1. Department of Chemistry, Royal Institute of Technology, 10044 Stockholm, Sweden
2. Department of Organic Chemistry,
Arrhenius Laboratory, Stockholm University, 10691 Stockholm, Sweden
3. State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P.
R. China
4. State Key Laboratory
of Fine
Chemicals, DUT-KTH Joint Education and Research Center on Molecular
Devices, Dalian University of Technology, Dalian 116024, P. R. China