H. Dozol et al., Nitro derivatives of 1,3-calix[4]arene bis-crown-6. Synthesis, structure and complexing properties, TETRAHEDR L, 42(47), 2001, pp. 8285-8287
The synthesis of nitro derivatives of 13-calix[4]arene bis-crown-6 is repor
ted. The X-ray structure of one of them is given. The complexation of cesiu
m cation is presented and shows the rote of the nitro groups for the comple
xation to occur. (C) 2001 Published by Elsevier Science Ltd.