Automation and Remote Control.
Maik Nauka Publishing / Springer SBM.
Том 67.
2006.
С. 1500-1511
New dibenzoaza-14-crowns-4 containing a fragment of γ-piperidone, in which 2,6-diaryl substituents are connected with polyethylene oxide bridges, were obtained by the Petrenko-Kritchenko reaction and then transformed by acylation into dibenzo-16-crowns-3.