High-pressure [4+2]cycloaddition of 1-methoxybuta-1,3-diene to carbonyl compounds is described. The pressure required is successfully reduced to 10 kbar with the use of a lanthanide catalyst.
介绍了 1-甲氧基丁-1,3-二烯与羰基化合物的高压 [4+2] 环加成反应。通过使用
镧系催化剂,成功地将所需压力降至 10 千巴。