HETEROCYCLES WITH A BRIDGED NITROGEN ATOM. 13. AN ANOMALOUS EXAMPLE OF THE SULFONATING ACTION OF DIMETHYL SULFATE DURING AN ATTEMPT AT THE METHYLATION OF 5-AMINOINDOLIZINE. CRYSTAL STRUCTURE OF METHYL 5-MORPHOLYL-2-(<i>p</i>-NITROPHENYL)INDOLIZINE-1-SULFONATE
DOI:
https://doi.org/10.1007/318Keywords:
indolizine, oxazole, oxazolo[3, 2-a]pyridine, pyridine, pyrrole, X-ray crystallographic analysis, recyclization with acetylacetone, 5-methyl-2-(p-nitrophenyl)oxazolo[3, 2-a]pyridinium perchlorate, 1-acetyl-2, 5-dimethylindolizineAbstract
The reaction of 5-morpholino-2-(p-nitrophenyl)indolizine with dimethyl sulfate gives the sulfonation product – methyl 5-morpholyl-2-(p-nitrophenyl)indolizine-1-sulfonate. Its structure was proved by X-ray crystallographic analysis.
Authors: E. V. Babaev, K. Yu. Pasichnichenko, V. B. Rybakov, S. G. Zhukov, and A. V. Efimov.
English Translation in Chemistry of Heterocyclic Compounds, 2000, 36 (9), pp 1086-1090