3-(Isocyanomethyl)-5-(propan-2-yl)-1,2,4-oxadiazole → 6-Fluoro-4,5-dihydro-3-(5-isopropyl-1,2,4-oxadiazol-3-yl)-5-[(pyrrolidino)carbonyl]imidazo[1,5-a]quinoxaline

Participants

Reaction Steps

Following the general procedure of EXAMPLE 30 and making non-critical variations but using 5-fluoro-1,2,3,4-tetrahydro-4-[(pyrrolidino)carbonyl]quinoxalin-2-one (XXXII, EXAMPLE 29, 0.978 g) and 3-isocyanomethyl-5-isopropyl-1,2,4-oxadiazole (0.673 g) are converted to the title compound, mp 169°-170°; MS (m/z) at 396; IR (mineral oil) 1657, 1495, 1216, 1614 and 785 cm-1 ; NMR (CDCl3) 1.47, 1.86, 3.30, 3.34, 5.13, 7.08, 7.22, 7.38 and 8.12 δ.

Provenance & Evidence