A novel type of chiral molecular clefts consisting of a rigid deoxycholic acid methyl ester backbone and chiral unsymmetrically disubstituted urea side chain have been designed and synthesized. All these new receptor...A novel type of chiral molecular clefts consisting of a rigid deoxycholic acid methyl ester backbone and chiral unsymmetrically disubstituted urea side chain have been designed and synthesized. All these new receptors 3a^c and the corresponding key intermediates 1a^c and 2a^c are new compounds, their structures were confirmed by 1HNMR, IR, MS spectra and elemental analysis. These molecular clefts showed binding ability for halide anions.展开更多
基金the National Natural Science Foundation of China for the financial support(Project No.:20072026).
文摘A novel type of chiral molecular clefts consisting of a rigid deoxycholic acid methyl ester backbone and chiral unsymmetrically disubstituted urea side chain have been designed and synthesized. All these new receptors 3a^c and the corresponding key intermediates 1a^c and 2a^c are new compounds, their structures were confirmed by 1HNMR, IR, MS spectra and elemental analysis. These molecular clefts showed binding ability for halide anions.