Novel approach towards the synthesis of skeletally diverse benzimidazole-pyrrolo[1,2-a]quinoxaline by SNAr/Pictet–Spengler reaction under focused microwave irradiation†
Abstract
In a study aimed at developing a novel concise approach to the benzimidazole-pyrrolo[1,2-a]quinoxaline core of medicinal interest, a Pictet–Spengler reaction has been identified that gives direct access to the target compound on soluble