Patent ID: 7943778

Claim:
A compound of the formula: wherein: Y is alkanediyl (C≦8) , alkenediyl (C≦8) , alkynediyl (C≦8) , or a substituted version of any of these groups; R a is: hydrogen, hydroxy, halo, amino, nitro, cyano, azido, phosphate, 1,3-dioxoisoindolin-2-yl, mercapto or silyl; or alkyl (C≦12) , alkenyl (C≦12) , alkynyl (C≦12) , aryl (C≦12) , aralkyl (C≦12) , heteroaryl (C≦12) , heteroaralkyl (C≦12) , acyl (C≦12) , alkoxy (C≦12) , alkenyloxy (C≦12) , alkynyloxy (C≦12) , aryloxy (C≦12) , aralkoxy (C≦12) , heteroaryloxy (C≦12) , heteroaralkoxy (C≦12) , acyloxy (C≦12) , alkylamino (C≦12) , dialkylamino (C≦12) , alkenylamino (C≦12) , alkynylamino (C≦12) , arylamino (C≦12) , aralkylamino (C≦12) , heteroarylamino (C≦12) , heteroaralkylamino (C≦12) , alkylsulfonylamino (C≦12) , amido (C≦12) , alkylthio (C≦12) , alkenylthio (C≦12) , alkynylthio (C≦12) , arylthio (C≦12) , aralkylthio (C≦12) , heteroarylthio (C≦12) , heteroaralkylthio (C≦12) , acylthio (C≦12) , thioacyl (C≦12) , alkylsulfonyl (C≦12) , alkenylsulfonyl (C≦12) , alkynylsulfonyl (C≦12) , arylsulfonyl (C≦12) , aralkylsulfonyl (C≦12) , heteroarylsulfonyl (C≦12) , heteroaralkylsulfonyl (C≦12) , alkylsulfinyl (C≦12) , alkenylsulfinyl (C≦12) , alkynylsulfinyl (C≦12) , arylsulfinyl (C≦12) , aralkylsulfinyl (C≦12) , heteroarylsulfinyl (C≦12) , heteroaralkylsulfiny (C≦12) , alkylphosphonyl (C≦12) , alkylphosphate (C≦12) , dialkylphosphate (C≦12) , alkylammonium (C≦12) , alkylsulfonium (C≦12) , alkylsilyl (C≦12) , or a substituted version of any of these groups; or Y and R a form a three to seven-membered ring, such that Y and R a are further connected to one another through one or more of —O— and alkanediyl (C1-5) , further wherein Y is —CH— and R a is —CH 2 —; or a pharmaceutically acceptable salt or tautomer thereof.