ES2551875T3 - Agentes nuevos contra la malaria - Google Patents

Agentes nuevos contra la malaria Download PDF

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ES2551875T3
ES2551875T3 ES11704673.0T ES11704673T ES2551875T3 ES 2551875 T3 ES2551875 T3 ES 2551875T3 ES 11704673 T ES11704673 T ES 11704673T ES 2551875 T3 ES2551875 T3 ES 2551875T3
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pyridin
phenyl
amine
amino
mhz
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Michael John Witty
David Hardick
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MMV Medicines for Malaria Venture
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    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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    • C07D213/73Unsubstituted amino or imino radicals
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    • C07D471/04Ortho-condensed systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Organic Chemistry (AREA)
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  • Pharmacology & Pharmacy (AREA)
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  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyridine Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Una aminopiridina de acuerdo con la Fórmula (I),**Fórmula** En donde X e Y están seleccionadas independientemente de opcionalmente sustituido aril y opcionalmente sustituido heteroaril, así como sus tautómeros, isómeros geométricos, sus formas ópticamente activas, sus sales y complejos farmacéuticamente aceptables, derivado activo farmacéuticamente de los mismos para su utilización en el tratamiento o profilaxis de la malaria.

Description

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DESCRIPCIÓN
Agentes nuevos contra la Malaria.
5 Ámbito de la invención
La presente invención se refiere a unos medicamentos nuevos contra la malaria. Específicamente, la presente invención está relacionada con los agentes utilizables para la preparación de una formulación farmacéutica para prevenir o tratar la malaria y los métodos de su utilización y fabricación.
Antecedentes de la invención
La malaria es causada por los parásitos protozoarios del género Plasmodium que infectan y destruyen los glóbulos rojos de la sangre, provocando fiebre, anemia severa, malaria cerebral y, si no se recibe tratamiento, la muerte. La
15 Plasmodium falciparum es la especie dominante en el África subsahariana y es responsable de casi 1 millón de muertes cada año. La carga de la enfermedad es la más pesada en los niños Africanos menores de 5 años de edad y en las mujeres embarazadas. El Plasmodium Vivax causa el 25-40% de la carga global de la malaria, particularmente en Sur y Sudeste de Asia y en América Central y del Sur. Las otras dos especies principales que se sabe que infectan a los seres humanos son el Plasmodium ovale y el Plasmodium malariae.
La malaria es una enfermedad que es prevalente en muchos países en desarrollo. Aproximadamente el 40% de la población del mundo vive en los países donde la enfermedad es endémica; aproximadamente 247 millones de personas sufren de la enfermedad cada año.
25 En la actualidad son utilizadas diversos medicaciones para el tratamiento de la malaria. Sin embargo, muchos de estas medicaciones son costosas y algunas exhiben toxicidad significativa y efectos secundarios indeseables en los seres humanos. El medicamento más común para el tratamiento de la malaria es la cloroquina. Otros medicamentos incluyen la quinina, la melfloquina, la atovacuona/proguanil, la doxiciclina, el artesunato, la hidroxicloroquina, la halofantrina, la pirimetamina-sulfadoxina y la primaquina.
Sin embargo, la emergencia generalizada de resistencia de los parásitos de la malaria en muchos países tropicales ha comprometido muchas de las actuales quimioterapias y existe una continua necesidad de nuevos enfoques quimioterapéuticos. De acuerdo con ello, esta invención proporciona nuevos fármacos potentes contra la malaria y la metodología de tratamiento de la malaria usando unos agentes nuevos potentes contra la malaria.
35 El documento de patente WO 2008/025820 informa acerca de las aminopiridinas útiles como inhibidores de la ltk proteína quinasa.
El documento de patente WO 2007/032016 divulga la cloropiridina para el tratamiento de la malaria.
Resumen de la invención
La presente invención está dirigida hacia los derivados de la aminopiridina útiles en el tratamiento y/o profilaxis de la malaria, la formulación farmacéutica y la utilización y la fabricación de los mismos.
45 Un primer aspecto de la invención proporciona una utilización de un derivado de la aminopiridina de acuerdo con la invención o una sal farmacéuticamente aceptable del mismo o un derivado farmacéuticamente activo de los mismos, para la preparación de una composición farmacéutica para la prevención y/o el tratamiento de la malaria.
Un segundo aspecto de la invención se refiere a un derivado de la aminopiridina de acuerdo con la invención o una sal farmacéuticamente aceptable del mismo o un derivado farmacéuticamente activo, para la prevención y/o el tratamiento de la malaria.
Un tercer aspecto de la invención se refiere a los derivados de la aminopiridina de acuerdo con la invención, las 55 formulaciones farmacéuticas de los mismos y el utilización de los mismos como un medicamento.
Un quinto aspecto de la invención proporciona un proceso para la preparación de un derivado de la aminopiridina de acuerdo con la invención.
Otras características y ventajas de la invención serán aparentes de la descripción detallada siguiente.
Descripción detallada de la invención
Los párrafos siguientes proporcionan las definiciones de las varios moléculas químicas que conforman los
65 compuestos de acuerdo con la invención y que se intenta aplicar uniformemente a lo largo de las especificaciones y las reivindicaciones, a menos que otra definición expresamente establecida proporcione una definición más amplia.
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(N,N-dimetil){4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il] benceno} sulfonamida;
4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]-N,N-dimetil benzamida;
5-(2-metoxi piridin-5-il)-3-[4-(metilsulfonil) fenil]piridin-2-amina;
5-[4-(metil sulfonil)fenil]-3-(pirimidin-5-il)piridin-2-amina;
5 (morfolino){4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]benceno} sulfonamida; (N-metil piperazin) {4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]benceno} sulfonamida; 3,5-di-[4-(metilsulfonil)fenil]piridin-2-amina; 3-(2-metoxi piridin-5-il)-5-[3-(metil sulfonil)fenil]piridin-2-amina; (N-metil){4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]benceno}sulfonamida; 4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]-N-metilbenzamida; {4-[2-amino-3-(2-metoxi piridin-5-il) piridin-5-il] fenil}(morfolino)metanona; 4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]benzamida; 4-[6-amino-5-(2-metoxipiridin-5-il)piridin-3-il] benzoic acid; N-{4-[2-amino-3-(2-metoxi piridin-5-il) piridin-5-il] benceno}metil sulfonamida;
15 4-[6-amino-5-(6-metoxipiridin-3-il)piridin-3-il]-N-(3-hidroxipropil)benzamida; 5-(benzo[c][1,2,5]oxadiazol-6-il)-3-(2-metoxipiridin-5-il)piridin-2-amina; N-ciclopropil-{4-[2-amino-3-(2-metoxi piridin-5-il) piridin-5-il] benceno} sulfonamida; 5-(H-imidazo[1,2-a]piridin-6-il)-3-(2-metoxi piridin-5-il)piridin-2-amina; 3-(2-metoxi piridin-3-il)-5-(1-metil-1H-indazol-6-il)piridin-2-amina; 4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]-N-ciclopropil benzamida; 4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]-N-(2-morfolino etil)benzamida; 3-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]benzamida; 3-(2-metoxipiridin-5-il)-5-[4-(5-metil-1,3,4-oxadiazol-2-il)fenil]piridin-2-amina; 3-(2-metoxipiridin-5-il)-5-(6-morfolinopiridin-3-il)piridin-2-amina;
25 5-[4-(1H-piazol-1-il)fenil]-3-(2-metoxi piridin-5-il)piridin-2-amina; 3-(2-metoxi piridin-5-il)-5-(quinolin-6-il) piridin-2-amina; 4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]-N-[2-(pirolidin-1-il)etil]benzamida; 5-[2-(trifluoro metil)-4-(metilsulfonil)fenil]-3-(2-metoxipiridin-5-il)piridin-2-amina; {4-[2-amino-3-(4-carbamoil fenil)piridin-5-il]fenil}(morfolino)metanona; 4-[2-amino-3-(2-metilpiridin-5-il)piridin-5-il]benzamida; [4-(2-amino-5-metilpiridin-3-il)-N-(2-hidroxietil)benzamido](morfolino) metanona; 4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]benceno sulfonamida; 4-[2-amino-3-(4-benzamido)piridin-5-il]benzamida; {4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]fenil} (4-metilpiperazin-1-il) metanona;
35 4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]-N-[4-(aminometil)tiazol-2-il] benzamida; {4-[2-amino-3-(4-(trifluorometil)fenil)piridin-5-il]fenil}(morfolino)metanona; 3-(2-metoxi piridin-3-il)-5-[4-(metil sulfonil fenil]piridin-2-amina; 5-[4-(metil sulfonil)fenil]-3-(piridin-3-il)piridin-2-amina; 4-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3-il}benzonitrilo; 3-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3-il}benzonitrilo; 4-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3-il}benzamida; 4-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3-il}-N-metilbenzamida; 3-(H-imidazo[1,2-a]piridin-6-il)-5-[4-(metil sulfonil)fenil]piridin-2-amina; 3-(2-metoxi pirimidin-5-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina;
45 5-[4-(metil sulfonil)fenil]-3-(quinoxalin-7-il)piridin-2-amina; 3-(furan-3-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; 3-[4-(5-metil-1,3,4-oxadiazol-2-il)fenil]-5-[4-(metilsulfonil)fenil]piridin-2-amina; 3-(3-cloro-2-metoxipiridin-5-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; 5-[4-(metilsulfonil)fenil]-3-[3-(trifluorometoxi)fenil]piridin-2-amina; 5-[4-(metilsulfonil)fenil]-3-[4-(trifluorometoxi)fenil]piridin-2-amina; 5-[4-(metilsulfonil)fenil]-3-[2-(pirolidin-1-il)piridin-5-il]piridin-2-amina; 3-[2-cloro-4-(trifluorometil)fenil]-5-[4-(metilsulfonil) fenil] piridin-2-amina; 3-(3-metoxi piridin-4-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; 5-[4-(metilsulfonil)fenil]-3-(2-morfolino piridin-5-il)piridin-2-amina;
55 3-[2-(trifluorometil)piridin-4-il]-5-[4-(metilsulfonil)fenil]piridin-2-amina; 3-(2-metilpiridin-5-il)-5-[4-(metil sulfonil)fenil]piridin-2-amina; 3-[2-(trifluoro metil)piridin-5-il]-5-[4-(metil sulfonil)fenil]piridin-2-amina; 3-{4-[2-(pirolidin-1-il)etoxi] fenil}-5-[4-(metilsulfonil)fenil]piridin-2-amina; 5-[4-(metil sulfonil)fenil]-3-(4-morfolinofenil)piridin-2-amina; 3-[4-(1H-piazol-1-il)fenil]-5-[4-(metilsulfonil)fenil]piridin-2-amina; 5-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3-il}pirimidin-2-amina; 3-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3-il}benzamida; 3-(6-metoxi-2-metilpiridin-3-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; 3-(isoquinolin-5-il)-5-[4-(metil sulfonil)fenil]piridin-2-amina;
65 5-[4-(metil sulfonil)fenil]-3-(quinolin-6-il)piridin-2-amina; 5-[4-(metilsulfonil)fenil]-3-p-tolilpiridin-2-amina;
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3-(3-metoxi piridin-4-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; 5-[4-(metilsulfonil)fenil]-3-(2-morfolino piridin-5-il)piridin-2-amina; 3-[2-(trifluorometil)piridin-4-il]-5-[4-(metilsulfonil)fenil]piridin-2-amina; 3-(2-metilpiridin-5-il)-5-[4-(metil sulfonil)fenil]piridin-2-amina; 3-[2-(trifluoro metil)piridin-5-il]-5-[4-(metil sulfonil)fenil]piridin-2-amina; 3-{4-[2-(pirolidin-1-il)etoxi] fenil}-5-[4-(metilsulfonil)fenil]piridin-2-amina; 5-[4-(metil sulfonil)fenil]-3-(4-morfolinofenil)piridin-2-amina; 3-[4-(1H-piazol-1-il)fenil]-5-[4-(metilsulfonil)fenil]piridin-2-amina; 5-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3-il}pirimidin-2-amina; 3-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3-il}benzamida; 3-(6-metoxi-2-metilpiridin-3-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; 3-(isoquinolin-5-il)-5-[4-(metil sulfonil)fenil]piridin-2-amina; 5-[4-(metil sulfonil)fenil]-3-(quinolin-6-il)piridin-2-amina; 5-[4-(metilsulfonil)fenil]-3-p-tolilpiridin-2-amina; {5-[2-amino-5-(4-(metilsulfonil)fenil)piridin-3-il]piridin-2-il}metanol; 3-(2-metilbenzo[d]tiazol-5-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; N-{4-[2-amino-5-(4-(metilsulfonil) fenil)piridin-3-il]fenil}-2-(dimetilamino) acetamida; 3-(2-fluoropiridin-5-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; 5-[4-(metilsulfonil)fenil]-3-[2-(metilsulfonil)piridin-5-il]piridin-2-amina; N-{5-[2-amino-5-(4-(metilsulfonil)fenil)piridin-3-il]piridin-2-il} acetamida; 3-(benzo[c][1,2,5]oxadiazol-5-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; 3-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3-il]-N-(2-hidroxietil)benzamida; 3-[4-(trifluorometil)fenil]-5-[4-(metilsulfonil)fenil]piridin-2-amina; 3-(3-metilpiridin-5-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; and 5-[3-fluoro-4-(metilsulfonil)fenil]-3-(2-metoxipiridin-5-il)piridin-2-amina.
En otra realización particular, se proporciona una aminopiridina de acuerdo con la invención para su utilización como un medicamento con la condición de que no es fenil 4-[2-amino-5-(4-metilsulfonil) piridin-3-il] fenol, ni 4-[2-amino-3(2-metoxipiridin-5-il) piridin-5-il]-N-ciclopropil benzamida.
En otra realización, la invención proporciona un derivado de la aminopiridina de acuerdo con la invención así como las sales o los complejos farmacéuticamente aceptables y los derivados farmacéuticamente activos de las mismas, para su utilización en el tratamiento o la profilaxis de la malaria.
En otra realización, la invención proporciona una utilización de un derivado de la aminopiridina o un método de acuerdo con la invención en donde el derivado de la aminopiridina es para ser administrado en combinación con un agente concurrente útil en el tratamiento de la malaria.
En otra realización, la invención proporciona una composición farmacéutica que comprende un derivado de la aminopiridina de acuerdo con la invención en combinación con un agente concurrente útil en el tratamiento de la malaria.
En otra realización, la invención proporciona un proceso para la preparación de un derivado de aminopiridina de acuerdo con la invención que comprende el paso de la reacción de un derivado sustituido 5-bromopiridin-2-amina sustituido de acuerdo con la Formula (iv) con un ácido borónico de la Fórmula (v) bajo las condiciones de la reacción
imagen12
En donde X e Y son tal como está descrito en este documento.
En un aspecto adicional, de acuerdo con la invención, es proporcionado un proceso de acuerdo con la invención en donde el derivado sustituido 5-bromopiridin-2-amina de acuerdo con la Formula (iv) en donde Y tal como está definido en este documento es seleccionado del grupo que consta de:
3-(2-amino-5-bromo-3-piridil) fenol; 4-(2-amino-5-bromo-3-piridil)-2-metoxi-fenol; 4-(2-amino-5-bromo-3-piridil) fenol; 4-(2-amino-5-bromo-3-piridil)-2-metoxi-fenol; 5-bromo-3-[4-(4-metilpiperazin-1-il) fenil]piridin-2-amina; 5-bromo-6’-metoxi-3,3’-bipiridin-2-amina; 5-bromo-3-(4-(metilsulfonil)fenil) piridin-2-amina;
imagen13
imagen14
imagen15
imagen16
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4
4-[2-amino-5-(4-metilsulfonilfenil) piridin-3-il]-2metoxifenol 371
5
4-[2-amino-5-(4-metilsulfonilfenil) piridin-3-il]fenol 341
6
4-[2-amino-5-(6-metoxipiridin-3-il) piridin-3-il]-2- metoxifenol 324
7
4-[6-amino-5-[4-(4-metilpiperazin-1-il) fenil]piridin3-il]-2,6-dimetilfenol
(Continuación)
Compuesto
Nombre químico Estructura MS m/z [M+H]*
8
[4-[6-amino-5-(6-metoxipiridin-3-il) piridin-3il]fenil]metanol imagen17 308
9
4-[6-amino-5-[4-(4-metilpiperazin-1-il) fenil]piridin3-il]fenol 371
Datos de caracterización para el compuesto 2: NMR 1H (400 MHz, CDCl3): δ 8,41 (d, 1 H, J = 2,4 Hz), 8,01-7,98 (m, 2 H) 7,77-7,63 (m, 7 H), 4,73 (bs, 2 H) y 3,08 (s, 3 H).
Fueron utilizados los productos intermedios de la Fórmula (iv) en donde Y son como están definidos en la descripción detallada:
imagen18
imagen19
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imagen20
3-bromo-5-(4-(metilsulfonil)fenil) piridin-2-amina (14’). Fue utilizado el intermedio de la Fórmula (iii) ó (v) en donde X e Y es como está definido en la descripción detallada:
imagen21
2-amino-5’-metoxi.3,3’-bipiridin-5-il ácido borónico (15’)
Los siguientes compuestos enumerados en la Tabla 2 de más abajo se prepararon utilizando un procedimiento análogo al procedimiento descrito en el Ejemplo 1:
10 5
Tabla 2
Nombre químico Estructura MS m/z [M+H]+ 1H NMR
10
(N,N-dimetil){4-[2-amino-3-(2metoxipiridin-5-il)piridin-5-il] benceno} sulfonamida imagen22 385 300 MHz,CDCl3; δ 8,32 (d, 1H, J = 2,4Hz), 8,28 (dd, 1H, J=2,4& 0,9Hz), 7.84 (d, 2H, J=8,7Hz), 7,69 (m, 4H), 6,89 (dd, 1H, J=8,7 & 0,9Hz), 5,22(bs, 2H), 4,00 (s, 3H) &2,74 (s,6H)
11
4-[2-amino-3-(2-metoxipiridin-5-il)piridin5-il]-N,N-dimetil benzamida 349 300 MHz,CDCl3; δ 8,31 (d, 1H,J=2,4Hz), 8,27 (d, 1H, J=2,4Hz), 7,70 (dd, 1H, J = 8,4 & 2,4Hz), 7,59 (d, 1H, J =2,4Hz), 7,55 (d, 2H, =8,4Hz),7,48 (d, 2H, =8,4Hz), 6,86 (d,1H, J=8,4Hz), 4,88 (bs, 2H),3,98 (s, 3H) & 3,09 (bs, 3H),3,04 (bs, 3H)
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5-(2-metoxi piridin-5-il)-3-[4-(metilsulfonil)
300 MHz,CDCl3;
fenil] piridin-2-amina
356 δ8,31 (d, 1H,J = 2,4Hz), 8,27 (d, 1H, J =2,4Hz), 7,70 (dd, 1H, J = 8,4 & 2,4Hz), 7,59 (d, 1H, J = 2,4Hz), 7,55 (d, 2H, J = 8,4Hz), 7,48(d, 2H, J = 8,4Hz), 6,86 (d, 1H,J = 8,4Hz), 4,88 (bs, 2H), 3,98 (s, 3H) & 3,09 (bs, 3H), 3,04(bs, 3H)
13
5-[4-(metil sulfonil)fenil]- 3-(pirimidin-5
400 MHz, DMSO-d6;
il)piridin-2-amina
327 δ 9.16 (s, 1H), 8.91 (s, 2H), 8,46 (d, 1H,,J = 2,4Hz), 7,92 (d, 2H, J = 8, 7,89 (d, 2H, J = 8.8Hz), 7,84 (d, 1H, 2,4Hz), 6,27 (s, 2H), 3,19 (s, 3H)
14
(Morfolino) {4-[2-amino-3-(2
300 MHz, CDCl3; δ
metoxipiridin-5-il)piridin-5-il] benceno}
427 8,33 (d, 1H,J =
sulfonamida
2,4Hz), 8,27 (d, 1H, J
=2,4Hz), 7,79 (d, 2H,
J = 8,4Hz),7,70 (d,
1H, J = 2,4Hz),
7,67(d, 2H, J =
8,4Hz), 7,60 (d, 1H,J
= 2,4Hz), 6,87 (d, 1H,
J = 8,4Hz), 4,94 (bs,
2H), 3,98 (s,3H), 3,74
(bt, 4H, J = 4,8Hz) &
3,03 (bt, 4H, J =
4,8Hz)
Nombre químico Estructura MS m/z [M+H]+ 1H NMR
15
3,5-di(2-metoxi piridin-5-il)
300 MHz, DMSO-d6:
piridin-2-amina
309 δ 8,43 (dd, 1H, J = 2,4 & 0,6 Hz), 8,29 (dd, 1H, J = 2,4 & 0,9 Hz), 8,27(d, 1H, J = 2,4Hz), 7.97 (dd, 1H, J = 8,7 & 2,7Hz), 7,84 (dd,1H, J = 8,7 & 2,7Hz), 7,61 (d,1H, J = 2,7Hz), 6,88 (m, 2H, = 7,8Hz), 5,71 (bs, 2H), 3,91(s, 3H) & 3,88 (s, 3H)
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(N-metil piperazin) {4-[2-amino-
300 MHz, CDCl3: δ
3-(2-metoxipiridin-5-il)piridin
440 8,35 (d, 1H,J =
5-il] benceno} sulfonamida
2,4Hz), 8,29 (d, 1H, J
= 2,4Hz), 7,79 (dt,
1H, J = 8,7 &1.8Hz),
7,72 (dd, 1H, J = 8,4
&,2,4Hz), 7,67 (dt,
2H, J = 8,7 &,1,8Hz),
7,56 (d, 1H, J =
2,4Hz), 6,88 (d, 1H, J
= 8,4 Hz), 4,71(bs,
2H), 4,00 (s, 3H),
3,10 (bt, 4H, J =
5,1Hz), 2,53 (bt, 4H, J
= 5,1Hz) & 2,29 (s,
3H)
17
3,5-di-[4-(metil sulfonil)fenil]piridin-2amina 403 400 MHz, DMSO-d6: δ 8,48 (d,1H, J = 2,4Hz), 8,03 (d, 2H, J = 8,4Hz), 7,97 (d, 2H, J = 9.2 Hz),7.94 (d, 2H, J = 9,2 Hz),7,84 (d, 2H, J = 8.4Hz), 7,81(d, 1H, J = 2,4Hz), 6,17 (bs, 2H), 3,27 (s, 3H) & 3,23 (s, 3H)
18
3-(2-metoxi piridin-5-il)-5-[3-(metil
400 MHz, DMSO-d6:
sulfonil)fenil] piridin-2-amina
356 δ 8,41 (d,1H, J = 2,4 Hz), 8,31 (d, 1H, J = 2,4 Hz), 8,15 (bt, 1H, J =1,6 Hz), 8,03 (m, 1H), 7,86 (dd,1H, J = 8.4 & 2,4 Hz), 7,82 (m,1H), 7,77 (d, 1H, J = 2,4 Hz),7,68 (t, 1H, J = 8,0 Hz), 6,93 (d,1H, J = 8,4 Hz), 5,97 (bs, 2H), 3,92 (s, 3H) & 3,28 (s, 3H)
21
(N-metil){4-[2-amino-3-(2-metoxipiridin-5il)piridin-5-il] benceno} sulfonamida 371 400 MHz, CDCl3: δ 8,26 (d, 1H, J = 2,0 Hz), 8,32 (d, 1H, J = 2,4Hz), 7,88 (d, 2H, J = 8.4Hz),7,69 (dd, 1H, J = 8,4 & 2,4Hz),7,64 (d, 2H, J = 8.4Hz), 7,56(d, 1H, J = 2,0Hz), 6,85 (d, 1H,J = 8,8Hz), 4,81 (bq, 1H, J = 5,2Hz), 4,76 (bs, 2H), 3,97 (s,3H) & 2,68 (d, 3H, J = 5,2 Hz)
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22
4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]
400 MHz, DMSO-d6: δ
N-metil benzamida
335 8,41 (m, 1H), 8,39 (d,
1H, J = 2,4Hz),8,31 (d,
1H, J = 2,4Hz), 7,88(d,
2H, J = 8,4Hz), 7,86
(dd,1H, J = 8,4 &
2,4Hz), 7.,75 (d, 2H, J
= 8,4Hz), 7,70 (d, 1H, J
= 2,4Hz), 6,92 (d, 1H, J
= 8,4Hz), 5,91 (bs, 2H),
3,92 (s, 3H) & 2,80 (d,
3H, J = 4,4 Hz)
23
{4-[2-amino-3-(2-metoxi piridin- 5-il) piridin-5
400 MHz, DMSO-d6: δ
il] fenil} (morfolino)metanona
391 8,35 (d,1H, J = 2,4Hz),
8,31 (dd, 1H, J = 2,4 &
0,8Hz), 7,86 (dd, 1H,J
= 8,4 & 2,4Hz), 7,73 (d,
2H,J = 8,4Hz), 7,67 (d,
1H, J = 2,4 Hz), 7,45
(d, 2H, J = 8.4 Hz),
6,92 (d, 1H, J = 8,4Hz),
5,89 (bs, 1H), 3,92 (s,
3H) & 3,68-3,42 (m,
8H)
24
400 MHz, DMSO-d6: δ
321
8,39 (s,1H), 8,31 (s,
1H), 8,00 (s, 1H),7,92
4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]
(d, 2H, J = 8,0Hz), 7.86
benzamida
(d, 1H, J = 8,4Hz), 7,75
(d, 2H, J = 8,0 Hz),
7,71 (s, 1H), 7,34 (bs,
1H), 6,93 (d, 1H, J =
8,4 Hz), 5,97 (bs, 2H) &
3,91 (s, 3H)
27
400 MHz, DMSO-d6: δ
322
8,39 (d,1H, J = 2,4Hz),
4-[6-amino-5-(2-metoxipiridin-5-il)piridin-3-il]
8,30 (d, 1H, J = 2,4
ácido benzoico
Hz), 7,95 (d, 2H, J =
8,4Hz), 7,86 (dd, 1H, J
= 8,4 & 2,4 Hz), 7,77
(d, 2H, J = 8,4 Hz),
7,70 (d, 1H, J = 2,4
Hz), 6,93 (d, 1H, J =
8,4 Hz), 6,00 (bs,2H) &
3,91 (s, 3H)
48
400 MHz, DMSO-d6: δ
371
9,74 (s,1H), 8,28-8,26
N-{4-[2-amino-3-(2-metoxi piridin-5-il) piridin
(m, 2H), 7,84 (dd, 1H, J
5-il] benceno} metil sulfonamida
= 8,4 & 2,4 Hz), 7,62
(d, 2H, J = 8,4Hz), 7,59
(d, 1H,J = 2,4 Hz), 7,24
(d, 2H, J = 8,4 Hz),
6,91 (d, 1H, J = 8,4Hz),
5,82 (bs, 2H), 3,90 (s,
3H) & 2,99 (s, 3H)
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49
400 MHz, DMSO-d6: δ
379
.45 (s,1H), 8,38 (s, 1H),
8,30 (s, 1H),7,88-7,84
4-[6-amino-5-(6-metoxipiridin- 3-il)piridin-3-il]
(m, 3H), 7,75 (d, 2H,J =
N-(3-hidroxipropil) benzamida
8,0Hz), 7,69 (s, 1H),
6,92 (d, 1H, J = 8,4
Hz), 5,96 (bs,2H), 4,48
(t, 1H, J = 5,2 Hz), 3,90
(s, 3H), 3,46 (q, 2H, J =
5,2Hz), 3,31 (s, 2H) &
1,68 (t,,2H, J = 6,4Hz)
50
400 MHz, DMSO-d6: δ
320
8,55 (d,1H, J = 2,4 Hz),
8,33 (d, 1H, J = 2,4Hz),
5-(benzo[c][1,2,5]oxadiazol-6-il)-
8,27 (d, 1H, J = 0.8Hz),
3-(2-metoxipiridin-5-il)piridin-2-amina
8,08 (s, 2H), 7,88-7,85
(m, 2H), 6,93 (d, 1H, J
= 8,4 Hz), 6,22 (s, 2H)
& 3,91 (s, 3H)
51
400 MHz, DMSO-d6: δ
397
8,41 (d,1H, J = 2,4Hz),
8,30 (d, 1H, J= 2,4 Hz),
N-ciclopropil-{4-[2-amino-3-(2-metoxi piridin
7,01-7,89 (m, 3H), 7,85
5-il) piridin-5-il] benceno} sulfonamida
(dd, 1H, J = 8,4 & 2,4
Hz),7,80 (d, 2H, J =
8,4Hz), 7,73(d, 1H, J =
2,4Hz), 6,92 (d, 1H, J =
8,4Hz), 6,05 (bs, 2H),
3,90 (s, 3H), 2,11-2,08
(m, 1H), 0,47 (q, 2H, J
= 4,4Hz) & 0,40 (q, 2H,
J = 4,4Hz)
52
400 MHz, DMSO-d6: δ
318
8,89 (s,1H), 8,32 (dd,
5-(H-imidazo[1,2-a] piridin-6-il)-3-(2-metoxi
2H, J = 9,6 & 2,0Hz),
piridin-5-il) piridin-2-amina
7,84-7,88 (m, 2H),
7,68 (d, 1H, J = 2,0Hz),
7,59-7,56 (m, 3H), 6,93
(d, 1H, J = 8,4 Hz),
5,92 (bs, 2H) & 3.90 (s,
3H)
53
400 MHz, DMSO-d6: δ
332
8,44 (d,1H, J = 2,4Hz),
N-{4-[2-amino-3-(2-metoxi piridin-5-il) piridin
8,33 (d, 1H, J = 2,4Hz),
5-il] benceno} metil sulfonamida
8,02 (s, 1H), 7,91
(s,1H), 7,88 (dd, 1H, J
= 8,4 &,2,4Hz), 7,78
7,76 (m, 2H),7,46 (d,
1H, J = 8,4Hz), 6,94 (d,
1H, J = 8,4Hz), 5,60
(bs, 2H), 4,08 (s, 3H) &
3,92 (s, 3H)
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54
400 MHz, DMSO-d6: δ
361
8,44 (d,1H, J = 3,2Hz),
8,39 (d, 1H, J = 2,4Hz),
4-[2-amino-3-(2-metoxipiridin- 5-il)piridin-5-il]
8,30 (d, 1H, J = 2,4
-N-ciclopropil benzamida
Hz), 7,78-7,76 (m, 3H),
7,75 (d, 2H, J = 8,4
Hz), 7,70(d, 1H, J = 2,4
Hz), 6,92 (d, 1H, J =
12,4Hz), 5,97 (bs, 2H),
3,91 (s, 3H), 2,88-2,84
(m,1H), 0,70-0,69 (m,
2H) & 0,59-0,58 (m,
2H)
60
400 MHz, DMSO-d6: δ
434
8,44-8,39 (m, 2H), 8,30
(d, 1H, J = 1,6,Hz),
4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]
7,89-7,84 (m, 3H), 7,76
N-(2-morfolino
(d, 2H, J = 8,4Hz),
etil)benzamida
7,71(d, 1H, J = 2,0Hz),
6,93 (d, 1H,J = 8,4Hz),
5,97 (bs, 2H), 3,91(s,
3H), 3,57 (s, 4H), 3,40
3,38 (m, 2H) & 2,49
2,42 (m, 6H)
61
400 MHz, DMSO-d6: δ
321
8,38 (s,1H), 8,31 (s,
1H), 8,12 (s, 1H),8,07
3-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]
(s, 1H), 7,87-7,77 (m,
benzamida
3H), 7,73 (s, 1H), 7,49
(t, 1H, J = 7,6 Hz), 7,42
(s, 1H), 6,93 (d, 1H, J =
8.4 Hz), 5,92 (bs, 2H) &
3,91 (s, 3H)
62
400 MHz, DMSO-d6: δ
364
8,43 (s,1H), 8,29 (s,
3-(2-metoxipiridin-5-il)-5-[4-(5-metil-1,3,4
1H), 8,25 (s, 1H), 7,87
oxadiazol-2-il)fenil]piridin-2-amina
7,83 (m, 2 H), 7,60 (s,
1H), 6,93-6,88 (m, 2H),
5,81(bs, 2H), 3,91 (s,
3H), 3.71 (t, 4H, J =
4,4Hz) & 3,46 (t, 4H, J=
4,4Hz)
63
400 MHz, DMSO-d6: δ
364
8,43 (s,1H), 8,29 (s,
3-(2-metoxipiridin-5-il)-5-(6-morfolino piridin
1H), 8,25 (s, 1H), 7,87
3-il)piridin-2-amina
7,83 (m, 2 H), 7,60 (s,
1H), 6,93-6,88 (m, 2H),
5,81(bs, 2H), 3,91 (s,
3H), 3,71 (t, 4H, J =
4,4Hz) & 3,46 (t, 4H, J
= 4,4Hz)
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64
400 MHz, DMSO-d6: δ
344
8,54 (d,1H, J = 2,4Hz),
8,36 (d, 1H, J = 2,4Hz),
5-[4-(1H-pirazol-1-il)fenil]-3-(2-metoxi piridin
8.31 (d, 1H, J = 2.4
5-il) piridin-2-amina
Hz), 7,88-7,84 (m, 3H),
7,79-7,74 (m, 3H), 7,68
(d, 1H, J = 2,4Hz), 6,92
(d, 1H, J = 8,4,Hz),
6,55 (t, 1H, J = 2,0Hz),
5,88 (bs, 2H) & 3,90 (s,
3H)
66
400 MHz, DMSO-d6: δ
329
8,86-8,85 (m, 1H), 8,51
(d, 1H,J = 2,OHz),
3-(2-metoxi piridin-5-il)-5-(quinolin-6-il)
8,37-8,33 (m, 2H), 8,28
piridin-2-amina
(s, 1H), 8,13 (d, 1H, J =
8.8 Hz), 8,04 (d, 1H, J
= 8,8 Hz), 7.89 (dd, 1H,
J = 8,4 y 2.4Hz), 7,84
(d, 1H, J = 2.0 Hz),
7,54 (dd, 1H, J = 8,4 y
4,0Hz), 6,95 (d, 1H, J =
8,4Hz), 5,99 (bs, 2H) &
3,92 (s, 3H)
67
400 MHz, DMSO-d6: δ
418
8,45 (s,1H), 8,39 (s,
1H), 8,31 (s, 1H),7,90
4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5-il]
7,85 (m, 3H), 7,77-7.75
N-[2-(pirrolidin-1-il) etil] benzamida
(m, 2H), 7,71 (s, 1H),
6,93 (d,1H, J = 8,4Hz),
5,97 (bs, 2H),3,91 (s,
3H), 3,39 (d, 2H, J =
6.0 Hz), 3,34 (s, 1H),
2,58 (t, 2H, J = 6,8 Hz),
2.,51 (s, 4H) & 1,68 (s,
4H)
68
400 MHz, DMSO-d6: δ
424
8,28 (d, 1H, J = 1,6Hz),
5-[2-(trifluoro metil)-4-(metilsulfonil) fenil]-3
8,25 (s, 1H), 8,23 (d,
(2-metoxipiridin-5-il)piridin-2-amina
1H, J = 2,0Hz), 7,96 (d,
1H, J = 2,0 Hz), 7,81
7.,79 (m, 2H), 7,37 (d,
1H, J = 2.0 Hz), 6,91
(d, 1H, J = 8,4Hz), 6,10
(bs, 2H), 3,89 (s, 3H) &
3,37 (s, 3H)
71
400 MHz, DMSO-d6): δ
403
8,37 (d,1H, J = 2,8Hz),
{4-[2-amino-3-(4-carbamoil
8,00 (d, 3H, J = 8,4
fenil)piridin-5-il]fenil}(morfoolino) metanona
Hz), 7,73 (d, 2H, J =
8,4 Hz), 7,70 (d, 1H, J
= 2,4 Hz),7,63 (d, 2H, J
= 8,4 Hz), 7,45(d, 2H, J
= 8,4Hz), 7,36 (bs,1H),
5,89 (bs, 2H), 3,61 (bs,
4H) & 3,51 (bs, 4H)
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73
400 MHz, DMSO-d6: δ
305
8,74 (d,1H, J = 2,0Hz),
8,34 (d, 1H, J = 2,4Hz),
4-[2-amino-3-(2-metilpiridin-5-il) piridin-5-il]
8,04 (s, 1H), 7,99 (d,
benzamida
2H, J = 8,4Hz), 7,95
(dd, 1H,J = 8,0 &
2,4Hz), 7,69 (d, 1H, J =
2,4 Hz), 7,62 (d, 2H, J
= 8,4Hz), 7,40 (s, 1H),
7,28 (d, 1H, J = 8,0
Hz), 5,90 (bs, 2H) &
2,48 (s, 3H)
74
400 MHz, DMSO-d6): δ
447
8,53-8,50 (m, 1H), 8,38
(d, 1H, J = 2.0 Hz),
[4-(2-amino-5-metilpiridin-3-il)-N-(2-hidroxi
7.98 (d, 2H, J = ,0Hz),
etil) benzamida] (morfolino) metanona
7,74 (d, 2H, J = 8,0
Hz), 7,71 (d, 1H, J =
2,0 Hz), 7,64 (d, 2H, J
= 8,0 Hz), 7.46 (d, 2H,
J = 8,0Hz), 5,96 (bs,
2H), 4,76 (t, 1H, J =
5,48 Hz), 3,61-3,51 (m,
10H) & 3,39-3,36 (m,
2H)
76
300 MHz, DMSO-d6: δ
356
8,39 (d,1H, J = 2,4 Hz),
8,30 (dd, 1H, J = 2,4 &
4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5
0,9Hz), 7,84 (m, 5H),
il]benceno sulfonamida
7,71 (d, 1H, J = 2,4
Hz), 7,25 (bs, 2H),
6,92 (dd, 1H, J = 8,4 &
0,9Hz), 5,89 (bs, 2H) &
3,92 (s, 3H)
80
4-[2-amino-3-(4-benzamido)piridin-5-il] benzamida 332 NMR 1H (300 MHz, CD3OD): δ 8,33 (d, 1H, J = 2,4Hz), 8,04-7,93 (m, 4H), 7,78 (d, 1H, J = 2,4Hz) & 7,74-7,63 (m, 4H)
82
300 MHz, CDCl3: δ
403
8,32 (d, 1H, J = 2,1Hz),
{4-[2-amino-3-(2-metoxipiridin-5-il)piridin-5
8,26 (d,1H, J =1,8Hz),
il]fenil}(4-metilpiperazin-1-il)metanona
7,70 (dd, 1H, J = 8,7 &
2,4Hz), 7,61-7,39 (m,
5H), 6,85 (d, 1H, J =
8,7Hz), 4,69 (bs, 2H),
3,97 (s, 3H), 3,89-3,37
(m, 4H), 2,42 (bs, 4H)
& 2,31 (s, 3H)
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Nombre químico Estructura MS m/z [M+H]+ NMR 1H
84
4-[2-amino-3-(2-metoxipiridin5-il)piridin-5-il]-N-[4-(aminometil)tiazol-2- il] benzamida 432 300 MHz, CD3OD: δ 8,51 (d, 1H, J = 2,4Hz), 8,41 (d, 1H, J = ,1Hz), 8,24 (d, 2H, J = 8,4Hz), 7,96 (d, 1H, J = 2,4Hz), 7,91 (d, 2H, J = 8,4Hz), 7,85 (d, 1H, J = 2,4Hz), 7,11-6,96 (m, 2H), 4,05 (s, 3H) & 3,96 (s, 2H)
86
{4-[2-amino-3-(4-(trifluoro metil)fenil)piridin-5il] fenil} (morfolino)metanona 427 NMR 1H (400 MHz, DMSO-d6): δ 8,40 (d, 1H, J = 2,4 Hz), 7,847,71 (m, 7H), 7,47-7,43 (m, 2H), 5,87 (bs, 2H), 3,63-3,60 (m, 4H), 3,52 (bs, 4H)
Los siguientes compuestos enumerados en la tabla 3 fueron preparados utilizando un procedimiento análogo al procedimiento del Esquema 2 descrito anteriormente:
Tabla 3
Nombre químico Estructura MS m/z [M+H]+ NMR 1H
19
3-(2-metoxi piridin-3-il)-5-[4-(metil sulfonil fenil] piridin-2-amina 356 400 MHz, DMSO-d6: δ 8,44 (d, 1H, J = 2,4 Hz), 8,25 (dd, 1H, J = 5,2 & 1,6Hz), 7,92 (s, 4H), 7,73 (m, 2H), 7,11 (dd, 1H, J = 7,2 & 5,2 Hz), 5,88 (bs, 2H), 3,88 (s, 3H) & 3,23 (s, 3H)
20
5-[4-(metil sulfonil)fenil]-3-(piridin-3-il) piridin2-amina 326 400 MHz, DMSO-d6: δ 8.7 (dd, 1H, J = 2,4 & 0,8Hz), 8,60 (dd, 1H, J = 4.8 & 1,6,Hz), 8,46 (d, 1H, J = 2,4Hz), 7,95 (m, 5H), 7,80 (d, 1H, J = 2,4Hz), 7,50 (ddd, 1H, J = 7,6, 4.8 & 0,8Hz), 6,12 (bs, 2H) & 3,23 (s, 3H)
(Continuación)
Nombre químico Estructura MS m/z [M+H]+ NMR 1H
25
4-{2-amino- 5-[4-(metilsulfonil)fenil]piridin-3il} benzonitrilo 350 400 MHz, DMSO-d6: δ 8,47 (d, 1H, J = 2,4Hz), 7,92-7,98 (m, 6H), 7,81-7,76 (m, 3H), 6,21 (bs, 2H) & 3,24 (s, 3H)
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400 MHz, DMSO-d6: δ
350
8,47 (d, 1H, J = 2,4
Hz), 8,01-7,85 (m, 7H),
[3-{2-amino-5-[4-(metilsulfonil)p
7,82 (d, 1H, J = 2,4
henil]piridin-3-il} benzonitrilo
Hz), 7,70 -7,66 (m, 1H),
6,23 (bs, 2H) & 3,24 (s,
3H)
28
400 MHz, DMSO-d6: δ
368
8.45 (d, 1H, J = 2,4Hz),
8,07 (s, 1H), 8,02-7,92
4-{2-amino-5-[4-(metilsulfonil)
(m, 6H), 7,78 (d, 1H, J
fenil]piridin-3-il} benzamida
= 2,4Hz), 7,64 (d, 2H, J
= 8,4Hz), 7,44 (bs, 1H),
6,11 (bs, 2H) & 3,24 (s,
3H)
29
400 MHz, DMSO-d6: δ
382
8.45 (m, 2H), 7,94 (m,
4-{2-amino-5-[4-(metilsulfonil)p
6H), 7,77 (d, 1H, J =
henil]piridin-3-il}-N-metil
2,0Hz), 7,64 (d, 1H, J =
benzamida
8,4Hz), 6,03 (bs, 2H),
3,30 (bs, 1H), 3,23 (s,
3H) & 2,83 (d, 3H, J =
4,4Hz)
30
400 MHz, DMSO-d6: δ
365
8,71 (s, 1H), 8,47 (d,
3-(H-imidazo[1,2-a]piridin-6
1H, J = 2,4Hz), 7,92
il)-5-[4-(metil sulfonil)fenil] piridin-2-
7,98 (m, 5H), 7,86 (d,
amina
1H, J = 2,4Hz), 7,77
7,62 (m, 2H), 7,35 (dd,
1H, J = 9.6 & 2,4Hz),
6,26 (bs, 2H) & 3,24 (s,
3H)
(Continuación)
Nombre químico Estructura MS m/z [M+H]+ NMR 1H
31
3-(2-metoxi pirimidin-5-il)-5-[4-(metilsulfonil) fenil]piridin-2-amina 357 400 MHz, DMSO-d6: δ 8,72 (s, 2H), 8,46 (d, 1H, J = 2,4Hz), 7,977,92 (m, 4H), 7,82 (d, 1H, J = 2,4Hz), 6,28 (bs, 2H), 3,98 (s, 3H) & 3,24 (s, 3H)
32
5-[4-(metil sulfonil)fenil]-3-(quinoxalin-7-il) piridin-2-amina 377 400 MHz, DMSO-d6: δ 9,01 (d, 1H, J = 2,0Hz), 8,99 (d, 1H, J = 2,0Hz), 8,51 (d, 1H, J = 2,0 Hz), 8,26 (d, 1H, J = 2,0 Hz), 8,20 (d, 1H, J = 8,4Hz), 8,06-7,93 (m, 6H), 6,28 (bs, 2H) & 3,25 (s, 3H)
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400 MHz, DMSO-d6): δ
315
8,4 (d, 1H, J = 2,4Hz),
3-(furan-3-il)- 5-[4-(metilsulfonil)
8,11 (d, 1H, J = 0,8
fenil]piridin-2-amina
Hz), 7,97-7,91 (m, 5H),
7,82 (m, 1H), 7,00
(m, 1H), 6,10 (bs, 2H) &
3,23 (s, 3H)
34
407
400 MHz, DMSO-d6: δ
3-[4-(5-metil-1,3,4-oxadiazol-2-il)fenil]
8.47 (d, 1H, J = 2,4
5-[4-(metilsulfonil) fenil] piridin-2-amina
Hz), 8,07 (d, 2H, J =
8,4Hz), 7,99-7,92 (m,
4H), 7,83 (d, 1H, J =
2,4Hz), 7,79 (d, 2H, J =
8,4Hz), 6,20
(bs, 2H), 3,24 (s, 3H) &
2,62 (s, 3H)
35
390
400 MHz, DMSO-d6: δ
8,44 (d, 1H, J = 2,4Hz),
3-(3-cloro-2-metoxipiridin-5-il)-
8,27 (d, 1H, J = 2,4Hz),
5-[4-(metil sulfonil) fenil] piridin-2-amina
7,91 (s, 4H), 7,83 (d,
1H, J = 2,4Hz), 7,74
(d, 1H, J = 2,4Hz), 6,09
(bs, 2H), 3,85 (s, 3H) &
3,22 (s, 3H)
(Continuación)
Nombre químico Estructura MS m/z [M+H]+ NMR 1H
36
5-[4-(methy sulfonil)fenil]- 3-[3-(trifluoro metoxi)fenil] piridin-2-amina 409 400 MHz, DMSO-d6): δ 8,46 (d, 1H, J = 2,0 Hz), 7,98-7,91 (m, 4H), 7,79 (d, 1H, J = 2,0 Hz), 7,63-7,61 (m, 2H), 7,54 (s, 1H), 7,41 (s, 1H), 6,15 (bs, 2H) & 3,24 (s, 3H)
37
5-[4-(metil sulfonil) fenil]- 3-[4-(trifluoro metoxi) fenil] piridin-2-amina 409 400 MHz, DMSO-d6: δ 8,45 (d, 1H, J = 2,4Hz), 7,97-7,91 (m, 4H), 7,78 (d, 1H, J = 2,4Hz), 7,68 (d, 2H, J = 8,4Hz), 7,48 (d, 2H, J = 8,4Hz), 6,11 (bs, 2H) & 3,24 (s, 3H)
38
5-[4-(metil sulfonil)fenil]- 3-[2-(pirrolidin-1il)piridin-5-il] piridin-2-amina 395 400 MHz, DMSO-d6: δ 8,37 (d, 1H, J = 2,4Hz), 8,22 (d, 1H, J = 2,4Hz), 7,93 (s, 4H), 7,68-7,64 (m, 2H), 6,55 (d, 1H, J = 8,8Hz), 5,97 (bs, 2H), 3,44 (t, 4H, J = 6,4Hz), 3,24 (s, 3H), 1,97 (t, 4H, J = 6,4Hz)
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400 MHz, DMSO-d6: δ
427
8.51 (d, 1H, J = 2,4Hz),
3-[2-cloro-4-(trifluorometil)fenil]-5-[4-(metil
8,01 (s, 1H), 7,92 (s,
sulfonil) fenil] piridin-2-amina
4H), 7,82 (d, 1H, J = 8,0Hz), 7,76 (d, 1H, J = 2,4Hz), 7,67 (d, 1H, J = 8,0Hz), 6,13 (bs, 2H) & 3,23 (s, 3H)
40
356
400 MHz, DMSO-d6): δ
8,48 (s, 1H), 8,46 (d,
3-(3-metoxi piridin-4-il)-5-[4-(metilsulfonil)
1H, J = 2,4 Hz), 8,30
fenil]piridin-2-amina
(d, 1H, J = 4,8Hz), 7,92
(s, 4H), 7,72 (d, 1H, J =
2,4Hz), 7,33 (d, 1H, J =
4,8 Hz), 5,98 (bs, 2H),
3,90 (s, 3H) & 3,23 (s,
3H)
(Continuación)
Nombre químico Estructura MS m/z [M+H]+ 1H NMR
41
5-[4-(metil sulfonil)fenil]-3-(2-morfolino piridin-5-il) piridin-2-amina 411 400 MHz, DMSO-d6: δ 8,38 (d, 1H, J = 2,4Hz), 8,28 (d, 1H, J = 2,4Hz), 7,94-7,89 (m, 4H), 7,74-7,69 (m, 2H), 6,94 (d, 1H, J = 8,8Hz), 6,01 (bs, 2H), 3,71 (t, 4H, J = 5,2 Hz), 3,50 (t, 4H, J = 5,2 Hz) & 3,22 (s, 3H)
42
3-[2-(trifluoro metil)piridin-4-il]-5-[4-(metil sulfonil)fenil] piridin-2-amina 394 400 MHz, DMSO-d6: δ 8.84 (d, 1H, J = 4,8Hz), 8,52 (d, 1H, J = 2,4 Hz), 8,06 (s, 1H), 7,987,93 (m, 6H), 6,42 (bs, 2 H) & 3,24 (s, 3H)
43
3-(2-metilpiridin-5-il)-5-[4-(metil sulfonil)fenil] piridin-2-amina 340 400 MHz, DMSO-d6: δ 8.59 (d, 1H, J = 2,4Hz), 8.,44 (d, 1H, J = ,4Hz), 7,97-7,91 (m, 4H), 7,84 (dd, 1H, J = 8,0 & 2,28Hz), 7,76 (d, 1H, J = 2,4Hz), 7,37 (d, 1H, J= 8,0Hz), 6,13 (bs, 2H), 3,24 (s, 3H) & 2,53 (s, 3H)
44
3-[2-(trifluoro metil)piridin-5-il]-5-[4-(metil sulfonil)fenil] piridin-2-amina 394 400 MHz, DMSO-d6: δ 8,91 (d, 1H, J = 1,6 Hz), 8,50 (d, 1H, J = 2,4Hz), 8,24 (dd, 1H, J = 8,0 & 1,6 Hz), 8,00-7,88 (m, 6H), 6.,35 (bs, 2H) & 3,23 (s, 3H)
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3-{4-[2-(pirrolidin-1-il)ethoxi] fenil}- 5-[4-(metilsulfonil) fenil] piridin-2-amina 438 400 MHz, DMSO-d6: δ 8,38 (s, 1H), 7,92 (s, 4H), 7,68 (s, 1H), 7,45 (d, 2H, J = 8,4Hz), 7,05 (d, 2 H, J = 8,4 Hz), 5,93 (bs, 2H), 4,12 (t, 2H, J = 5,6 Hz), 3,22 (s, 3H), 2,85 (s, 2 H), 2,55 (s, 4H) & 1,70 (s, 4H)
(Continuación)
Nombre químico Estructura MS m/z [M+H]+ NMR 1H
46
5-[4-(metil sulfonil)fenil]-3-(4-morfolino fenil)piridin-2-amina 410 400 MHz, DMSO-d6: δ 8.36 (d, 1H, J = 2,4 Hz), 7,94-7,92 (m, 4H), 7,67 (d, 1H, J = 2,4 Hz), 7,41 (d, 2H, J = 8,8Hz), 7,06 (d, 2H, J = 8,8 Hz), 5,90 (bs, 2H), 3,76 (t, 4H, J = 4,8 Hz), 3,23 (s, 3H) & 3,17 (t, 4H, J = 9,6Hz)
47
3-[4-(1H-pirazol-1-il)fenil]-5-[4-(metilsulfonil) fenil] piridin-2-amina 391 400MHz, DMSO-d6: δ 8,58 (d, 1H, J = 2,4Hz), 8,43 (d, 1H, J = 2,4Hz), 7,97-7,91 (m, 6H), 7,78 (d, 2H, J = 2,0 Hz), 7,68-7,65 (m, 2H), 6,57 (t, 1H, J = 4,0Hz), 6,08 (bs, 2H) & 3,23 (s, 3H).
55
5-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3il}pirimidin-2-amina imagen23 342 400 MHz, DMSO-d6: δ 8,38 (d, 1H, J = 2,4Hz), 8,36 (s, 2H), 7,95-7,92 (m, 4H), 7,72 (d, 1H, J = 2,4Hz), 6,79 (bs, 2H), 6,15 (s, 2H) & 3,23 (s, 3H)
56
3-{2-amino-5-[4-(metilsulfonil) fenil]piridin-3-il} benzamida 368 400 MHz, DMSO-d6: δ 8.45 (d, 1H, J = 2,0Hz), 8,06 (s, 1H), 8,00-7,87 (m, 5H), 7,79 (d, 1H, J = 1,6Hz), 7,70 (d, 1H, J = 8,4Hz), 7,58 (d, 1H, J = 8,0Hz), 7,44 (s, 1H), 6,09 (bs, 2H) & 3,24 (s, 3H)
57
3-(6-methoxi-2-metilpiridin-3-il)-5-[4-(metil sulfonil) fenil] piridin-2-amina imagen24 370 400 MHz, DMSO-d6: δ 8,44 (d, 1H, J = 2,4Hz), 7,91 (s, 4H), 7,66 (d, 1H, J = 2,4Hz), 7,52 (d, 1H, J = 8,4Hz), 6,73 (d, 1H, J = 8,4Hz), 5,95 (bs, 2H), 3,88 (s, 3H), 3,22 (s, 3H) & 2,26 (s, 3H)
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(Continuación)
Nombre químico Estructura MS m/z [M+H]+ NMR 1H
58
3-(isoquinolin-5-il)-5-[4-(metil sulfonil)fenil] piridin-2-amina imagen25 376 400 MHz, DMSO-d6: δ 9.41 (s, 1H), 8,57 (d, 1H, J = 2,4Hz), 8,48 (d, 1H, J = 5,6 Hz), 8,238,20 (m, 1H), 7,96 (d, 2H, J = 8,4Hz), 7,91 (d, 2H, J = 8,4Hz), 7,817,79 (m, 3 H), 7,41 (d, 1H, J = 5,6 Hz), 5,89 (bs, 2H) & 3,23 (s, 3H)
59
5-[4-(metil sulfonil)fenil]-3-(quinolin-6-il) piridin-2-amina 376 400 MHz, DMSO-d6: δ 8,94 (d, 1H, J = 3,6 Hz), 8,49 (d, 1H, J = 2,0Hz), 8,43 (d, 1H, J = 8,4Hz), 8,17 (s, 1H), 8,12 (d, 1H, J = 8,4 Hz), 7,99-7,88 (m, 6H), 7,60-7,57 (m, 1H), 6,20 (bs, 2H) & 3,24 (s, 3H)
65
5-[4-(metil sulfonil) fenil]-3-p-tolilpiridin-2amina 338 NMR 1H (400 MHz, DMSO-d6): δ 8,40 (d, 1H, J = 2,4Hz), 7,93 (s, 4H), 7,69 (d, 1H, J = 2,4Hz), 7,45-7,42 (m, 2H), 7,32-7,30 (m, 2H), 3,22 (s, 3H) & 2,37 (s, 3H)
69
{5-[2-amino-5-(4-(metilsulfonil)fenil)piridin-3il]piridin-2-il} metanol 356 400 MHz, DMSO-d6: δ 8,63 (s, 1H), 8,45 (s, 1H), 7,97-7,92 (m, 5H), 7,79 (s, 1H), 7,57 (d, 1H, J = 8,0Hz), 6,15 (bs, 2H), 5,51 (t, 1H, J = 1,2Hz ), 4,63 (d, 2H, J = 5,6Hz) & 3,24 (d, 3H, J = 0,8Hz)
70
3-(2-metilbenzo[d] tiazol-5-il)-5-[4(metilsulfonil) fenil] piridin-2-amina 396 400 MHz, DMSO-d6: δ 8,45 (d, 1H, J = 2,4Hz), 8,20 (d, 1H, J = 1,6Hz), 7,94-7,91 (m, 5H), 7,82 (d, 1H, J = 2,4Hz), 7,63 (dd, 1H, J = 7,2 & 1,6Hz), 6,12 (bs, 2H), 3,24 (s, 3H) & 2,84 (s, 3H)
5
10
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Nombre químico Estructura MS m/z [M+H]+ NMR 1H
75
N-{4-[2-amino-5-(4-(metilsulfonil) fenil)piridin-3-il]fenil}2-(dimetilamino) acetamida 425 400 MHz, DMSO-d6): δ 9,89 (s, 1H), 8,40 (d, 1H, J = 2,0 Hz), 7,967,91 (m, 4H), 7,80 (d, 2H, J = 8,4Hz), 7,71 (d, 1H, J = 2,0Hz), 7,48 (d, 2H, J = 8,4 Hz), 5,99 (bs, 2H), 3,24 (s, 3H), 3,12 (s, 2 H) & 3,30 (s, 6H)
77
3-(2-fluoropiridin-5-il)5-[4-(metilsulfonil) fenil] piridin-2-amina 344 400 MHz, DMSO-d6: δ 8,46 (d, 1H, J = 2,4Hz), 8,37 (d, 1H, J = 2,4Hz), 8,12 (td, 1H, J = 8,4 & 2,8Hz), 7,94 (m, 4H), 7,80 (d, 1H, J = 2,4Hz), 7,29 (dd, 1H,J = 8,8 & 2,8Hz), 6,16 (bs, 2H), 3,23 (s, 3H)
78
5-[4-(metilsulfonil)fenil]3-[2-(metilsulfonil)piridin5-il] piridin-2-amina 403 400 MHz, DMSO-d6): δ 8,93 (dd, 1H, J = 2,0 y 0,8Hz), 8,51 (d, 1H, J = 2,4 Hz), 8,31 (dd, 1H, J = 8,0 y 2,0 Hz), 8,12 (dd, 1H, J = 8,0 y 0,8 Hz), 7,98-7,92 (m, 5H), 7,90 (d, 1H, J = 2,4Hz), 6,33 (bs, 2H) 3,32 (s, 3H) y 3,23 (s, 3H)
79
N-{5-[2-amino-5-(4-(metilsulfonil)fenil)piridin3-il]piridin-2-il} acetamida 382 400 MHz, DMSO-d6: δ 10.57 (bs, 1H), 8,458,43 (m, 2H), 8,17 (d, 1H, J = 8,4Hz), 7,967,91 (m, 5H), 7,78 (d, 1H, J = 2,4 Hz), 6,09 (bs, 2H) 3,22 (s, 3H) & 2,13 (s, 3H)
81
3-(benzo[c][1,2,5] oxadiazol-5-il)-5-[4-(metil sulfonil)fenil] piridin-2-amina 366 400 MHz, DMSO-d6): δ 8,51 (d, 1H, J = 2,4Hz), 8,17 (s, 1H), 8,13 (dd, 1H, J = 9,2 & 1,2 Hz), 8,00-7,92 (m, 5H), 7,73 (dd, 1H, J = 9,2 & 1,2 Hz), 6,32 (bs, 2H) & 3,24 (s, 3H)
E11704673
30-10-2015
(Continuación)
Nombre químico Estructura MS m/z [M+H]+ NMR 1H
83
3-{2-amino-5-[4-(metilsulfonil)fenil]piridin-3il]-N-(2-hidroxietil) benzamida imagen26 412 400 MHz, DMSO-d6): δ 8,47 (t, 1H, J = 5,6Hz), 8,45 (d, 1H, J = 2,8Hz), 8,01-7,91 (m, 5H), 7,87 (d, 1H, J = 7,6 Hz), 7,78 (d, 1H, J = 2,4Hz), 7,68 (d, 1H, J = 7,6 Hz), 7,58 (t, 1H, J = 7,6 Hz), 6,04 (bs, 2H), 4,69 (t, 1H, J = 5,6Hz), 3,53 (q, 2H, J = 6,0Hz), 3,36 (q, 2H, J = 6,0 Hz) & 3,24 (s, 3H)
85
3-[4-(trifluoro metil)fenil]-5-[4-(metil sulfonil) fenil] piridin-2-amina 392 NMR 1H (400 MHz, DMSO-d6): δ 8.47 (d, 1H, J = 2,4Hz), 7,977,91 (m, 4H), 7,85-7,77 (m, 5H), 6,12 (bs, 2H) & 3,23 (s, 3H)
87
3-(3-metil piridin-5-il)-5-[4-(metil sulfonil)fenil] piridin-2-amina 340 NMR 1H (400 MHz, DMSO-d6): δ 8,53 (d, 1H, J = 1,6 Hz), 8,468,44 (m, 2H), 7,98-7.91 (m, 4H), 7.79-7.78 (m, 2H), 6,18 (bs, 2H), 3,24 (s, 3H) & 2,37 (s,3H)
El compuesto 28 fue sintetizado tal y como está descrito en el Esquema 2, siguiendo el protocolo de más abajo:
3-Bromo-5-[4-(metilsulfonil) fenil] piridin-2-amina
imagen27
10 Fue añadido ácido 4-Metilsulfonilfenilboronico (34,82 g, 0,17 mol) a una solución agitada de 5-iodo-3-bromo-2aminopiridina (47,31 g, 0,16 mol) (comercialmente disponibles o que podría ser sintetizada tal y como está descrito en Zhang et al., 2004, J. Med. Chem., 47 (10), 2453-2465) en 1, 4-dioxano (470 ml) a temperatura ambiente y purgada con N2 gaseoso durante 1 h Pd [(PPh3)]2 Cl2 (7,77 g, 0,01 mol) y una solución acuosa de carbonato de potasio (1 M, 160,9 ml, previamente purgado con N2 gas) fue añadida a la mezcla de la reacción y posteriormente
15 calentada bajo reflujo durante 16 h. La mezcla de la reacción se enfrió luego a temperatura ambiente, seguida por la adición de H2O (600 ml). El precipitado fue filtrado, lavado con DCM/MeOH (1:1, 300 ml) y secado in vacuo con el fin de conseguir el compuesto final (30 g, 57,9%) como un sólido blanco. NMR 1H (400 MHz, DMSO-d6): δ 8,43 (s, 1H), 8,20 (s, 1H), 7,93 (s, 4H), 6,59 (bs, 2H) y 3,24 (s, 3H). LC-MS APCI: Calculada para C12H11BrN2O2S 327; m/z observado [M+H]+ 328.
20
imagen28
imagen29
imagen30
imagen31

Claims (3)

  1. imagen1
    imagen2
    imagen3
    imagen4
    imagen5
    imagen6
    3-(3-metilpiridin-5-il)-5-[4-(metilsulfonil)fenil]piridin-2-amina; and 5-[3-fluoro-4-(metilsulfonil)fenil]-3-(2-metoxipiridin-5-il)piridin-2-amina
    y un portador farmacéuticamente aceptable, diluyente o excipiente de los mismos. . 5
  2. 14. Una formulación farmacéutica que incluye una aminopiridina de acuerdo con la Formula (I) y un agente contra la malaria, en donde X e Y son como está definido en cualquiera de las reivindicaciones precedentes.
    10 15. Una aminopiridina para su utilización de acuerdo con cualquier de las reivindicaciones de la 1 a la 10 en donde la aminopiridina o la formulación farmacéutica, es para ser administrada en combinación con un co-agente útil en el tratamiento de la malaria.
  3. 16. Una aminopiridina para su utilización de acuerdo con la reivindicación 15 en donde el co-agente está
    15 seleccionado de artemeter, cloroquina, mefloquina, quinina, atovacuona/proguanil, doxiciclina, artesunato, hidroxicloroquina, halofantrina, pirimetamina-sulfadoxina, primaquina y piperaquina.
    48
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