Synthesis of the tripodal-amine capped benzo crown p-tert-butylcalix[4]arene and its host-guest chemistry
摘要:
The tripodal-amine capped benzo crown p-rert-butylcalix[4]arene (6) was synthesised. The basicity of the nitrogen donors in 6 based on the protonation constants was measured by potentiometric titration. The complexation studies of 6 with Zn(II) ions were also carried out by H-1 NMR spectroscopy. (C) 1997 Elsevier Science Ltd.