作者:Garazi Urgoitia、Raul SanMartin、María Teresa Herrero、Esther Domínguez
DOI:10.1002/adsc.201600593
日期:2016.10.20
An advantageous methodology for the oxidative debenzylation of ethers has been developed. Very low amounts of a catalyst system based on vanadyl acetylacetonate and a triazole type pincer ligand allow the selective oxidative cleavage of a number of O‐benzyl ethers in the presence of oxygen as the sole oxidant. The methodology tolerates a number of functional groups such as halo‐, alkoxy‐, or trifluoromethylarenes
已经开发了用于醚的氧化脱苄基作用的有利方法。极少量的基于乙酰丙酮氧钒和三唑型钳位配体的催化剂体系可以在氧气作为唯一氧化剂的情况下选择性氧化裂解许多O-苄基醚。该方法可以耐受许多官能团,例如卤代,烷氧基或三氟甲基芳烃,炔烃,烯烃,醚和乙缩醛单元。也可以通过优化程序进行大规模脱保护,这也适用于对映体富集的反应物。