反应详情

The reaction was carried out similarly as described in the preparation of compound 406, using compound 425 (0.99 mmol) and ethynyltrimethylsilane (0.99 mmol). The crude product was purified by continuous gradient flash chromatography using EtOAc/petroleum ether (40-60) 0:100 to 10:90 as the eluent to afford the title compound as light orange syrup.

1. customThe crude product was purified by continuous gradient flash chromatography