%0 Journal Article %T 1-Nitro-2,3-di-2-pyridyl-2,3-dihydroindolizine %A Martin Schulz %A Tobias Kloubert %A Helmar Gö %A rls %A Matthias Westerhausen %J Acta Crystallographica Section E %D 2009 %I International Union of Crystallography %R 10.1107/s1600536809011842 %X The title compound, C18H14N4O2, was found as a by-product in the nitroaldol reaction between 2-(nitromethyl)pyridine and N-(pyridin-2-ylmethylidene)methaneamine. Its two stereogenic centers give rise to four stereoisomers of which only the anti isomers are found in this crystal structure. %U http://scripts.iucr.org/cgi-bin/paper?S1600536809011842