOLUACWHRMUETA-UHFFFAOYSA-N 0.000 claims description 5
- 102100021257 Beta-secretase 1 Human genes 0.000 claims description 5
- 101000894895 Homo sapiens Beta-secretase 1 Proteins 0.000 claims description 5
- 125000002541 furyl group Chemical group 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 5
- AJEUDFWCRVLJFV-KRWDZBQOSA-N n-[3-[(4s)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-3-(trifluoromethyl)pyridine-2-carboxamide Chemical compound C=1C(NC(=O)C=2C(=CC=CN=2)C(F)(F)F)=CC=C(F)C=1[C@]1(C)CCOC(N)=N1 AJEUDFWCRVLJFV-KRWDZBQOSA-N 0.000 claims description 5
- NKAMBZUTZFEACM-KRWDZBQOSA-N n-[3-[(4s)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-3-chloro-5-fluoropyridine-2-carboxamide Chemical compound C=1C(NC(=O)C=2C(=CC(F)=CN=2)Cl)=CC=C(F)C=1[C@]1(C)CCOC(N)=N1 NKAMBZUTZFEACM-KRWDZBQOSA-N 0.000 claims description 5
- JWRPNLFSZSSQKN-KRWDZBQOSA-N n-[3-[(4s)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-5-(trifluoromethyl)pyridine-2-carboxamide Chemical compound C=1C(NC(=O)C=2N=CC(=CC=2)C(F)(F)F)=CC=C(F)C=1[C@]1(C)CCOC(N)=N1 JWRPNLFSZSSQKN-KRWDZBQOSA-N 0.000 claims description 5
- OENFWCQJKKVQKG-LJQANCHMSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-5-chloro-3-methylpyridine-2-carboxamide Chemical compound CC1=CC(Cl)=CN=C1C(=O)NC1=CC=C(F)C([C@]2(C)C3(CC3)COC(N)=N2)=C1 OENFWCQJKKVQKG-LJQANCHMSA-N 0.000 claims description 5
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- PAKOFGAHBZPDCF-JOPIAHFSSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-2,2-difluorocyclopropane-1-carboxamide Chemical compound N([C@]1(C)C=2C(=CC=C(NC(=O)C3C(C3)(F)F)C=2)F)=C(N)OCC11CC1 PAKOFGAHBZPDCF-JOPIAHFSSA-N 0.000 claims description 4
- VDXMOODSWGNQBH-LJQANCHMSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-2,6-difluorobenzamide Chemical compound N([C@]1(C)C=2C(=CC=C(NC(=O)C=3C(=CC=CC=3F)F)C=2)F)=C(N)OCC11CC1 VDXMOODSWGNQBH-LJQANCHMSA-N 0.000 claims description 4
- CANGXVMVSCITNQ-GOSISDBHSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-3-fluoropyridine-2-carboxamide Chemical compound N([C@]1(C)C=2C(=CC=C(NC(=O)C=3C(=CC=CN=3)F)C=2)F)=C(N)OCC11CC1 CANGXVMVSCITNQ-GOSISDBHSA-N 0.000 claims description 4
- RWKIYNRQGGZGQR-LJQANCHMSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-5-(difluoromethoxy)pyridine-2-carboxamide Chemical compound N([C@]1(C)C=2C(=CC=C(NC(=O)C=3N=CC(OC(F)F)=CC=3)C=2)F)=C(N)OCC11CC1 RWKIYNRQGGZGQR-LJQANCHMSA-N 0.000 claims description 4
- QOGNDMSQOAATKW-QGZVFWFLSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-5-chloro-4-methyl-1,2-oxazole-3-carboxamide Chemical compound CC1=C(Cl)ON=C1C(=O)NC1=CC=C(F)C([C@]2(C)C3(CC3)COC(N)=N2)=C1 QOGNDMSQOAATKW-QGZVFWFLSA-N 0.000 claims description 4
- UAOHDTZTWINHPA-GOSISDBHSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-5-chloropyridine-2-carboxamide Chemical compound N([C@]1(C)C=2C(=CC=C(NC(=O)C=3N=CC(Cl)=CC=3)C=2)F)=C(N)OCC11CC1 UAOHDTZTWINHPA-GOSISDBHSA-N 0.000 claims description 4
- AWQFLAQPCJZITN-LJQANCHMSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-5-cyanopyridine-2-carboxamide Chemical compound N([C@]1(C)C=2C(=CC=C(NC(=O)C=3N=CC(=CC=3)C#N)C=2)F)=C(N)OCC11CC1 AWQFLAQPCJZITN-LJQANCHMSA-N 0.000 claims description 4
- XROSLEIDPDZNLV-GOSISDBHSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-5-fluoropyridine-2-carboxamide Chemical compound N([C@]1(C)C=2C(=CC=C(NC(=O)C=3N=CC(F)=CC=3)C=2)F)=C(N)OCC11CC1 XROSLEIDPDZNLV-GOSISDBHSA-N 0.000 claims description 4
- RMPFNKBUXVNIES-LJQANCHMSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-5-methoxypyridine-2-carboxamide Chemical compound N1=CC(OC)=CC=C1C(=O)NC1=CC=C(F)C([C@]2(C)C3(CC3)COC(N)=N2)=C1 RMPFNKBUXVNIES-LJQANCHMSA-N 0.000 claims description 4
- AFHFSUGIIBNVIA-GOSISDBHSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]pyridine-2-carboxamide Chemical compound N([C@]1(C)C=2C(=CC=C(NC(=O)C=3N=CC=CC=3)C=2)F)=C(N)OCC11CC1 AFHFSUGIIBNVIA-GOSISDBHSA-N 0.000 claims description 4
- 125000003566 oxetanyl group Chemical group 0.000 claims description 4
- 241001465754 Metazoa Species 0.000 claims description 3
- 239000002671 adjuvant Substances 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 claims description 3
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims description 3
- 125000000259 cinnolinyl group Chemical group N1=NC(=CC2=CC=CC=C12)* 0.000 claims description 3
- 239000003937 drug carrier Substances 0.000 claims description 3
- 125000002883 imidazolyl group Chemical group 0.000 claims description 3
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 claims description 3
- 125000001041 indolyl group Chemical group 0.000 claims description 3
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 claims description 3
- LIMLVIOZIISQCK-AWEZNQCLSA-N n-[3-[(4s)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-1-(trifluoromethyl)cyclopropane-1-carboxamide Chemical compound C=1C(NC(=O)C2(CC2)C(F)(F)F)=CC=C(F)C=1[C@]1(C)CCOC(N)=N1 LIMLVIOZIISQCK-AWEZNQCLSA-N 0.000 claims description 3
- TWFPGISXGLRQIU-SBNLOKMTSA-N n-[3-[(4s)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-2,2-difluorocyclopropane-1-carboxamide Chemical compound C=1C(NC(=O)C2C(C2)(F)F)=CC=C(F)C=1[C@]1(C)CCOC(N)=N1 TWFPGISXGLRQIU-SBNLOKMTSA-N 0.000 claims description 3
- YTDGKTIGGGGGFU-SFHVURJKSA-N n-[3-[(4s)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-5-(difluoromethoxy)pyridine-2-carboxamide Chemical compound C=1C(NC(=O)C=2N=CC(OC(F)F)=CC=2)=CC=C(F)C=1[C@]1(C)CCOC(N)=N1 YTDGKTIGGGGGFU-SFHVURJKSA-N 0.000 claims description 3
- QLPMGDACXPBNIT-QGZVFWFLSA-N n-[3-[(8s)-6-amino-8-methyl-5-oxa-7-azaspiro[2.5]oct-6-en-8-yl]-4-fluorophenyl]-5-chloropyrimidine-2-carboxamide Chemical compound N([C@]1(C)C=2C(=CC=C(NC(=O)C=3N=CC(Cl)=CN=3)C=2)F)=C(N)OCC11CC1 QLPMGDACXPBNIT-QGZVFWFLSA-N 0.000 claims description 3
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- 239000003112 inhibitor Substances 0.000 abstract description 6
- VPVZSRIIAONGMU-UHFFFAOYSA-N 5,6-dihydro-4h-1,3-oxazin-2-amine Chemical class N=C1NCCCO1 VPVZSRIIAONGMU-UHFFFAOYSA-N 0.000 abstract 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5355—Non-condensed oxazines and containing further heterocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
- C07D265/04—1,3-Oxazines; Hydrogenated 1,3-oxazines
- C07D265/06—1,3-Oxazines; Hydrogenated 1,3-oxazines not condensed with other rings
- C07D265/08—1,3-Oxazines; Hydrogenated 1,3-oxazines not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/04—Ortho-condensed systems
Definitions
- the present invention relates to 5,6-dihydro-4H-[l ,3]oxazin-2-ylamine compounds of the formula
- R 1 is hydrogen or Ci_7-alkyl
- R 2 is hydrogen or Ci_7-alkyl; or R 1 and R 2 together with the C atom they are attached to form a C3_7-cycloalkyl ring;
- R 3 is Ci_7-alkyl or C3_7-cycloalkyl; or R 2 and R 3 together with the C atoms they are attached to form a C3_7-cycloalkyl or a 3- to 7-membered O-heterocyclyl ring;
- R 4 is selected from the group consisting of hydrogen, Ci_7-alkyl, halogen, cyano and C 1-7 - alkoxy;
- R 5 is i) aryl, unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, Ci_7-alkoxy, halogen-Ci_7-alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl, ii) heteroaryl, unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, Ci_7-alkoxy, halogen-Ci_7- alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl, iii) Ci_7-alkyl, unsubstituted or substituted by one, two, three, four or five groups individually selected from the group consisting of halogen,
- the invention is also concerned with the manufacture of compounds of formula I, with pharmaceutical compositions containing them and their use as medicaments.
- the compounds of formula I are inhibitors of BACE2 and may therefore be useful in the treatment of type 2 diabetes and other metabolic disorders.
- Type 2 diabetes is caused by insulin resistance and inadequate insulin secretion from pancreatic beta-cells leading to poor blood-glucose control and hyperglycemia (M Prentki & CJ Nolan, "Islet beta-cell failure in type 2 diabetes.” J. Clin. Investig. 2006, 116(7), 1802-1812).
- Patients with T2D have an increased risk of microvascular and macrovascular disease and a range of related complications including diabetic nephropathy, retinopathy and cardiovascular disease.
- Tmem27 has been identified as a protein promoting beta-cell proliferation (P Akpinar, S Kuwajima, J Krutzfeldt, M Stoffel, "Tmem27: A cleaved and shed plasma membrane protein that stimulates pancreatic ⁇ cell proliferation", Cell Metab. 2005, 2, 385-397) and insulin secretion (K Fukui, Q Yang, Y Cao, N Takahashi et al, "The HNF-1 target Collectrin controls insulin exocytosis by SNARE complex formation", Cell Metab. 2005, 2, 373-384).
- Tmem27 is a 42 kDa membrane glycoprotein which is constitutively shed from the surface of beta-cells, resulting from a degradation of the full-length cellular Tmem27.
- Overexpression of Tmem27 in a transgenic mouse increases beta-cell mass and improves glucose tolerance in a DIO model of diabetes [K Fukui, Q Yang, Y Cao, N Takahashi et al, "The HNF-1 target Collectrin controls insulin exocytosis by SNARE complex formation", Cell Metab.
- Tmem27 A cleaved and shed plasma membrane protein that stimulates pancreatic ⁇ cell proliferation", Cell Metab. 2005, 2, 385-397.
- siRNA knockout of Tmem27 in a rodent beta-cell proliferation assay reduces the proliferation rate, indicating a role for Tmem27 in control of beta-cell mass.
- BACE2 cleaves a peptide based on the sequence of Tmem27.
- the closely related protease BACEl does not cleave this peptide and selective inhibition of BACEl alone does not enhance proliferation of beta-cells.
- BACEl (BACE for beta-site APP-cleaving enzyme, also known as beta-secretase) has been implicated in the pathogenesis of Alzheimer disease and in the formation of myelin sheaths in peripheral nerve cells.
- BACE2 The close homo log BACE2 is a membrane-bound aspartyl protease and is co localised with Tmem27 in rodent pancreatic beta-cells (G Finzi, F Franzi, C Placidi, F Acquati et al, "BACE2 is stored in secretory granules of mouse and rat pancreatic beta cells", Ultrastruct Pathol. 2008, 32(6), 246-251). It is also known to be capable of degrading APP (I Hussain, D Powell, D Howlett, G Chapman et al, "ASP1 (BACE2) cleaves the amyloid precursor protein at the ⁇ - secretase site" Mol Cell Neurosci.
- IL-1R2 P Kuhn, E Marjaux, A Imhof, B De Strooper et al, "Regulated intramembrane proteolysis of the interleukin-1 receptor II by alpha-, beta-, and gamma-secretase" J. Biol. Chem. 2007, 282(16), 11982-11995).
- BACE2 Inhibition of BACE2 is therefore proposed as a treatment for type 2 diabetes with the potential to preserve and restore beta-cell mass and stimulate insulin secretion in pre-diabetic and diabetic patients. It is therefore an object of the present invention to provide selective BACE2 inhibitors. Such compounds are useful as therapeutically active substances, particularly in the treatment and/or prevention of diseases which are associated with the inhibition of BACE2.
- the compounds of the present invention exceed the compounds known in the art, inasmuch as they are strong and selective inhibitors of BACE2. They are expected to have an enhanced therapeutic potential compared to the compounds already known in the art and can be used for the treatment and prevention of diabetes, particularly type 2 diabetes, metabolic syndrome and a wide range of metabolic disorders.
- Structures depicted herein are also meant to include compounds that differ only in the presence of one or more iso topically enriched atoms. For example wherein one or more hydrogen atoms are replaced by deuterium, or one or more carbon atoms are replaced by a 13C- or 14C-enriched carbon are within the scope of this invention.
- halogen refers to fluorine (fluoro, F), chlorine (chloro, CI), bromine (bromo, Br) and iodine (iodo, I), with fluorine, chlorine and bromine being particular, and with fluorine and chlorine being more particular. Most particular is F.
- lower alkyl or “Ci_7-alkyl” alone or in combination, signifies a straight-chain or branched-chain alkyl group with 1 to 7 carbon atoms, particularly a straight or branched-chain alkyl group with 1 to 6 carbon atoms and particularly particular a straight or branched-chain alkyl group with 1 to 4 carbon atoms.
- Ci_ 7 alkyl groups examples include methyl (Me), ethyl (Et), propyl, isopropyl, butyl, isobutyl, tert.-butyl, the isomeric pentyls, the isomeric hexyls and the isomeric heptyls, particularly methyl and ethyl and most particular methyl.
- lower alkoxy or "Ci_ 7 -alkoxy” refers to the group R'-O-, wherein R' is lower alkyl and the term “lower alkyl” has the previously given significance.
- lower alkoxy groups are methoxy (MeO, OMe), ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec.-butoxy and tert.-butoxy, particularly methoxy and ethoxy.
- lower halogenalkyl or “halogen-Ci_ 7 -alkyl” refers to lower alkyl groups as defined above wherein at least one of the hydrogen atoms of the lower alkyl group is replaced by a halogen atom, particularly f uoro or chloro, most particularly fluoro.
- halogen atom particularly f uoro or chloro
- the particular lower halogenalkyl groups are trif uoromethyl, difluoromethyl, trif uoro ethyl, 2,2-difluoroethyl, fluoromethyl and chloromethyl, with trifluoromethyl or difluoromethyl being especially particular.
- lower halogenalkoxy or "halogen-Ci_7-alkoxy” refers to lower alkoxy groups as defined above wherein at least one of the hydrogen atoms of the lower alkoxy group is replaced by a halogen atom, particularly fluoro or chloro, most particularly fluoro.
- halogenated lower alkoxy groups are trifluoromethoxy, difluoromethoxy, fluormethoxy and chloromethoxy, with trifluoromethoxy being especially particular.
- lower hydroxyalkyl or "hydroxy-Ci_7-alkyl” refers to lower alkyl groups as defined above wherein at least one of the hydrogen atoms of the lower alkyl group is replaced by a hydroxy group.
- lower hydroxyalkyl groups are hydro xymethyl or hydroxyethyl.
- cycloalkyl or "C3_7-cycloalkyl” denotes a saturated carbocyclic group containing from 3 to 7 carbon atoms, such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl or cycloheptyl. Especially particular are cyclopropyl, cyclobutyl and cyclopentyl. Specific is cyclopropyl.
- 3- to 7-membered O-heterocyclyl ring denotes a saturated 3- to 7-membered heterocyclyl ring containing at least one oxygen atom, such as oxirane, oxetane, tetrahydrofurane, tetrahydropurane and oxepane.
- a tetrahydrofurane (furyl) ring is particular.
- Specific is oxetanyl.
- aryl refers to an aromatic monocyclic or multicyclic ring system having 6 to 14 carbon atoms, particularly 6 to 10 carbon atoms. Particular aryl groups are phenyl and naphthyl, with phenyl being most particular.
- heteroaryl refers to an aromatic or partly unsaturated 5- or 6-membered ring which comprises at least one heteroatom selected from nitrogen, oxygen and/or sulphur, and can in addition comprise one or three atoms selected from nitrogen, oxygen and/or sulphur, such as pyridyl, pyrazinyl, pyrimidinyl, pyridazinyl, 6-oxo-l,6-dihydropyridazinyl, 5-oxo-4,5- dihydropyrazinyl, pyrrolyl, furyl, thienyl, oxazolyl, isoxazolyl, oxadiazolyl, thiadiazolyl, tetrazolyl, pyrazolyl, imidazolyl, triazolyl and thiazolyl.
- heteroaryl further refers to bicyclic aromatic or partly unsaturated groups comprising two 5- or 6-membered rings, in which one or both rings can contain one, two or three atoms selected from nitrogen, oxygen or sulphur, such as quinolinyl, isoquinolinyl, cinnolinyl, pyrazolo[l ,5-a]pyridyl, imidazo[l ,2-a]pyridyl, thieno[2,3-c]pyridyl, quinoxalinyl, benzo[b]thienyl, benzo thiazolyl, benzo triazolyl, indolyl, indazolyl and 3,4-dihydro-lH-isoquinolinyl.
- heteroaryl groups are thienyl, oxazolyl, isoxazolyl, pyrazolyl, pyridyl, pyrimidinyl, pyrazinyl, 6-oxo-l,6-dihydropyridazinyl, 5-oxo-4,5- dihydropyrazinyl and imidazo[l ,2-a]pyridyl, with thienyl, oxazolyl, pyrazolyl, pyridyl, pyrimidinyl and pyrazinyl being more particular and pyridyl being most particular.
- lH-pyrazolyl benzo[b]thiophenyl, isoxazolyl, oxazolyl, pyrazinyl, pyridinyl, pyrimidinyl, thiazolyl, thieno[2,3-c]pyridinyl and thiophenyl
- lH-pyrazole-3-yl benzo[b]thiophene-2-yl, isoxazole-3-yl, oxazole-4-yl, pyrazine-2-yl, pyridine-2-yl, pyrimidine-2- yl, thiazol-4-yl, thieno[2,3-c]pyridine-7-yl and thiophene-2-yl.
- compositions of formula I can form pharmaceutically acceptable salts.
- pharmaceutically acceptable salts refers to those salts which retain the biological effectiveness and properties of the free bases or free acids, which are not biologically or otherwise undesirable.
- the pharmaceutically acceptable salts of the compounds of formula I are the acid addition salts with physiologically compatible mineral acids, such as hydrochloric acid, sulfuric acid, sulfurous acid or phosphoric acid; or with organic acids, such as methanesulfonic acid, ethanesulfonic acid, p-toluenesulfonic acid, formic acid, acetic acid, propionic acid, glycolic acid, pyruvic acid, oxylic acid, lactic acid, trifluoro acetic acid, citric acid, fumaric acid, maleic acid, malonic acid, tartaric acid, benzoic acid, cinnamic acid, mandelic acid, succinic acid or salicylic acid.
- Particularly particular pharmaceutically acceptable salts of compounds of formula I are the acid addition salts
- the compounds of formula I can also be solvated, e.g., hydrated.
- the solvation can be effected in the course of the manufacturing process or can take place e.g. as a consequence of hygroscopic properties of an initially anhydrous compound of formula I (hydration).
- pharmaceutically acceptable salts also includes physiologically acceptable solvates.
- “Isomers” are compounds that have identical molecular formulae but that differ in the nature or the sequence of bonding of their atoms or in the arrangement of their atoms in space. Isomers that differ in the arrangement of their atoms in space are termed “stereoisomers”. Stereoisomers that are not mirror images of one another are termed “diastereoisomers”, and stereoisomers that are non-superimposable mirror images are termed “enantiomers”, or sometimes optical isomers. A carbon atom bonded to four non-identical substituents is termed a "chiral center”.
- Chiral molecules are optically active, i.e., they have the ability to rotate the plane of plane-polarized light.
- Compounds of present invention can have one or more chiral centers and can exist in the form of optically pure enantiomers, mixtures of enantiomers such as, for example, racemates, optically pure diastereoisomers, mixtures of diastereoisomers, diastereoisomeric racemates or mixtures of diastereoisomeric racemates. Whenever a chiral center is present in a chemical structure, it is intended that all stereoisomers associated with that chiral center are encompassed by the present invention.
- the invention relates to compounds of the formula I, wherein
- R 1 is hydrogen or Ci_7-alkyl
- R 2 is hydrogen or Ci_7-alkyl; or R 1 and R 2 together with the C atom they are attached to form a C 3 _7-cycloalkyl ring;
- R 3 is Ci_7-alkyl or C3-7-cycloalkyl; or R 2 and R 3 together with the C atoms they are attached to form a C 3 _7-cycloalkyl or a 3- to 7-membered O-heterocyclyl ring;
- R 4 is selected from the group consisting of hydrogen, Ci_7-alkyl, halogen, cyano and C 1-7 - alkoxy;
- R 5 is i) aryl, unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, Ci_7-alkoxy, halogen-Ci_7-alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl, ii) heteroaryl, unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, Ci_7-alkoxy, halogen-Ci_7- alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl, iii) Ci_7-alkyl, unsubstituted or substituted by one, two, three, four or five groups individually selected from the group consisting of halogen,
- R is hydrogen or Ci_7-alkyl
- R 2 is hydrogen or Ci_7-alkyl; or R 1 and R 2 together with the C atom they are attached to form a C3_7-cycloalkyl ring; R 3 is Ci_7-alkyl or C 3 _7-cycloalkyl; or R 2 and R 3 together with the C atoms they are attached to form a C3_7-cycloalkyl or a 3- to 7-membered O-heterocyclyl ring;
- R 4 is selected from the group consisting of hydrogen, Ci_7-alkyl, halogen, cyano and C 1-7 - alkoxy;
- R 5 is aryl or heteroaryl, said aryl or heteroaryl being unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7- alkyl, Ci_7-alkoxy, halogen-Ci_7-alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl; or pharmaceutically acceptable salts thereof.
- the invention relates to compounds of the formula I, wherein R 1 is hydrogen;
- R 2 is hydrogen
- R 3 is Ci_ 7 -alkyl
- R 4 is halogen
- R 5 is lH-pyrazolyl, benzo[b]thiophenyl, isoxazolyl, oxazolyl, pyrazinyl, pyridinyl, pyrimidinyl, thiazolyl, thieno[2,3-c]pyridinyl, thiophenyl, phenyl, ethyl, cyclopropyl and oxetanyl being unsubstituted or substituted as defined herein; or pharmaceutically acceptable salts thereof.
- the invention relates to compounds of formula I as herein described, wherein R 1 and R 2 together with the C atom they are attached to form a C 3 _7- cycloalkyl ring.
- the invention relates to compounds of formula I as herein described, wherein R 2 and R 3 together with the C atom they are attached to form a In a particular embodiment, the invention relates to compounds of formula I as herein described, wherein R 2 and R 3 together with the C atom they are attached to form a C 3 _7-cycloalkyl ring. In a particular embodiment, the invention relates to compounds of formula I as herein described, wherein R 2 and R 3 together with the C atom they are attached to form a In a particular embodiment, the invention relates to compounds of formula I as herein described, wherein R 2 and R 3 together with the C atom they are attached to form furyl. In a particular embodiment, the invention relates to compounds of formula I as herein described, wherein R 1 and R 2 together with the C atom they are attached to form a cyclopropyl.
- the invention relates to compounds of formula I as herein described, wherein R 1 and R 2 are hydrogen.
- the invention relates to compounds of formula I as herein described, wherein R 1 is hydrogen.
- the invention relates to compounds of formula I as herein described, wherein R 2 is hydrogen.
- the invention relates to compounds of formula I as herein described, wherein R 3 is Ci_7-alkyl. In a particular embodiment, the invention relates to compounds of formula I as herein described, wherein R 3 is methyl.
- the invention relates to compounds of formula I as herein described, wherein R 3 is ethyl.
- the invention relates to compounds of formula I as herein described, wherein R 4 is hydrogen or halogen.
- the invention relates to compounds of formula I as herein described, wherein R 4 is halogen.
- the invention relates to compounds of formula I as herein described, wherein R 4 is fluoro.
- the invention relates to compounds of formula I as herein described, wherein R 5 is heteroaryl, said heteroaryl being unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, Ci_7-alkoxy, halogen-Ci_7-alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl.
- the invention relates to compounds of formula I as herein described, wherein R 5 is heteroaryl selected from the group consisting of pyridyl, pyrazinyl, pyrimidinyl, pyridazinyl, 6-oxo-l,6-dihydropyridazinyl, 5-oxo-4,5-dihydropyrazinyl, pyrrolyl, furyl, thienyl, oxazolyl, isoxazolyl, oxadiazolyl, thiadiazolyl, tetrazolyl, pyrazolyl, imidazolyl, triazolyl, thiazolyl, quinolinyl, isoquinolinyl, cinnolinyl, pyrazolo[l ,5-a]pyridyl, imidazo[l ,2- ajpyridyl, thieno[2,3-c]pyridyl, quinoxal
- the invention relates to compounds of formula I as herein described, wherein R 5 is heteroaryl selected from the group consisting of thienyl, oxazolyl, isoxazolyl, pyrazolyl, pyridyl, pyrimidinyl, pyrazinyl, 6-oxo-l,6-dihydropyridazinyl, 5-oxo-4,5- dihydropyrazinyl and imidazo[l ,2-a]pyridyl, said heteroaryl being unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen- Ci_7-alkyl, Ci_7-alkoxy, halogen-Ci_7-alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl.
- R 5 is heteroaryl selected from the group consisting of thienyl, oxazoly
- the invention relates to compounds of formula I as herein described, wherein R 5 is heteroaryl selected from the group consisting of thienyl, oxazolyl, pyridyl, pyrimidinyl and pyrazinyl, said heteroaryl being unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, Ci_ 7-alkoxy, halogen-Ci_7-alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl.
- R 5 is heteroaryl selected from the group consisting of thienyl, oxazolyl, pyridyl, pyrimidinyl and pyrazinyl, said heteroaryl being unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, hal
- the invention relates to compounds of formula I as herein described, wherein R 5 is heteroaryl selected from the group consisting of thienyl, oxazolyl, pyridyl, pyrimidinyl and pyrazinyl substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, Ci_7-alkoxy, halogen-Ci_7-alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl.
- R 5 is heteroaryl selected from the group consisting of thienyl, oxazolyl, pyridyl, pyrimidinyl and pyrazinyl substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, Ci_7-alkoxy, halogen-Ci_
- the invention relates to compounds of formula I as herein described, wherein R 5 is heteroaryl selected from the group consisting of IH-pyrazolyl, benzo[b]thiophenyl, isoxazolyl, oxazolyl, pyrazinyl, pyridinyl, pyrimidinyl, thiazolyl, thieno[2,3- c]pyridinyl and thiophenyl, said heteroaryl being unsubstituted or substituted by one or two groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkoxy, halogen- Ci_7-alkyl, Ci_7-alkoxy, cyano and phenyl.
- R 5 is heteroaryl selected from the group consisting of IH-pyrazolyl, benzo[b]thiophenyl, isoxazolyl, oxazolyl, pyrazinyl, pyridinyl
- the invention relates to compounds of formula I as herein described, wherein R 5 is heteroaryl selected from the group consisting of IH-pyrazolyl, thiazolyl, oxazolyl, pyridinyl, substituted by one or two substituents selected from the group consisting of Ci_7-alkyl, halogen and cyano.
- the invention relates to compounds of formula I as herein described, wherein R 5 is IH-pyrazolyl.
- the invention relates to compounds of formula I as herein described, wherein R 5 is thiazolyl. In a particular embodiment, the invention relates to compounds of formula I as herein described, wherein R 5 is oxazolyl.
- the invention relates to compounds of formula I as herein described, wherein R 5 is pyridinyl.
- the invention relates to compounds of formula I as herein described, wherein R 5 is heteroaryl selected from the group consisting of lH-pyrazole-3-yl, benzo[b]thiophene-2-yl, isoxazole-3-yl, oxazole-4-yl, pyrazine-2-yl, pyridine-2-yl, pyrimidine-2- yl, thiazol-4-yl, thieno[2,3-c]pyridine-7-yl and thiophene-2-yl, said heteroaryl being unsubstituted or substituted by one or two groups selected from the group consisting of methyl, fluoro, chloro, difluoromethoxy, trifluoroethoxy, trifluoromethyl, methoxy, cyano and phenyl.
- the invention relates to compounds of formula I as herein described, wherein R 5 is phenyl, said phenyl being unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, C 1-7 - alkoxy, halogen-Ci_ 7 -alkoxy, cyano, hydroxy-Ci_ 7 -alkyl, oxo and phenyl.
- the invention relates to compounds of formula I as herein described, wherein R 5 is phenyl, substituted by one or two halogen.
- the invention relates to compounds of formula I as herein described, wherein R 5 is Ci_ 7 -alkyl, unsubstituted or substituted by one, two, three, four or five halogen.
- the invention relates to compounds of formula I as herein described, wherein R 5 is ethyl, substituted by one, two, three, four or five fluoro.
- the invention relates to compounds of formula I as herein described, wherein R 5 is C3- 7 -cycloalkyl ring, unsubstituted or substituted by one, two or three groups selected from the group consisting of halogen and halogen-Ci_ 7 -alkyl.
- the invention relates to compounds of formula I as herein described, wherein R 5 is cyclopropyl, by one or two groups selected from the group consisting of fluoro and trifluoromethyl.
- the invention relates to compounds of formula I as herein described, wherein R 5 is 3- to 7-membered O-heterocyclyl ring, unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_ 7 -alkyl, halogen, halogen-Ci_ 7 - alkyl, Ci_ 7 -alkoxy, halogen-Ci_ 7 -alkoxy, cyano and hydroxy-Ci_ 7 -alkyl.
- the invention relates to compounds of formula I as herein described, wherein R 5 is oxetanyl, substituted by methyl.
- the invention relates to compounds of formula I as herein described, selected from the group consisting of
- the invention relates to compounds of formula I as herein described, selected from the group consisting of
- the invention relates to compounds of formula I as herein described, selected from the group consisting of
- the invention relates to compounds of formula I as herein described, selected from the group consisting of
- 6-chloro-pyridine-2-carboxylic acid [3-((S)-2-amino-4-methyl-5,6-dihydro-4H-[l,3]oxazin-4- yl)-4-fluoro-phenyl]-amide, 3,5-difluoro-pyridine-2-carboxylic acid [3-((S)-2-amino-4-methyl-5,6-dihydro-4H-[l,3]oxazin- 4-yl)-4-fluoro-phenyl]-amide,
- the invention relates to a process to synthesize compounds of formula I as herein described, which process comprises reacting an amine of the formula II
- R 1 to R 4 are as defined herein and Boc is the protecting group tert- butyloxycarbonyl, with a carboxylic acid of the formula III wherein R 5 is as defined herein, in the presence of a coupling reagent under basic conditions to obtain a compound of the formula IV
- the invention relates to pharmaceutical compositions comprising a compound of formula I as described herein and a pharmaceutically acceptable carrier and/or adjuvant.
- the invention relates to compounds of formula I as described herein for use as medicaments.
- the invention relates to compounds of formula I as described herein for use as medicaments for the treatment or prevention of diseases which are associated with inhibition of BACE2 activity.
- the invention relates to compounds of formula I as described herein for use as medicaments for the treatment or prevention of diabetes, particularly type 2 diabetes.
- the invention relates to compounds of formula I as described herein for use as medicaments for the treatment or prevention of type 2 diabetes.
- the invention relates to a method for the treatment of diseases which are associated with the inhibition of BACE 2 activity, particularly for the treatment of type 2 diabetes, which method comprises administering a therapeutically active amount of a compound of formula I as described herein to a human being or animal.
- the invention relates to the use of compounds of formula I as described herein for the preparation of medicaments for the treatment or prevention of diseases which are associated with the inhibition of BACE2 activity.
- the invention relates to the use of compounds of formula I as described herein for the preparation of medicaments for the treatment or prevention of diabetes, particularly type 2 diabetes.
- R 3 signifies Ci_7-alkyl.
- Compounds of formula I of the present invention are particular, wherein R 3 is methyl or ethyl.
- Another group of particular compounds are those, wherein or R 2 and R 3 together with the C atoms they are attached to form a C3_7-cycloalkyl or a 3- to 7-membered O-heterocyclyl ring, with those compounds being more particular, wherein R 2 and R 3 together with the C atoms they are attached to form a 3- to 7-membered O-heterocyclyl ring.
- compounds of formula I according to the invention are particular, wherein R 4 is hydrogen or halogen. More particularly, R 4 is halogen.
- compounds of formula I, wherein R 4 is hydrogen or fluoro with those compounds of formula I, wherein R 4 is fluoro being most particular.
- R 5 is heteroaryl, said heteroaryl being unsubstituted or substituted by one, two or three groups selected from the group consisting of Ci_7-alkyl, halogen, halogen-Ci_7-alkyl, Ci_7-alkoxy, halogen-Ci_7-alkoxy, cyano, hydroxy-Ci_7-alkyl, oxo and phenyl.
- Particularly particular compounds of formula I of the present invention are the following: 3,5-dichloro-pyridine-2-carboxylic acid [3-((S)-2-amino-4-methyl-5,6-dihydro-4H-[l ,3]oxazin- 4-yl)-4-fluoro-phenyl]-amide,
- HC1 formic acid and trifluoro acetic acid
- CF3COOH trifluoro acetic acid
- the compounds of formula I can exist in tautomeric forms, e.g. in the following tautomeric form:
- Compounds of formula I possess one asymmetric carbon atom and can exist in the form of optically pure enantiomers and mixtures of enantiomers such as, for example, racemates.
- the optically active forms can be obtained for example by resolution of the racemates, by asymmetric synthesis or asymmetric chromatography (chromatography with a chiral adsorbens or eluant).
- the invention embraces all of these forms.
- the compounds of general formula I in this invention may be derivatised at functional groups to provide derivatives which are capable of conversion back to the parent compound in vivo.
- Physiologically acceptable and metabolically labile derivatives, which are capable of producing the parent compounds of general formula I in vivo are also within the scope of this invention.
- protecting group denotes the group which selectively blocks a reactive site in a multifunctional compound such that a chemical reaction can be carried out selectively at another unprotected reactive site in the meaning conventionally associated with it in synthetic chemistry.
- Protecting groups can be removed at the appropriat point.
- Exemplary protecting groups are amino -protecting groups, carboxy-protecting groups or hydroxy-protecting groups.
- protecting group in context with amines denotes groups intended to protect an amino group and includes benzyl, benzyloxycarbonyl (carbobenzyloxy, CBZ), Fmoc (9- Fluorenylmethyloxycarbonyl), p-methoxybenzyloxycarbonyl, p-nitrobenzyloxycarbonyl, tert- butoxycarbonyl (BOC), and trifluoroacetyl. Further examples of these groups are found in T. W. Greene and P. G. M. Wuts, "Protective Groups in Organic Synthesis", 2nd ed., John Wiley & Sons, Inc., New York, NY, 1991, chapter 7; E.
- IC50 half maximal inhibitory concentration
- IC50 values can be converted logarithmically to pIC50 values (-log IC50), in which higher values indicate exponentially greater potency.
- the IC50 value is not an absolute value but depends on experimental conditions e.g. concentrations employed.
- the IC50 value can be converted to an absolute inhibition constant (Ki) using the Cheng-Prusoff equation (Biochem. Pharmacol. (1973) 22:3099).
- inhibitor denotes a compound which competes with, reduces or prevents the binding of a particular ligand to particular receptor or which reduces or prevents the inhibition of the function of a particular protein.
- therapeutically effective amount denotes an amount of a compound of the present invention that, when administered to a subject, (i) treats or prevents the particular disease, condition or disorder, (ii) attenuates, ameliorates or eliminates one or more symptoms of the particular disease, condition, or disorder, or (iii) prevents or delays the onset of one or more symptoms of the particular disease, condition or disorder described herein.
- the therapeutically effective amount will vary depending on the compound, disease state being treated, the severity or the disease treated, the age and relative health of the subject, the route and form of administration, the judgement of the attending medical or veterinary practitioner, and other factors.
- treating includes (1) preventing the disease state, i.e. causing the clinical symptoms of the disease state not to develop in a subject that may be exposed to or predisposed to the disease state, but does not yet experience or display symptoms of the disease state, (2) inhibiting the disease state, i.e., arresting the development of the disease state or its clinical symptoms, or (3) relieving the disease state, i.e., causing temporary or permanent regression of the disease state or its clinical symptoms.
- Appropriate coupling agents are carbodiimides or uranium salts, such as for example ⁇ , ⁇ '- carbonyldiimidazole (CDI), N,AT-dicyclohexylcarbodiimide (DCC), N-(3- dimethylaminopropy ⁇ -A ⁇ -ethyl-carbodiimide-hydrochloride (EDCI), 0-(benzotriazol- 1 -yl)- tetrafluoroborate (TBTU) and l-[bis(dimethylamino)methylene]- lH-l,2,3-triazolo[4,5-b]pyridinium-3-oxide hexafluorophosphate (HATU).
- CDI ⁇ , ⁇ '- carbonyldiimidazole
- DCC N,AT-dicyclohexylcarbodiimide
- EDCI N-(3- dimethylaminopropy ⁇ -A ⁇ -ethyl-carbodi
- the term "under basic conditions” means the presence of a base, particularly an alkylamine such as diisopropylethylamine (DIE A) or triethylamine (TEA), or a tertiary amine such as N- methylmorpholine or 4-(dimethylamino)-pyridine.
- a base particularly an alkylamine such as diisopropylethylamine (DIE A) or triethylamine (TEA), or a tertiary amine such as N- methylmorpholine or 4-(dimethylamino)-pyridine.
- DIE A diisopropylethylamine
- TAA triethylamine
- a tertiary amine such as N- methylmorpholine or 4-(dimethylamino)-pyridine.
- DMF N,N-dimethylformamide
- DMAc dimethylacetamide
- Particular mineral acids for the deprotection are sulfuric acid or hydrochloric acid, more particularly hydrochloric acid in a solvent such as an ether, particularly diethyl ether or 1,4- dioxane, or neat trifluoro acetic acid.
- the invention further relates to compounds of formula I as defined above obtainable according to a process as defined above.
- the conversion of the sulfinyl imine A to the sulfmamide ester B or Ba proceeds stereoselectively by the chiral directing group as described by Tang & Ellman.
- the sulfinyl imine A can be reacted with a titanium enolate generated from e.g. an alkyl acetate, particularly methyl acetate, LDA and chlorotriisopropoxytitanium at low temperature, particularly at -78°C in a solvent such as an ether, e.g. diethyl ether or more particularly THF.
- Hydrolysis of the chiral directing group in the sulfmamide ester B to give the amino ester C can be accomplished with a mineral acid, e.g. sulfuric acid or particularly hydrochloric acid in a solvent such as an ether, e.g. diethyl ether or more particularly 1,4-dioxane.
- a mineral acid e.g. sulfuric acid or particularly hydrochloric acid
- a solvent such as an ether, e.g. diethyl ether or more particularly 1,4-dioxane.
- Aminoalcohol D can be prepared by the reduction of the methylester with an alkali hydride, particularly lithium borohydride or lithium aluminium hydride in a solvent such as an ether, e.g. diethyl ether or more particularly THF.
- an alkali hydride particularly lithium borohydride or lithium aluminium hydride
- a solvent such as an ether, e.g. diethyl ether or more particularly THF.
- Aminooxazine E can be prepared by a two-step procedure involving first the reaction of amino alkohol D and cyanogenbromide in a solvent such as an ether, particularly THF, followed by reaction with a mineral acid, particularly hydrochloric acid in a solvent such as THF.
- Boc-protected Aminooxazine F can be prepared by reaction of aminooxazine with di-tert- butyl-dicarbonate with an alkylamine such as TEA or particularly diisopropylamine in a solvent such as an ether, particularly THF.
- the reduction of the nitro group in the Boc-protected Aminooxazine F to the aniline G can be accomplished by hydrogenation using a catalysts such as Pd/C in protic solvents, such as alcohols, perferrabyl ethanol or methanol.
- Amide coupling of the aniline G and a carboxylic acid to give the amide H can be effected with a carbodiimide, e.g. DCC or EDCI in a solvent such as dichloromethane.
- Deprotection of the tert-butyloxycarbonyl group in H is effected with trif uoro acetic acid in a solvent such as dichloromethane .
- hydrolysis of the chiral directing group and the t-butyl ester in the sulfmamide ester Ba to give the amino acid Ca can be accomplished with a mineral acid, e.g. sulfuric acid or particularly hydrochloric acid in a solvent such as an ether, e.g.
- the reduction of the amino acid Ca to give the amino alcohol Da can be effected with an alkali hydride, e.g. lithium borohydride or lithium aluminium hydride or a borane, perferably BH 3 -THF complex in an ether as solvent, e.g. diethyl ether or more particularly THF.
- Ring closure of the amino alcohol Da to give the amino oxazine Ea can be prepared by a two-step procedure involving first the reaction of the amino alcohol Da and cyanogenbromide in a solvent such as an ether, particularly THF, followed by reaction with a mineral acid, particularly hydrochloric acid in a solvent such as THF.
- the reduction of the nitro group in the intermediate Ea to give the aniline Fa can be accomplished by hydrogenation using a catalyst such as Pd/C in protic solvents, such as alcohols, particularly methanol or more particularly ethanol.
- aminooxazines K can be prepared from an amino alcohol such as Jb (preparation described in WO 2009091016) by a two-step procedure involving first the reaction of amino alcohol J and cyanogenbromide in a solvent such as an ether, particularly THF, followed by reaction with a mineral acid, particularly hydrochloric acid in a solvent such as THF.
- a solvent such as an ether, particularly THF
- nitro group in K to give Eb was best performed according to the standard procedure involving sulfuric acid and nitric acid at low temperature, preferably at 0°C.
- the reduction of the nitro group in aminooxazine Eb to the aniline Fb can be accomplished by hydrogenation using a catalyst such as Pd/C in protic solvents, such as alcohols, particularly methanol or more particularly ethanol.
- Amide coupling of the aniline Fb and a carboxylic acid to give the amides I can be effected with a carbodiimide, e.g. DCC, EDCI or preferably DMTMM in a suitable solvent such as methanol.
- a carbodiimide e.g. DCC, EDCI or preferably DMTMM in a suitable solvent such as methanol.
- the compounds of formula I of the present invention can be used as medicaments for the treatment of diseases which are associated with the inhibition of BACE2.
- the compounds of formula I of the present invention can be used as medicaments for the treatment of diseases which are associated with the inhibition of BACE2.
- the compounds of formula I of the invention will be useful in preserving and restoring beta-cell function and stimulating insulin secretion in diabetic patients and in non-diabetic patients who have impaired glucose tolerance or who are in a pre-diabetic condition. They may be useful in treating type 1 diabetes or in delaying or preventing a patient with type 2 diabetes from needing insulin therapy.
- the compounds of formula I are further useful to ameliorate hyperinsulinemia, which often occurs in diabetic or pre-diabetic patients and in reducing the risks associated with metabolic syndrome, they may also be useful in treating vascular diseases such as hypertension.
- the expression 'diseases which are associated with the inhibition of BACE2 activity' means diseases such as metabolic and cardiovascular diseases, in particular diabetes, more particularly type 2 diabetes, gestational diabetes, impaired fasting glucose, impaired glucose tolerance, insulin resistance, pre-diabetes, metabolic syndrome, diabetes type 1, complications of diabetes including diabetic nephropathy, diabetic retinopathy and diabetic neuropathy, chronic kidney disease, dyslipidemia, atherosclerosis, myocardial infarction, hypertension and further metabolic and cardiovascular disorders.
- diseases such as metabolic and cardiovascular diseases, in particular diabetes, more particularly type 2 diabetes, gestational diabetes, impaired fasting glucose, impaired glucose tolerance, insulin resistance, pre-diabetes, metabolic syndrome, diabetes type 1, complications of diabetes including diabetic nephropathy, diabetic retinopathy and diabetic neuropathy, chronic kidney disease, dyslipidemia, atherosclerosis, myocardial infarction, hypertension and further metabolic and cardiovascular disorders.
- the expression 'diseases which are associated with the inhibition of BACE2 activity' relates to diabetes, particularly type II diabetes, impaired glucose tolerance, pre-diabetes, metabolic syndrome and hypertension. More particularly, the expression 'diseases which are associated with the inhibition of BACE2 activity' relates to diabetes, most particularly type 2 diabetes.
- the invention also relates to pharmaceutical compositions comprising a compound as defined above and a pharmaceutically acceptable carrier and/or adjuvant. More specifically, the invention relates to pharmaceutical compositions useful for the treatment of diseases which are associated with the inhibition of BACE2 activity.
- the invention relates to compounds of formula I as defined above for use as medicaments, particularly as medicaments for the treatment or prevention of diseases which are associated with the inhibition of BACE2 activity.
- compounds of formula I for use in diabetes particularly type 2 diabetes.
- the invention in another aspect, relates to a method for the treatment or prevention of diseases which are associated with the inhibition of BACE2 activity, which method comprises administering a therapeutically active amount of a compound of formula I to a human being or animal.
- a method for the treatment of diabetes, particularly type 2 diabetes, is particular.
- the invention further relates to the use of compounds of formula I as defined above for the treatment of diseases which are associated with the inhibition of BACE2 activity.
- the invention relates to the use of compounds of formula I as defined above for the preparation of medicaments for the treatment or prevention of diseases which are associated with the inhibition of BACE2 activity.
- the compounds of formula I and their pharmaceutically acceptable salts can be used as medicaments, e.g., in the form of pharmaceutical preparations for enteral, parenteral or topical administration. They can be administered, for example, perorally, e.g., in the form of tablets, coated tablets, dragees, hard and soft gelatine capsules, solutions, emulsions or suspensions, rectally, e.g., in the form of suppositories, parenterally, e.g., in the form of injection solutions or suspensions or infusion solutions, or topically, e.g., in the form of ointments, creams or oils. Oral administration is particular.
- the production of the pharmaceutical preparations can be effected in a manner which will be familiar to any person skilled in the art by bringing the described compounds of formula I and their pharmaceutically acceptable salts, optionally in combination with other therapeutically valuable substances, into a galenical administration form together with suitable, non-toxic, inert, therapeutically compatible solid or liquid carrier materials and, if desired, usual pharmaceutical adjuvants.
- Suitable carrier materials are not only inorganic carrier materials, but also organic carrier materials.
- lactose, corn starch or derivatives thereof, talc, stearic acid or its salts can be used as carrier materials for tablets, coated tablets, dragees and hard gelatine capsules.
- Suitable carrier materials for soft gelatine capsules are, for example, vegetable oils, waxes, fats and semi-solid and liquid polyols (depending on the nature of the active ingredient no carriers might, however, be required in the case of soft gelatine capsules).
- Suitable carrier materials for the production of solutions and syrups are, for example, water, polyols, sucrose, invert sugar and the like.
- Suitable carrier materials for injection solutions are, for example, water, alcohols, polyols, glycerol and vegetable oils.
- Suitable carrier materials for suppositories are, for example, natural or hardened oils, waxes, fats and semi-liquid or liquid polyols.
- Suitable carrier materials for topical preparations are glycerides, semi-synthetic and synthetic glycerides, hydrogenated oils, liquid waxes, liquid paraffins, liquid fatty alcohols, sterols, polyethylene glycols and cellulose derivatives.
- Usual stabilizers preservatives, wetting and emulsifying agents, consistency-improving agents, flavour-improving agents, salts for varying the osmotic pressure, buffer substances, solubilizers, colorants and masking agents and antioxidants come into consideration as pharmaceutical adjuvants.
- the dosage of the compounds of formula I can vary within wide limits depending on the disease to be controlled, the age and the individual condition of the patient and the mode of administration, and will, of course, be fitted to the individual requirements in each particular case. For adult patients a daily dosage of about 1 to 1000 mg, especially about 1 to 300 mg, comes into consideration. Depending on severity of the disease and the precise pharmacokinetic profile the compound could be administered with one or several daily dosage units, e.g., in 1 to 3 dosage units.
- the pharmaceutical preparations conveniently contain about 1-500 mg, particularly 1-100 mg, of a compound of formula I.
- the following examples serve to illustrate the present invention in more detail. They are, however, not intended to limit its scope in any manner.
- DCC N,N'-diisopropyl-carbodiimide
- DIEA diisopropylethylamine
- DMAc dimethylacetamide
- DMAP 4-dimethylaminopyridine
- DMF N,N-dimethylformamide
- DMSO dimethyl sulfoxide
- EDCI N-(3-dimethylaminopropyl)-N'-ethyl-carbodiimide hydrochloride
- HATU l-[bis(dimethylamino)methylene]-lH-l,2,3-triazolo[4,5-3 ⁇ 4]pyridinium- 3-oxide hexafluorophosphate
- HC1 hydrogen chloride
- HPLC high performance liquid chromatography
- LDA lithium diisopropylamide
- MS mass spectrum
- NMR nuclear magnetic resonance
- TEA triethylamine
- THF tetrahydrofuran.
- the mixture was treated with a solution of the sulfinyl imine A (17.1 mmol) in THF (10 ml) and stirring was continued at -78 °C for 3 h.
- the mixture was quenched with saturated aqueous NH 4 C1 solution (150 ml) and the mixture was filtered over dicalite. The layers were separated, the aqueous layer was extracted with ethyl acetate, the combined organic layers were washed with water, dried and evaporated. The residue was chromato graphed on silica using a mixture of heptane and ethylacetate as eluent to give the pure sulfmamide ester B.
- the 3-(2,2,2-trifluoro-ethoxy)-pyridine-2-carboxylic acid was prepared as follows: a) To a solution of 3-hydroxy-pyridine-2-carboxylic acid methyl ester (200 mg, 1.3 mmol) in N,N-dimethylformamide (2.0 ml) was added at 22 °C sodium hydride (55% in oil, 64 mg) and stirring was continued until gas evolution ceased. The suspension was cooled to 0 °C and treated with trifluoro ethyl trifluormethanesulfonate (728 mg) and stirring was continued at 22 °C for 2 hours.
- Assay for BACE inhibition by measuring cellular TMEM27 cleavage uses the principle of inhibition of human TMEM27 cleavage by endogenous cellular BACE2 in the Insle rat cell line and shedding from the cell surface into the culture medium, followed by detection in an ELISA assay. Inhibition of BACE2 prevents the cleavage and shedding in a dose-dependent manner.
- the stable cell line "INS-TMEM27” represents an INSle-derived cell line with inducible expression (using the TetOn system) of full-length hTMEM27 in a doxycycline-dependent manner.
- the cells are cultured throughout the experiment in RPMI1640 + Glutamax (Invitrogen) Penicillin/Streptomycin, 10% Fetal bovine serum, 100 mM pyruvate, 5 mM beta- mercaptoethanol, 100 micrograms/ml G418 and lOOmicrogram/ml hygromycin and are grown inadherent culture at 37 °C in a standard C0 2 cell culture incubator.
- Glutamax Invitrogen
- Penicillin/Streptomycin 10% Fetal bovine serum
- 100 mM pyruvate 100 mM pyruvate
- 5 mM beta- mercaptoethanol 100 micrograms/ml G418 and lOOmicrogram/ml hygromycin
- INS-TMEM27 cells are seeded in 96-well plates. After 2 days in culture, BACE2 inhibitor is added in a range of concentrations as required by the assay and after a further two hours, doxycycline is added to a final concentration of 500ng/ml. The cells are incubated for a further 46 hours and the supernatant harvested for detection of shed TMEM27. An ELISA assay (using a pair of mouse anti-human-TMEM27 antibodies, raised against the extracellular domain of TMEM27) is used for detection of TMEM27 in the culture medium. An IC 50 for BACE2 inhibition is calculated using the ELISA readout for each inhibitor concentration with standard curve-fitting software XLfit (IDBS) for the Excel spreadsheet program.
- IDBS standard curve-fitting software XLfit
- Film coated tablets containing the following ingredients can be manufactured in a conventional manner:
- the active ingredient is sieved and mixed with micro crystalline cellulose and the mixture is granulated with a solution of polyvinylpyrrolidone in water.
- the granulate is mixed with sodium starch glycolate and magnesiumstearate and compressed to yield kernels of 120 or 350 mg respectively.
- the kernels are lacquered with an aqueous solution / suspension of the above mentioned film coat.
- Capsules containing the following ingredients can be manufactured in a conventional manner: Ingredients Per capsule
- Injection solutions can have the following composition:
- the active ingredient is dissolved in a mixture of Polyethylene Glycol 400 and water for injection (part).
- the pH is adjusted to 5.0 by Acetic Acid.
- the volume is adjusted to 1.0 ml by addition of the residual amount of water.
- the solution is filtered, filled into vials using an appropriate overage and sterilized.
- Soft gelatin capsules containing the following ingredients can be manufactured in a conventional manner:
- Soya bean oil HO.O mg
- Iron oxide yellow 1.1 mg
- the active ingredient is dissolved in a warm melting of the other ingredients and the mixture is filled into soft gelatin capsules of appropriate size.
- the filled soft gelatin capsules are treated according to the usual procedures.
- Example E Sachets containing the following ingredients can be manufactured in a conventional manner:
- Microcristalline cellulose (AVICEL PH 102) 1400.0 mg
- Flavoring additives 1.0 mg
- the active ingredient is mixed with lactose, microcristalline cellulose and sodium carboxymethyl cellulose and granulated with a mixture of polyvinylpyrrolidone in water.
- the granulate is mixed with magnesium stearate and the flavouring additives and filled into sachets.
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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EP10790920.2A EP2509966B1 (en) | 2009-12-10 | 2010-12-07 | Amino oxazine derivatives |
KR1020127017733A KR101437750B1 (ko) | 2009-12-10 | 2010-12-07 | 아미노 옥사진 유도체 |
JP2012542524A JP2013513568A (ja) | 2009-12-10 | 2010-12-07 | アミノオキサジン誘導体 |
CN2010800555310A CN102652129A (zh) | 2009-12-10 | 2010-12-07 | 氨基噁嗪衍生物 |
CA2780693A CA2780693A1 (en) | 2009-12-10 | 2010-12-07 | Amino oxazine derivatives |
MX2012005810A MX2012005810A (es) | 2009-12-10 | 2010-12-07 | Derivados de oxazin amino. |
BR112012013322A BR112012013322A2 (pt) | 2009-12-10 | 2010-12-07 | derivados de amino oxazina |
RU2012126083/04A RU2012126083A (ru) | 2009-12-10 | 2010-12-07 | Производные аминооксазина |
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EP09178642 | 2009-12-10 | ||
EP09178642.6 | 2009-12-10 |
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EP (1) | EP2509966B1 (ja) |
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KR (1) | KR101437750B1 (ja) |
CN (1) | CN102652129A (ja) |
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BR (1) | BR112012013322A2 (ja) |
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Also Published As
Publication number | Publication date |
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JP2015051992A (ja) | 2015-03-19 |
AR079334A1 (es) | 2012-01-18 |
US7964594B1 (en) | 2011-06-21 |
US20110144098A1 (en) | 2011-06-16 |
EP2509966A1 (en) | 2012-10-17 |
JP2013513568A (ja) | 2013-04-22 |
BR112012013322A2 (pt) | 2019-09-24 |
MX2012005810A (es) | 2012-06-12 |
TW201125863A (en) | 2011-08-01 |
CA2780693A1 (en) | 2011-06-16 |
CN102652129A (zh) | 2012-08-29 |
KR20120103694A (ko) | 2012-09-19 |
EP2509966B1 (en) | 2014-10-22 |
KR101437750B1 (ko) | 2014-09-03 |
RU2012126083A (ru) | 2014-01-20 |
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