CuFe-hydrotalcite-like compound (CuFe-HTLcs) with different n (Cu) : n (Fe) were prepared by coprecipitation and used as catalyst in synthesis of furfural 1,2-propanediol acetal from furfural and 1,2-propanediol.

Synthesis of n-octylaldehyde 1,2-propylene glycol acetal with silica supported ferric sulfate as catalyst;

Synthesis of n-butyraldehyde 1,2-propanediol acetal by using H_4SiW_6Mo_6O_(40)/PAn as catalyst;

Catalytic activities of H3PW6Mo6O40 in synthesizing n-butyraldehyde 1,2-propanediol acetal were reported.

n-butyraldehyde 1,2-propanediol acetal (Ⅰ) was synthesized from n-butyraldehyde (Ⅱ) and 1,2-propanediol (Ⅲ) in the presence of SO_4~(2-)/TiO_2-La_2O_3 (Ⅳ).

Catalytic synthesis of butyraldehyde 1,2-propanediol acetal with H_3PW_(12)O_(40)/PAn;

Using butyraldehyde and 1,2-propanediol as raw materials, H3PW6Mo6O 40 /TiO2 as catalyst, butyraldehyde 1,2-propanediol acetal is synthesized.

SO_4~(2-)/TiO_2-WO_3 is an excellent catalyst for synthesizing butyraldehyde 1,2-propanediol acetal and the yield can be up to 8.

Isobutyraldehyde 1,2-propanediol acetal(Ⅰ)was synthesized from isobutyraldehyde(Ⅱ) and 1,2-propanediol(Ⅲ) in the presence of aminosulfonic acid(Ⅳ) as catalyst.

The preparation method of solid super acid SO2-4/TiO2-MoO3 catalyst and new technique for isobutyraldehyde 1,2-propanediol acetal was catalyzed synthesized with SO2-4/TiO2-MoO3 as catalyst(--applied example),which were detailed described in this thesis.

The synthesis of isobutyraldehyde 1,2-propanediol acetal from isobutyraldehyde and 1,2-propanediol cat- alyzed by the strongly acidic cation exchange resin of styrene system was studied.