Although the [4 + 3] cycloaddition reaction has been investigated a lot over the past 10-15 years, only a few studies have been dedicated to the development of a catalytic, asymmetric process.

• 虽然[4+3]环加成曾调查了许多过去10-15年只有少数研究一直致力于发展催化、不对称的过程.