Palladium-catalyzed mono-N-allylation of unprotected amino acids with 1,1-dimethylallyl alcohol in water
作者:Hidemasa Hikawa、Yuusaku Yokoyama
DOI:10.1039/c1ob05238a
日期:——
Palladium-catalyzed N-allylation of unprotected amino acids with 1,1-dimethylallyl alcohol were carried out. The reaction in the presence of Pd(OAc)2 (5 mol%), sodium diphenylphosphinobenzene-3-sulfonate (TPPMS, 10 mol%), and AcONa (2 equiv) in water at 120 °C for 16 h in a sealed tube gave only mono-N-allylated amino acids in good yield.
在未保护的氨基酸与1,1-二甲基烯基醇的钯催化N-烯基化反应中,使用了Pd(OAc)2(5摩尔%)、苯基磷酸钠-3-磺酸酯(TPPMS,10摩尔%)和醋酸钠(2当量)在水中,以120°C在密封管中反应16小时,仅得到了单一的N-烯基化氨基酸,且产率良好。