反应详情

To a mixture of 3.48 g of product from Example 97 and 12 ml of dimethylformamide is added 1.86 g of t-butyldimethylsilyl chloride and 1.86 g of imidazole. After stirring the reaction at room temperature for 2 hours, the mixture is diluted with ethyl acetate/diethyl ether, washed 5 times with water, once with saturated sodium bicarbonate and once with saturated sodium chloride. The organic layer is dried, filtered and concentrated in vacuo to give 3.90 g of the desired silylated product.

1. customthe reaction at room temperature for 2 hours
2. washwashed 5 times with water
3. customThe organic layer is dried
4. filtrationfiltered
5. concentrationconcentrated in vacuo
6. customto give 3.90 g of the desired silylated product