反应详情

The title product was prepared according to the procedure described in Example 162, Step 2, starting from 2-chloro-3-(1-piperazinyl)quinoxaline (described in Example 162. Step 1) and 3,4-dihydro-2H-chromen-2-ylmethanol.* The product was obtained as a yellow amorphous substance: yield 23%; mp 202-204° C.; HRMS m/z calcd for C13H16N4O2(M)+376.1899, found 376.1899. Anal. (C22H24N4O2.HCl) H; C: calcd, 61.32; found. 60.7; N: calcd, 13.00; found 13.5.

1. custom* The product was obtained as a yellow amorphous substance