Synthesis of C2-symmetry 2,2′-bipyridine and 1,10-phenanthroline chiral ligands bearig the 6,6-dimethylnorpinan-2-aryl group
作者:Giorgio Chelucci、Massimo Falorni、Giampaolo Giacomelli
DOI:10.1016/s0040-4020(01)88502-1
日期:1992.1
6-(1S,2S)-6,6-dimethylbicyclo[3.1.1.]hept-2-yl})-2-6-(1S,2S)-6,6-dimethylbicycio [3.1.1.]hept-2-yl}-pyridin-2-yl}-pyridine (5), 2,9-bis(1S,2S)-6,6-dimethylbicyclo[3.1.1.] hept-2-yl}-5,6-dihydro-1,10-phenanthroline (11) and 2,9-bis(1S,2S)-6,6-dimethylbicyclo[3.1.1.] hept-2-yl}-1,10-phenanthroline(12),three new chiral nitrogen ligands of C2 symmetry have been prepared.