反应详情

The title compound is prepared in analogous manner as described for example 47a from 6-bromo-1,1-dimethyl-1,3-dihydro-isobenzofuran to yield a light yellow oil: TLC (hexane-EtOAc 1:1) Rf=0.50; HPLC RtA=1.43 min; 1H NMR (400 MHz, CDCl3): δ10.02 (s, 1H), 7.78 (d, 1H), 7.65 (s, 1H), 7.36 (d, 1H), 5.11 (s, 2H), 1.53 (s, 9H).

1. customto yield a light yellow oil
2. customHPLC RtA=1.43 min