Triethylamine → HCID 18796899, compound

Participants

Reaction Conditions

Reaction Steps

A solution of the methyl 7-amino-2-chloro-thieno[2,3-b]pyrazine-6-carboxylate prepared as described in Example 10C (0.190 g), thiophene-3-boronic acid (0.100 g), Pd(dppf)C12 (0.032 g) and triethylamine (0.22 mL) in degassed DMF was heated to 95° C. for 4 h, cooled, quenched in water and extracted with 1:1 Et2O/EtOAc (3×). The organics were washed 3× with water, brine, dried (Na2SO4), filtered and solvent evaporated to give 0.200 g (88%) of the title compound: 1H NMR (300 MHz, CDCl3) δ 3.95 (3H, s), 6.23 (2H, br s), 7.50 (1H, dd), 7.79 (1H, dd), 8.05 (1H, dd), 9.00 (1H, s).

Provenance & Evidence