Mg and Zn mediated allylation of imines with allyl bromide
作者:De-Kun Wang、Li-Xin Dai、Xue-Long Hou、Yi Zhang
DOI:10.1016/0040-4039(96)00791-5
日期:1996.6
Both aldimines and ketimines are allylated under simple Barbier-type conditions using allylbromide and commercial magnesium foil or zinc dust in tetrahydrofuran at room temperature.
Reductive addition of allyl bromide to imines has been performed with a combination of a catalytic amount of PbBr2 (0.03–0.1 equiv.) and Al (1 equiv.) in Et2O containing BF3·OEt2 (1.1 equiv).
Barbier-type allylation of unactivated aldimines with allyl bromides in the presence of indium powder took place rapidly in alcoholic solvents to give homoallylic amines in fair to good yields.
A three-component synthesis of homoallylic amines catalyzed by CuI
作者:Pabitra Kumar Kalita、Prodeep Phukan
DOI:10.1016/j.tetlet.2008.07.032
日期:2008.9
Cuprous iodide is a very effective catalyst for the three-component condensation of an aldehyde, benzylamine and allyltributylstannane in DMF to produce homoallylicamines in high yields.