63. Xiong, Y. Z.; Chen, F. E.; Balzarini, J.; De Clercq, E.; Pannecouque, C., Non-Nucleoside HIV-1 Reverse Transcriptase Inhibitors Part 13. Synthesis of Fluorine-Containing Diaryltriazine Derivatives for in vitro Anti-HIV Evaluation against Wild-Type Strain. Chemistry & Biodiversity 2009, 6 (4), 561-568.

62. Xiong, X. D.; Chen, W. X.; Kuang, Y. Y.; Chen, F. E., A Novel and Practical Synthesis of 2-Amino-5-hydroxypropiophenone. Organic Preparations and Procedures International 2009, 41 (5), 423-427.

61. Wang, Y. P.; Chen, F. E.; De Clercq, E.; Balzarini, J.; Pannecouque, C., Synthesis and in vitro anti-HIV evaluation of a new series of 6-arylmethyl-substituted S-DABOs as potential non-nucleoside HIV-1 reverse transcriptase inhibitors. European Journal of Medicinal Chemistry 2009, 44 (3), 1016-1023.

60. Wang, S. X.; Chen, F. E., A Novel Cost-Effective Thiourea Bifunctional Organocatalyst for Highly Enantioselective Alcoholysis of meso-Cyclic Anhydrides: Enhanced Enantioselectivity by Configuration Inversion. Advanced Synthesis & Catalysis 2009, 351 (4), 547-552.

59. Liang, Y. H.; Feng, X. Q.; Zeng, Z. S.; Chen, F. E.; Balzarini, J.; Pannecouque, C.; De Clercq, E., Design, Synthesis, and SAR of Naphthyl-Substituted Diarylpyrimidines as Non-Nucleoside Inhibitors of HIV-1 Reverse Transcriptase. Chemmedchem 2009, 4 (9), 1537-1545.

58. Liang, Y. H.; Chen, F. E., QSAR studies for diarylpyrimidines against HIV-1 reverse transcriptase wild-type and mutant strains. European Journal of Medicinal Chemistry 2009, 44 (2), 625-631.

57. Kuang, Y. Y.; Chen, F. E., Copper- and Phosphine-Free Sonogashira Coupling Reaction Catalyzed by Polyurea-Encapsulated Palladium(II). Helvetica Chimica Acta 2009, 92 (5), 897-902.

56. Huang, J.; Xiong, F.; Wang, Z. H.; Chen, F. E., Unexpected Ring Expansion of the (3aS,6aR)-gamma-Thiolactone Moiety during the Introduction of the (+)-Biotin Side Chain. Helvetica Chimica Acta 2009, 92 (7), 1445-1449.

55. Feng, X. Q.; Liang, Y. H.; Zeng, Z. S.; Chen, F. E.; Balzarini, J.; Pannecouque, C.; De Clercq, E., Structural Modifications of DAPY Analogues with Potent Anti-HIV-1 Activity. Chemmedchem 2009, 4 (2), 219-224.