Two-way discriminative conversion, reduction and dihydroxylation of α,β-unsaturated esters were achieved in the presence of enals using two phosphonium salts as in situ protecting groups. Furthermore, a pot-economical one-pot synthesis of a tetrahydrofuran derivative was achieved.

中文翻译：

---

选择性还原和二羟基化

在使用两种phospho盐作为原位保护基的烯醛存在下，实现了α，β-不饱和酯的双向鉴别转化，还原和二羟基化。此外，实现了四氢呋喃衍生物的锅内经济的一锅合成。