Perchloric acid adsorbed on silica-gel (HClO4âSiO2) was found to be a new, highly efficient, inexpensive and reusable catalyst for chemoselective N-tert-butoxycarbonylation of amines at room temperature and under solvent-free conditions.
吸附在
硅胶上的
高氯酸(HClO4–SiO2)被发现是一种新的、高效、廉价且可重复使用的催化剂,可在室温和无溶剂条件下选择性地对胺进行N-特丁氧基碳酰化反应。