copper(I)-doped zeolite CuI–USY proved to be a versatile, efficient, and recyclable catalyst for various Ullmann-type coupling reactions. Easy to prepare and cheap, this catalytic material enables the arylation and heteroarylation of diverse O-, N-, S-, and C-nucleophiles under ligand-free conditions while exhibiting large functional group compatibility. The facility of this catalyst to promote C–O bond
掺杂
铜(I)的
沸石Cu I- USY被证明是用于各种Ullmann型偶联反应的通用,高效且可回收的催化剂。这种催化材料易于制备且价格便宜,可在无
配体的条件下实现多种O-,N-,S-和C-亲核试剂的芳基化和杂芳基化,同时具有大的官能团相容性。这种催化剂促进C-O键形成的功能在3-甲基obovatol(一种具有
生物学相关性的天然存在的二芳基醚)的全合成中得到了进一步证明。从机理的角度出发,已经提出了两种竞争途径,这取决于亲核试剂的性质并与所获得的结果一致。