反应详情

A mixture of 3.1 g of 2,2-dimethyl-4-benzyloxycarbonylbutyric acid and 3.3 ml of oxalyl chloride was refuxed for 1 h. After being cooled to room temperature, the solution was concentrated in vacuo and dried overnight The obtained oil was not further purified for the next reaction.

1. concentrationthe solution was concentrated in vacuo
2. customdried overnight The obtained oil
3. customwas not further purified for the next reaction