The invention is directed to prepare medicaments for treatment of and to methods to treat conditions mediated by kinase using compounds of the formula
1
wherein Ar
1
and Ph are limited to specific embodiments or wherein the compound of formula (3) is a compound set forth in FIGS.
1
A-
1
I.
Photoinduced cesium formate mediated remote selective C(sp3)−H alkylation of protected amines were developed under mild reaction conditions in absence of external photocatalyst. Preliminary mechanistic studies reveal that the cesium formate act as a source of carbon dioxide radicalanion and hydrogen atom donor.