N-(oxolan-2-ylmethyl)ethanamine

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: tert-Butyl 2-(4-(oxazol-5-yl)phenylamino)-4-(trifluoromethylsulfonyloxy)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate (350 mg, 0.65 mmol, example 1b) was dissolved in DMF (2 mL). N-((tetrahydrofuran-2-yl)methyl)ethanamine (84 mg, 0.65 mmol) was added and the reaction was stirred at 80° C. overnight. The solvent was evaporated under reduced pressure and the crude was used as such in the subsequent step. The solvent was evaporated under reduced pressure

Conditions: temp:85.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: tert-Butyl 2-(4-(2-methyl-1H- imidazol-1-yl)phenylamino)-4-(trifluoromethylsulfonyloxy)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate (250 mg, 0.45 mmol, example 69c) was dissolved in DMF (2 mL). N-((tetrahydrofuran-2-yl)methyl)ethanamine (58.2 mg, 0.45 mmol) was added and the reaction mixture was stirred at 85° C. overnight. The reaction was allowed to reach room temperature, the solvent was evaporated under reduced pressure and the crude was used as such in the subsequent step. MS (ES+) m/z 534.4 (M+H)+ to reach room temperature the solvent was evaporated under reduced pressure