SYNTHESIS AND CHEMICAL PROPERTIES OF NEW DERIVATIVES OF 3a',6a'-DIHYDRO-2'<i>H</i>-SPIRO[INDOLE-3,1'-PYRROLO[3,4-<i>c</i>]PYRROLE]2,4',6'(1<i>H</i>,3'<i>H</i>,5'<i>H</i>)-TRIONE
DOI:
https://doi.org/10.1007/362Keywords:
α-amino acids, isatins, maleimides, acylation, alkylation, 1, 3-cycloaddition, nitrosationAbstract
A series of new 3a',6a'-dihydro-2'H-spiro[indole-3,1'-pyrrolo[3,4-c]pyrrole]-2,4',6'(1H,3'H,5'H)-triones has been synthesized by cycloaddition of azomethine ylides, obtained from isatins and acyclic aliphatic and sulfur-containing α-amino acids, to maleimides. The direction of the cycloaddition was determined and the chemical properties of the obtained spiro products were examined.
Authors: T. L. Pavlovskaya, R. G. Red'kin, F. G. Yaremenko, S. V. Shishkina, O. V. Shishkin, V. I. Musatov, and V. V. Lipson
English Translation in Chemistry of Heterocyclic Compounds, 2013, 49 (6), pp 882-896