2-(Bromomethyl)-5-(trifluoromethyl)furan → 1'-(3-cyclopropylpropyl)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 (3-bromopropyl)cyclopropane to replace 2-(bromomethyl)-5-(trifluoromethyl)furan, the title compound was obtained (51%) as a white solid: mp 111-113° C.; MS (ES+) m/z 364.3 (M+1).

Provenance & Evidence