New cage-fused polyaza polycyclic systems based on thioglycolurils and alkanediaminesстатья
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Дата последнего поиска статьи во внешних источниках: 8 сентября 2020 г.
Аннотация:New aspects of multicomponent condensation reactions of ethylene/propylenediamine, formaldehyde and unsubstituted and 1-methyl substituted semithio- and dithioglycolurils have been examined. Ethylene-linked 2,3a,4a,6,9,10a,11a-heptaaza-6,9-methanobenzo[cd]cyclonona[gh]pentalene and 2,6: 10,14-dimethano- 2,6,7a,8a,10,14,15a,16a- octaazadi-cyclodeca[cd,gh]pentalene as well as their simpler analogues were synthesized, and their structures were proved by 1D and 2D NMR spectroscopy, HRMS and X-ray analysis.