Chemical Modification of Plant Alkaloids. 7. T-Reaction of an Aloperine Derivative

N-(2-Carboxy-5-nitrophenyl)aloperine was prepared from aloperine and 2-fluoro-5-nitrobenzaldehyde and condensed with 1,3-dimethylbarbituric acid via a T-reaction with opening of the piperidine ring and formation of 1,3-dimethyl-5-{5-nitro-2-[3-(10-oxo-7-azatricyclo[7.3.1.0 2,7 ]trideca-11-en-12-yl)propylamino]} benzylhexahydro-2,4,6-pyrimidinetrione. The structure of the prepared compound was studied by an X-ray crystal structure analysis.