Inhibition of RAF kinase using quinolyl, isoquinolyl or pyridyl ureas

A compound of Formula I:

• A—D—B (I)
• or a pharmaceutically acceptable salt thereof, wherein
• D is —NH—C(O)—NH—,
• A is a substituted moiety of up to 40 carbon atoms of the formula:
• —L—(M—L1)q, where L is a substituted or unsubstituted phenyl, pyridinyl or pyrimidinyl moiety bound directly to D, L1 comprises a substituted phenyl, pyridinyl or pyrimidinyl moiety, M is a bridging group having at least one atom, q is an integer of from 1-3;
• and
• B is a substituted pyridyl, substituted quinolinyl, substituted isoquinolinyl, unsubstituted pyridyl, unsubstituted quinolinyl or unsubstituted isoquinolinyl group, wherein L1 is substituted by at least one substituent selected from the group consisting of —SO2Rx, —C(O)Rx and —C(NRy)Rz,
• Ry is hydrogen or a carbon based moiety of up to 24 carbon atoms optionally containing heteroatoms selected from N, S and O and optionally halosubstituted, up to per halo,
• Rz is hydrogen or a carbon based moiety of up to 30 carbon atoms optionally containing heteroatoms selected from N, S and O and optionally substituted by halogen, hydroxy and carbon based substituents of up to 24 carbon atoms, which optionally contain heteroatoms selected from N, S and O and are optionally substituted by halogen;
• Rx is Rz or NRaRb where Ra and Rb are
• a) independently hydrogen,
• a carbon based moiety of up to 30 carbon atoms optionally containing heteroatoms selected from N, S and O and optionally substituted by halogen, hydroxy and carbon based substituents of up to 24 carbon atoms, which optionally contain heteroatoms selected from N, S and O and are optionally substituted by halogen, or
• —OSi(Rf)3 where Rf is hydrogen or a carbon based moiety of up to 24 carbon atoms optionally containing heteroatoms selected from N, S and O and optionally substituted by halogen, hydroxy and carbon based substituents of up to 24 carbon atoms, which optionally contain heteroatoms selected from N, S and O and are optionally substituted by halogen;
• or
• b) Ra and Rb together form a 5-7 member heterocyclic structure of 1-3 heteroatoms selected from N, S and O, or a substituted 5-7 member heterocyclic structure of 1-3 heteroatoms selected from N, S and O substituted by halogen, hydroxy or carbon based substituents of up to 24 carbon atoms, which optionally contain heteroatoms selected from N, S and O and are optionally substituted by halogen;
• or
• c) one of Ra or Rb is —C(O)—, a C1-C5 divalent alkylene group or a substituted C1-C5 divalent alkylene group bound to the moiety L to form a cyclic structure with at least 5 members, wherein the substituents of the substituted C1-C5 divalent alkylene group are selected from the group consisting of halogen, hydroxy, and carbon based substituents of up to 24 carbon atoms, which optionally contain heteroatoms selected from N, S and O and are optionally substituted by halogen;
• where B is substituted, L is substituted or L1 is additionally substituted, the substituents are selected from the group consisting of halogen, up to per-halo, and Wn, where n is 0-3;
• wherein each W is independently selected from the group consisting of —CN, —CO2R7, —C(O)NR7R7, —C(O)—R7, —NO2, —OR7, —SR7, —NR7R7, —NR7C(O)oR7, —NR7C(O)R7, —Q—Ar, and carbon based moieties of up to 24 carbon atoms, optionally containing heteroatoms selected from N, S and O and optionally substituted by one or more substituents independently selected from the group consisting of —CN, —CO2R7, —C(O)R7, —C(O)NR7R7, —OR7, —SR7, —NR7R7, —NO2, —NR7C(O)R7, —NR7C(O)OR7 and halogen up to per-halo;
• with each R7 independently selected from H or a carbon based moiety of up to 24 carbon atoms, optionally containing heteroatoms selected from N, S and O and optionally substituted by halogen,
• wherein Q is —O—, —S—, —N(R7)—, —(CH2)m—, —C(O)—, —CH(OH)—, —(CH2)mO—, —(CH2)mS—, —(CH2)mN(R7)—, —O(CH2)m— CHXa—, —CXa2—, —S—(CH2)m— and —N(R7)(CH2)m—, wherein m=1-3 and Xa is halogen;
• and
• Ar is a 5- or 6-member aromatic structure containing 0-2 members selected from the group consisting of nitrogen, oxygen and sulfur, which is optionally substituted by halogen, up to per-halo, and optionally substituted by Zn1 wherein n1 is 0 to 3 and each Z is independently selected from the group consisting of —CN, —CO2R7, —C(O)R7, —C(O)NR7R7, —NO2, —OR7, —SR7—NR7R7, —NR7C(O)OR7, —NR7C(O)R7, and a carbon based moiety of up to 24 carbon atoms, optionally containing heteroatoms selected from N, S and O and optionally substituted by one or more substituents are selected from the group consisting of —CN, —CO2R7, —COR7, —C(O)NR7R7, —OR7, —SR7, —NO2, —NR7R7, —NR7C(O)R7, and —NR7C(O)OR7, with R7 as defined above;
• and
• wherein M is one or more bridging groups selected from the group consisting of —O—, —S—, —N(R7)—, —(CH2)m—, —C(O)—, —CH(OH)—, —(CH2)mO—, —(CH2)mS—, —(CH2)mN(R7)—, —O(CH2)m—CHXa—, CXa2—, —S—(CH2)m— and —N(R7)(CH2)m—, wherein m=1-3, Xa is halogen.