Endogenous production of protoporphyrin Ⅸ induced by 5-aminolevulinic acid in leukemia cells;

Study on technology of ultrasound-microwave assisted generats levulinic acid by hydrolysis of cornstarch;

Lactonization and condensation polymerization of 5-hydroxylevulinic acid;

Technology for production of levulinic acid as new platform chemical from wheat straw;

Study on synthesis conditions of propyl acetate catalyzed by cation exchange resin;

Catalytic synthesis of propyl acetate in lonic liquid [bmim]PTSA

Result showed that the yield of propyl acetate reached 89.

In the experiment, ethyl propionate was synthesized by reaction of propionic acid with absolute ethyl alcohol in the presence of p-Toluene sulfonic acid.

3-methyl-2-hydroxy-cyclopent-2-en-1-one was prepared from ethyl propionate and dietthyl oxalate through Claisen ester condensation, Michael addition, Dieckmann ester condensation and decarboxylation reactions in total 51.

The alkaline lipase catalyzed syntheses of ethyl propionate in organic solvent are studied.

The catalytic synthesis of propylaectate with solid super acid Al_2O_3/SO~(2-)_4,action exchange resin which absorbed Fe~(3+),diatomite which absorbed sulfate,inorganic salt and rare earth oxide catalyst et al.

In this paper, the synthesis methocle and catalysic action in synthesis of propylaectate is presented.