反应详情

Compound 158 (47 mg, 0.1 mmol), hydantoin (14 mg, 0.14 mmol) were treate as described in the preparation of compound 219. Purification was done by flash chromatography (petroleum ether/ethyl acetate 1:1) to provide the title compound, which was impure. The product was further purified by preparative TLC (petroleum ether/ethyl acetate 1:1) to furnish the title compound as yellow oil.

1. customPurification