Two new reactive aza crown ethers, (1) and (2), containing the 4-hydroxypyridine unit have been prepared and found to be different with respect to pK(H2O) values for H2L+, structures of the hydrates of HL, and complex formation with benzylamine and the benzylammonium ion.
Y. Nakatsuji, J. S. Bradshaw, P. Tse, G. Arena, B. E. Wilson, N. K. Dalley and R. M. Izatt, J. Chem. Soc., Chem. Commun., 1985, 749 DOI: 10.1039/C39850000749
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