Medical Imaging of Glycogen Synthase Kinase-3 with a PET Probe

A compound of formula (2):

• wherein R2 is selected from the group consisting of unsubstituted alkyl, substituted alkyl, unsubstituted haloalkyl, substituted haloalkyl, unsubstituted hydroxyalkyl, substituted hydroxyalkyl, benzyl, phenyl, substituted phenyl, unsubstituted alkenyl, substituted alkenyl, unsubstituted cycloalkyl, substituted cycloalkyl, hydroxy, unsubstituted alkoxy, substituted alkoxy, unsubstituted haloalkoxy, substituted haloalkoxy, unsubstituted phenoxy, substituted phenoxy, unsubstituted sulfonyloxy, substituted sulfonyloxy, carbonyl, carboxy, unsubstituted amino, substituted amino, unsubstituted amido, and substituted amido, and
• wherein at least one atom in R2 is replaced with a positron emitter.

A compound of formula (75):

• wherein R3 is selected from the group consisting of hydrogen, unsubstituted alkyl, substituted alkyl, unsubstituted haloalkyl, substituted haloalkyl, unsubstituted hydroxyalkyl, substituted hydroxyalkyl, benzyl, phenyl, substituted phenyl, unsubstituted alkenyl, substituted alkenyl, unsubstituted cycloalkyl, substituted cycloalkyl, hydroxy, unsubstituted alkoxy, substituted alkoxy, unsubstituted haloalkoxy, substituted haloalkoxy, unsubstituted phenoxy, substituted phenoxy, unsubstituted sulfonyloxy, substituted sulfonyloxy, carbonyl, carboxy, unsubstituted amino, substituted amino, unsubstituted amido, and substituted amido, and
• wherein at least one atom in R3 is replaced with a positron emitter.

A compound of formula (80):

• wherein R4 is selected from the group consisting of hydrogen, unsubstituted alkyl, substituted alkyl, unsubstituted haloalkyl, substituted haloalkyl, unsubstituted hydroxyalkyl, substituted hydroxyalkyl, benzyl, phenyl, substituted phenyl, unsubstituted alkenyl, substituted alkenyl, unsubstituted cycloalkyl, substituted cycloalkyl, hydroxy, unsubstituted alkoxy, substituted alkoxy, unsubstituted haloalkoxy, substituted haloalkoxy, unsubstituted phenoxy, substituted phenoxy, unsubstituted sulfonyloxy, substituted sulfonyloxy, carbonyl, carboxy, unsubstituted amino, substituted amino, unsubstituted amido, and substituted amido, and
• wherein at least one atom in R4 is replaced with a positron emitter.

A compound of formula (90):

• wherein R5 is selected from the group consisting of hydrogen, unsubstituted alkyl, substituted alkyl, unsubstituted haloalkyl, substituted haloalkyl, unsubstituted hydroxyalkyl, substituted hydroxyalkyl, benzyl, phenyl, substituted phenyl, unsubstituted alkenyl, substituted alkenyl, unsubstituted cycloalkyl, substituted cycloalkyl, hydroxy, unsubstituted alkoxy, substituted alkoxy, unsubstituted haloalkoxy, substituted haloalkoxy, unsubstituted phenoxy, substituted phenoxy, unsubstituted sulfonyloxy, substituted sulfonyloxy, carbonyl, carboxy, unsubstituted amino, substituted amino, unsubstituted amido, and substituted amido, and
• wherein at least one atom in R5 is replaced with a positron emitter.

The compound of claim 54 wherein the compound has the formula (69):