A one-pot catalyst-free synthesis of functionalized pyrrolo[1,2-<i>a</i>]quinoxaline derivatives from benzene-1,2-diamine, acetylenedicarboxylates and ethyl bromopyruvate
作者:Mohammad Piltan、Loghman Moradi、Golaleh Abasi、Seyed Amir Zarei
DOI:10.3762/bjoc.9.55
日期:——
The catalyst-free multicomponent reaction of 1,2-diaminobenzene, dialkyl acetylenedicarboxylates, and ethyl bromopyruvate forms pyrrolo[1,2-a]quinoxaline derivatives in good yields. Ethylenediamine also reacts under similar conditions to produce new pyrrolo[1,2-a]pyrazine derivatives.
One-Pot, Green and Efficient Synthesis of Pyrrolo[1,2-α]Quinoxalines in Water
作者:Mohammad Piltan
DOI:10.3184/174751916x14652279155994
日期:2016.7
A variety of pyrrolo[1,2-α]quinoxaline derivatives were synthesised via the reaction of 1,2-diamines with dibenzoylacetylene and dialkyl acetylenedicarboxylates in the presence of ethyl bromopyruvate in water. This novel, eco-friendly approach offers an easy, efficient, and mild synthesis of pyrrolo[1,2-α]quinoxaline derivatives in good yields.