He showed that the aldol reaction can be catalysed by a single amino acid, proline. And, crucially, this retains the enantiomeric purity of the enzyme-mediated reaction.

他证明了羟醛缩化反应可以被一种氨基酸--脯氨酸催化。最重要的是，这保留了酶介导反应的对映体纯度。