3-(5-bromo-2-hydroxyphenyl)-3-hydroxy-1,3-dihydro-2H-indol-2-one → 3-(5-bromo-2-hydroxyphenyl)-1,3-dihydro-2H-indol-2-one

Participants

Reaction Steps

Following the procedure as described in PREPARATION 1D, and making non-critical variations to replace 4-bromo-3-hydroxy-3-(6-hydroxy-1,3-benzodioxol-5-yl)-1-pentyl-1,3-dihydro-2H-indol-2-one with 3-(5-bromo-2-hydroxyphenyl)-3-hydroxy-1,3-dihydro-2H-indol-2-one, the title compound was obtained (98%) as a white powder: MS (ES+) m/z 306.2 (M+1), 304.2 (M+1).

Provenance & Evidence