C6-azaspiro iminothiadiazine dioxides as bace inhibitors, compositions, and their use

摘要

In its many embodiments, the present invention provides certain C2-ring-substituted thiadiazine compounds, including compounds Formula (I): (structure represented) or tautomers thereof, and pharmaceutically acceptable salts of said compounds and said tautomers, wherein R1, R4, ring A, RA, m, -L1-, RL, and ring C are as defined herein. The novel compounds of the invention are useful as BACE inhibitors and/or for the treatment and prevention of various pathologies related thereto. Pharmaceutical compositions comprising one or more such compounds (alone and in combination with one or more other active agents), and methods for their preparation and use, including for the possible treatment of Alzheimer's disease, are also disclosed.;

主权项

1. A compound, or a pharmaceutically acceptable salt thereof, said compound having the structural Formula (I): or a tautomer thereof having the structural Formula (I′): or pharmaceutically acceptable salt of said tautomer, wherein: R1 is selected from the group consisting of H, alkyl, heteroalkyl, cycloalkyl, and -alkyl-cycloalkyl, wherein each said alkyl, heteroalkyl, cycloalkyl, and -alkyl-cycloalkyl is optionally substituted with one or more halogen; ring C is a moiety selected from the group consisting of each R2 is independently selected from the group consisting of H, -alkyl-OH, alkyl, heteroalkyl, and cycloalkyl wherein each said alkyl, heteroalkyl, and cycloalkyl of R2 is optionally substituted with halogen; each R3 is independently selected from the group consisting of H, halogen, -alkyl-OH, alkyl, heteroalkyl, alkoxy, and cycloalkyl, wherein each said alkyl, heteroalkyl, alkoxy, and cycloalkyl of R3 is optionally substituted with halogen; RN is selected from the group consisting of: H, —C(O)R6N, —C(O)OR6N, —C(O)N(R6N)2, —S(O)2R6N, —S(O)2N(R6N)2, alkyl, heteroalkyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl, aryl, -alkyl-aryl, heteroaryl, and -alkyl-heteroaryl,
wherein said alkyl, heteroalkyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl, aryl, -alkyl-aryl, heteroaryl, and -alkyl-heteroaryl, of RN are each optionally independently unsubstituted or substituted with one or more groups independently selected from R9; R4 is selected from the group consisting of H, alkyl, heteroalkyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, and -alkyl-heterocycloalkyl, wherein each said alkyl, heteroalkyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, and -alkyl-heterocycloalkyl is optionally substituted with one or more halogen; ring A is selected from the group consisting of aryl and heteroaryl; m is 0 or more; each RA (when present) is independently selected from the group consisting of: halogen, oxo, —OH, —CN, —SF5, —OSF5, —Si(R5A)3, —N(R6A)2, —OR6A, —SR6A, alkyl, heteroalkyl, alkenyl, alkynyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, and -alkyl-heterocycloalkyl,
wherein said alkyl, heteroalkyl, alkenyl, alkynyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, and -alkyl-heterocycloalkyl of RA are each optionally independently unsubstituted or substituted with one or more groups independently selected from R8; -L1- is a divalent moiety selected from the group consisting of —NHC(O)— and —C(O)NH—; RL is selected from the group consisting of alkyl and heteroalkyl, wherein said alkyl and heteroalkyl of RL are each optionally unsubstituted or substituted with one or more halogen; or, alternatively, RL is a moiety having the formula wherein q is 0 or 1; -LB- (when present) is a divalent moiety selected from the group consisting of lower alkyl and lower heteroalkyl, wherein each said lower alkyl and lower heteroalkyl is optionally substituted with one or more halogen; ring B is selected from the group consisting of aryl, heteroaryl, cycloalkyl, cycloalkenyl, heterocycloalkyl, and heterocycloalkenyl; p is 0 or more; and each RB (when present) is independently selected from the group consisting of: halogen, oxo, —OH, —CN, —SF5, —OSF5, —Si(R5B)3, —N(R6B)2, —NR7BC(O)R6B, —NR7BS(O)2R6B, —NR7BS(O)2N(R6B)2, —NR7BC(O)N(R6B)2, —NR7BC(O)OR6B, —C(O)R6B, —C(O)OR6B, —C(O)N(R6B)2, —S(O)R6B, —S(O)2R6B, —S(O)2N(R6B)2, —OR6B, —SR6B, alkyl, heteroalkyl, alkenyl, alkynyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl, aryl, -alkyl-aryl, heteroaryl, and -alkyl-heteroaryl,
wherein said alkyl, heteroalkyl, alkenyl, alkynyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl, aryl, -alkyl-aryl, heteroaryl, and -alkyl-heteroaryl, of RB are each optionally independently unsubstituted or substituted with one or more groups independently selected from R9; each R5A and R5B (when present) is independently selected from the group consisting of alkyl, heteroalkyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl,
wherein each said alkyl, heteroalkyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl of R5A and R5B is unsubstituted or substituted with one or more halogen; each R6N and R6A (when present) is independently selected from the group consisting of H, alkyl, -alkyl-OH, alkenyl, alkynyl, heteroalkyl, -heteroalkyl-OH, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl, aryl, heteroaryl, -alkyl-aryl, and -alkyl-heteroaryl, wherein each said alkyl, -alkyl-OH, alkenyl, alkynyl, heteroalkyl, -heteroalkyl-OH, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl, aryl, -alkyl-aryl, heteroaryl, and -alkyl-heteroaryl of R6N and R6A is unsubstituted or substituted with one or more groups independently selected from halogen, alkyl, cycloalkyl, heteroalkyl, haloalkyl, alkoxy, heteroalkoxy, and haloalkoxy; each R6B (when present) is independently selected from the group consisting of H, alkyl, -alkyl-OH, alkenyl, alkynyl, heteroalkyl, -heteroalkyl-OH, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl, aryl, -alkyl-aryl, heteroaryl, and -alkyl-heteroaryl,
wherein each said alkyl, -alkyl-OH, alkenyl, alkynyl, heteroalkyl, -heteroalkyl-OH, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, -alkyl-heterocycloalkyl, aryl, -alkyl-aryl, heteroaryl, and -alkyl-heteroaryl of R6B is unsubstituted or substituted with one or more groups independently selected from halogen, alkyl, cycloalkyl, heteroalkyl, haloalkyl, alkoxy, heteroalkoxy, and haloalkoxy; each R7B (when present) is independently selected from the group consisting of H, alkyl, heteroalkyl, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, and -alkyl-heterocycloalkyl,
wherein each said alkyl, heteroalkyl, -heteroalkyl-OH, cycloalkyl, -alkyl-cycloalkyl, heterocycloalkyl, and -alkyl-heterocycloalkyl of R7B is unsubstituted or substituted with one or more halogen; each R8 (when present) is independently selected from the group consisting of halogen, lower alkyl, lower heteroalkyl, lower alkoxy, lower cycloalkyl, and lower heterocycloalkyl, wherein each said lower alkyl, lower heteroalkyl, lower alkoxy, lower cycloalkyl, and lower heterocycloalkyl of R8 is optionally substituted with halogen; and each R9 (when present) is independently selected from the group consisting of halogen, —OH, —CN, —SF5, —OSF5, alkyl, -alkyl-OH, heteroalkyl, -heteroalkyl-OH, alkoxy, —O-heteroalkyl, cycloalkyl, -alkyl-cycloalkyl, —O-cycloalkyl, —O-alkyl-cycloalkyl, -heterocycloalkyl, -alkyl-heterocycloalkyl, —O-heterocycloalkyl and —O-alkyl-heterocycloalkyl, wherein each said alkyl, -alkyl-OH, heteroalkyl, -heteroalkyl-OH, alkoxy, —O-heteroalkyl, cycloalkyl, -alkyl-cycloalkyl, —O-cycloalkyl, —O-alkyl-cycloalkyl, -heterocycloalkyl, -alkyl-heterocycloalkyl, —O-heterocycloalkyl and —O-alkyl-heterocycloalkyl are optionally substituted with one or more halogen.