AlMe<sub>3</sub>-Mediated Regio- and Chemoselective Reactions of Indole with Carbamoyl Electrophiles
作者:A. Velavan、S. Sumathi、K. K. Balasubramanian
DOI:10.1002/ejoc.201300085
日期:2013.5
we report the regio- and chemoselective reactions of indole with carbamoyl electrophiles in presence of AlMe3. Indole-3-carboxamide was prepared in one-step from a reaction of indole with tertiary carbamoylimidazole in the presence AlMe3. Under conditions for the formation of an aluminium ate complex, the reaction was diverted to the indole nitrogen. Secondary carbamoyl electrophiles in the presence
在此,我们报告了在 AlMe3 存在下吲哚与氨基甲酰基亲电试剂的区域选择性和化学选择性反应。Indole-3-carboxamide 是在 AlMe3 存在下由吲哚与叔氨基甲酰基咪唑反应一步制备的。在形成铝酸盐络合物的条件下,反应转向吲哚氮。二级氨基甲酰基亲电子试剂在 AlMe3 存在下区域特异性地产生三取代的脲。还研究了吲哚氮对酯和叔氨基甲酰基咪唑官能团的区域特异性和化学选择性。