Journal of Organic Chemistry p. 2804 - 2808 (1992)
Update date:2022-07-30
Topics:
Chapoteau, Eddy
Chowdhary, Manjit S.
Czech, Bronislaw P.
Kumar, Anand
Zazulak, Wolodymyr
Synthesis of two novel 18-membered bis(urea) spherands bearing 2,4,6-trinitroanilino and 4-(diethylamino)phenylazo chromophores are described.The UV-vis spectral changes in the presence and absence of Na+ and Li+ ions are reported at pH optima.Chromogenic
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