80765-60-2Relevant academic research and scientific papers
Azabutadiene Derivatives in the Synthesis of Five-Membered Heterocycles. Unequivocal Synthesis of 1H-Pyrrole-2-carboxylates
Barluenga, Jose,Rubio, Victor,Gotor, Vicente
, p. 1696 - 1698 (1982)
1,3-Diimines 1 react with glycine ethyl ester hydrochloride 2 as well as ethyl chloroacetate 9 in pyridine, giving rise to 1H-pyrrole-2-carboxylates 8 in both cases.The formation of heterocycles 8 can be explained in terms of an electrocyclic closure of t
