Intramolecular N-arylation in heterocyclization: synthesis of new pyrido-fused pyrrolo[1,2-a][1,4]diazepinones
作者:Loreto Legerén、Domingo Domínguez
DOI:10.1016/j.tetlet.2010.05.121
日期:2010.8
intramolecular Pd-catalysed amidation, provided an entry to the pyrido[2,3-e]pyrrolo[1,2-a][1,4]diazepin-10-one scaffold. Furthermore, a synthetic route towards diverse new pyrido[f]pyrrolo[1,2-a][1,4]diazepin-7-ones has been developed by acylation of contiguously substituted (aminomethyl)halopyridines with Boc-l-proline followed by intramolecular amination.
将1-脯氨酰胺与3-(氯甲基)-2-卤代吡啶烷基化,然后通过分子内Pd催化的酰胺化反应进行环化,从而提供了吡啶并[2,3- e ]吡咯并[1,2- a ] [1 ,4] diazepin-10-1支架。此外,通过用Boc-1-脯氨酸对连续取代的(氨甲基)卤代吡啶进行酰化,然后再用Boc-1-脯氨酸进行酰化反应,从而开发了一条合成途径,用于合成各种新的吡啶并[ f ]吡咯并[1,2- a ] [1,4]二氮杂-7-酮。分子内胺化。