反应详情

In a similar manner to that described in Reference example 29(b), a reaction was carried out using (R)-4-benzyl-3-[(4isopropylphenoxy)acetyl]oxazolidine-2-one (10.0 g), which is the product of Reference example 30(a), solution of dibutylboron triflate in dichloromethane (1M, 34.0 ml), triethylamine (5.11 ml) and 4-benzyloxybenzaldehyde (6.60 g) and the reaction mixture was treated to afford the desired compound (12.1 g) as a mass of foam.

1. additionthe reaction mixture was treated