1. Teng-Yue Jian, Xiang-Yu Chen, Li-Hui Sun, Song Ye* "N-Heterocyclic Carbene-Catalyzed [4 + 2] Cycloaddition of Ketenes and 3-Aroylcoumarins: Highly Enantioselective Synthesis of Dihydrocoumarin-Fused Dihydropyranones." Org. Biomol. Chem., 2013, 11, 158-163. PDF

2. Li-Ta Shen, Wen-Qiang Jia, Song Ye*. "Catalytic [4+2] Cyclization of α,β-Unsaturated Acyl Chlorides with 3-Alkylenyloxindoles: Highly Diastereo- and Enantioselective Synthesis of Spirocarbocyclic Oxindoles." Angew. Chem. Int. Ed. 2013, 52, 613-616. PDF

3. Li-Hui Sun, Zhi-Qin Liang, Wen-Qiang Jia, Song Ye*. "Enantioselective N-Heterocyclic Carbene Catalyzed Aza-Benzoin Reaction of Enals with Activated Ketimines." Angew. Chem. Int. Ed. 2013, 52, 5803-5806. PDF

4. Xiang-Yu Chen, Li-Hui Sun, Song Ye*. "N-Heterocyclic carbene catalyzed [4+2] cycloaddition of nitroalkenes with oxodienes." Chem. Eur. J. 2013, 19, 4441-4445. PDF

5. Hui Lv, Wen-Qiang Jia, Li-Hui Sun,  Song Ye*. "N-Heterocyclic Carbene Catalyzed [4+3] Annulation of Enals and o-Quinone Methides: Highly Enantioselective Synthesis of  Benzo-ε-Lactones." Angew. Chem. Int. Ed. 2013, 52,  8607–8610. PDF

 6. Xiang-Yu Chen, Fei Xia, Jin-Tang Cheng, and Song Ye*. "Highly Enantioselective g-Amination by N-Heterocyclic CarbeneCatalyzed [4+2] Annulation of Oxidized Enals and Azodicarboxylates**." Angew. Chem. Int. Ed. 2013, 52, 10644 –10647. PDF

 7. Xiang-Yu Chen, Song Ye*. "Enantioselective Cycloaddition Reactions of Ketenes Catalyzed by N-Heterocyclic Carbenes." Synlett. 2013; 24(13): 1614-1622. PDF

 8. Han-Ming Zhang, Hui Lv and  Song Ye* . "N-Heterocyclic carbene-catalyzed highly enantioselective synthesis of substituted dihydropyranopyrazolones." Org. Biomol. Chem., 2013,11, 6255-6257. PDF

 9. Xiang-Yu Chen  and  Song Ye*. "N-heterocyclic carbene-catalyzed reactions of C–C unsaturated bonds." Org. Biomol. Chem., 2013,11, 7991-7998. PDF

10. Xiang-Yu Chen, Fei Xia and Song Ye*. "Catalytic MBH reaction of β-substituted nitroalkenes with azodicarboxylates." Org. Biomol. Chem., 2013,11, 5722-5726. PDF