138611-54-8Relevant articles and documents
Heterocyclic Compounds with Bridgehead Nitrogen Atoms. Part 11. Formation of Azocinopyrrolizines in the Reactions of Indolizines with Dimethyl Acetylenedicarboxylate
Blake, Alexander J.,Dick, James W.,Leaver, Derek,Strachan, Paul
, p. 2991 - 2998 (2007/10/02)
5-Methyl-1-phenylindolizine and its 1-acetyl derivative reacted with dimethyl acetylenedicarboxylate to give both 1:1- and 1:2-adducts.UV and 1H NMR spectroscopy showed that these types of adducts are dihydro derivatives of pyrroloindolizines an