1. Department
of Chemistry and FQRNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke St. W., Montreal, Quebec H3A 0B8, Canada
2. Ministry
of Education Key laboratory of Combinatorial Biosynthesis and Drug
Discovery, Hubei Provincial Engineering and Technology Research Center
for Fluorinated Pharmaceuticals, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China