The invention provides compounds and compositions of the formula: ##STR1## wherein the subscript n is an integer of from 0 to 4; Ar is a member selected from the group consisting of substituted or unsubstituted aryl and substituted or unsubstituted heteroaryl; R.sup.1 is a member selected from the group consisting of substituted or unsubstituted (C.sub.5 -C.sub.15)alkyl; R.sup.2 is a member selected from the group consisting of substituted or unsubstituted (C.sub.1 -C.sub.8)alkyl; each R.sup.3 is independently a substituent selected from -halogen, --OR', --OC(O)R', --NR'R", --SR', --R', --CN, --NO.sub.2, --CO.sub.2 R', --CONR'R", --C(O)R', --OC(O)NR'R", --NR"C(O)R', --NR"C(O).sub.2 R', , --NR'--C(O)NR"R'", --NH--C(NH.sub.2).dbd.NH, --NR'C(NH.sub.2).dbd.NH, --NH--C(NH.sub.2).dbd.NR--, --S(O)R', --S(O).sub.2 R', --S(O).sub.2 NR'R", --N.sub.3, --CH(Ph).sub.2, perfluoro(C.sub.1 -C.sub.4)alkoxy, and perfluoro(C.sub.1 -C.sub.4)alkyl, and where R', R" and R'" are independently selected from hydrogen, (C.sub.1 -C.sub.8)alkyl and heteroalkyl, unsubstituted aryl and heteroaryl, (unsubstituted aryl)-(C.sub.1 -C.sub.4)alkyl, and (unsubstituted aryl)oxy-(C.sub.1 -C.sub.4)alkyl; Y is a member selected from the group consisting of substituted or unsubstituted (C.sub.2 -C.sub.8)alkylene and substituted or unsubstituted (C.sub.2 -C.sub.8)heteroalkylene; and Z is --NR.sup.4 R.sup.5, wherein R.sup.4 and R.sup.5 are independently selected from the group consisting of hydrogen and (C.sub.1 -C.sub.8)alkyl. These compounds and compositions bind to the CXCR3 chemokine receptor and are useful for treating diseases and conditions responsive to the modulation of CXCR3 activity, such as multiple sclerosis, rheumatoid arthritis, psoriasis, cancer, infectious disease, angiogenesis, and graft rejection.

La invención proporciona compuestos y las composiciones del fórmula: ## del ## STR1 en donde el subíndice n es un número entero de a partir la 0 a 4; Ar es un miembro seleccionado del grupo que consiste en el aryl substituido o sin sustituir y el heteroaryl substituido o sin sustituir; R.sup.1 es un miembro seleccionado de consistir en el grupo substituido o sin sustituir (C.sub.5 - C.sub.15)alkyl; R.sup.2 es un miembro seleccionado de consistir en el grupo substituido o sin sustituir (C.sub.1 - C.sub.8)alkyl; cada R.sup.3 es independientemente un sustituto seleccionado - el halógeno, --OR ', -- de oc(o)r ', -- nr'r ", --SR ', --R ', --CN, -- NO.sub.2, -- CO.sub.2 R ', -- conr'r", -- c(o)r ', -- oc(o)nr'r ", -- nr"c(o)r ', -- NR"C(O).sub.2 R ', -- nr' -- c(o)nr"r '", -- NH -- C(NH.sub.2).dbd.NH, -- NR'C(NH.sub.2).dbd.NH, -- NH -- C(NH.sub.2).dbd.NR --. -- s(o)r ', -- S(O).sub.2 R ', -- S(O).sub.2 NR'R ", -- N.sub.3, -- CH(Ph).sub.2, perfluoro(C.sub.1 - C.sub.4)alkoxy, y perfluoro(C.sub.1 - C.sub.4)alkyl, y donde R ', R" y R ' "se seleccionan independientemente del hidrógeno, (C.sub.1 - C.sub.8)alkyl y heteroalkyl, aryl sin sustituir y heteroaryl, (aryl)-(C.sub.1 sin sustituir - C.sub.4)alkyl, y (aryl)oxy-(C.sub.1 sin sustituir - C.sub.4)alkyl; Y es un miembro seleccionado de consistir en el grupo substituido o sin sustituir (C.sub.2 - C.sub.8)alkylene y substituido o sin sustituir (C.sub.2 - C.sub.8)heteroalkylene; y Z es -- NR.sup.4 R.sup.5, en donde R.sup.4 y R.sup.5 se seleccionan independientemente del hidrógeno que consiste en del grupo y (C.sub.1 - C.sub.8)alkyl. Estos compuestos y composiciones atan al receptor del chemokine CXCR3 y son útiles para tratar las enfermedades y las condiciones responsivas a la modulación de la actividad CXCR3, tal como esclerosis múltiple, de la artritis reumatoide, del psoriasis, del cáncer, de la enfermedad infecciosa, del angiogenesis, y del rechazamiento del injerto.

 
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