TY - JOUR AU - Hani Amouri AU - Yvon Besace AU - Jacqueline Vaissermann TI - Synthesis, NMR and properties of a novel crown ether dimer: X-ray molecular structure of bis(2, 5-dimethoxy-4,6-dimethyl-1,3-xylyl)-18-crown-4 JO - Comptes Rendus. Chimie PY - 2003 SP - 193 EP - 197 VL - 6 IS - 2 PB - Elsevier DO - 10.1016/S1631-0748(03)00037-7 LA - en ID - CRCHIM_2003__6_2_193_0 ER -