Improved synthesis of piperidone derivatives;

Studies on Syntheses of N-Substituted-4-Piperidone Derivatives;

Theoretical elucidation of structure-antioxidant activity relationship of piperidine derivatives;

A new extracting agent of piperidine derivant was synthesized.

Progress in the synthesis of diketopiperazines;

A series of 3-thienyl-6,7-methylenedioxy-1(2H,4H)-acridone derivatives are synthesized through the microwave irradiation on 5-thienyl-1,3-cyclohexanedione and the o-aminopiperonal under the solventfree condition.

Seven acridone derivatives were prepared from substituted phenyl amines and o_chlorophylgormic acid.