Supported by the National Natural Science Foundation of China(No.20973077), the Program for New Century Excellent Talents in University of China(No.NCET-07-0358) and the Brain Gain Fund of Huazhong University of Science and Technology, China.
A mechanism about the origin of the selectivities for the cleavage of dioxolane five-membered rings on pyranoside rings was suggested. Quantum chemical studies were performed to testify the rationality of the mechanis...