5-(Bromomethyl)-2,1,3-benzoxadiazole → 1'-(2,1,3-benzoxadiazol-5-ylmethyl)spiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-2'(1'H)-one

Participants

Reaction Steps

Following the procedure described in EXAMPLE 10.21, and making non-critical variations using spiro[furo[2,3-f][1,3]benzodioxole-7,3′-indol]-2′(1′H)-one to replace 5,5-dimethyl-5,6-dihydrospiro[benzo[1,2-b:5,4-b′]difuran-3,3′-indol]-2′(1′H)-one, and 5-(bromomethyl)benzo[c][1,2,5]oxadiazole to replace 2-(bromomethyl)-5-(trifluoromethyl)furan, the title compound was obtained (17%) as a white solid: mp 163-165° C.; MS (ES+) m/z 414.4 (M+1).

Provenance & Evidence