Organometallic chemistry of 15-membered tri-olefinic macrocycles: catalysis by palladium(0) complexes in carbon–carbon bond-forming reactions
作者:Marcial Moreno-Mañas、Roser Pleixats、Rosa M. Sebastián、Adelina Vallribera、Anna Roglans
DOI:10.1016/j.jorganchem.2004.05.024
日期:2004.11
15-Membered macrocycles (E,E,E)-1,6,11-tris(arenesulfonyl)-1,6,11-triazacyclopentadeca-3,8,13-trienes (1) are prepared from arenesulfonamides and trans-1,4-dibromo-2-butene. Macrocycles 1 coordinate palladium(0), platinum(0), and silver(I). The palladium complexes are useful and reutilizable catalysts or precatalysts in Suzuki cross-couplings, butadiene telomerizations, hydroarylation of alkynes, and
由芳烃磺酰胺和反式-1制备15元大环(E,E,E)-1,6,11-三(芳烃磺酰基)-1,6,11-三氮杂环戊adeca-3,8,13-三烯(1)4-二溴-2-丁烯。大环化合物1配位钯(0),铂(0)和银(I)。钯络合物在Suzuki交叉偶联,丁二烯端粒化,炔烃的加氢芳基化和Heck反应中是有用且可重复使用的催化剂或预催化剂。与结构相关的大环化合物也可以通过类似的合成程序获得。