摘要
New synthesis of multi-layer 3 D chiral molecules has been developed under novel conditions to give better outcomes.The aggregation-induced emission(AIE),UV irradiation/excitation,charge transfer(CT)and local excited(LE)ππ*transitions have been investigated on a representative individual enantiomer of pseudo C_2 asymmetry which was made possibly by differentiating moieties on phosphorous on N-phosphonyl ring of chiral sandwich framework.Meanwhile,a new tandem C–N/C–C coupling reaction was unexpectedly rendered providing a novel access to special benzo[a]carbazoles.
基金
supported by the National Natural Science Foundation of China(91956110,21672100)
Robert A.Welch Foundation(D-1361,USA)
financial support from Beijing National Laboratory for Molecular Sciences(BNLMS201910)
support from the School of Pharmaceutical Science and Technology(SPST),Tianjin University,Tianjin,China。