1. Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride as catalyst.

2. Under these conditions, the yield of butyraldehyde glycol acetal is 71.1%.

3. The butyraldehyde 1,2-propanediol acetal is synthesized from the acetalization reaction of butyraldehyde and 1,2-propanediol, and used iodine as catalysis.

4. Preparation process of 4,4,4-trihalogen butyraldehyde, trihalogen acid and their derivative.

5. Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.

6. Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst.

7. Using inorganic base as a catalyst, 2,2-dimethylolbutyraldehyde was prepared by the aldol condensation from formaldehyde and butyraldehyde.

8. Influence of support and preparation condition on catalytic behavior of copper-based catalysts for one-step synthesis of butyraldehyde were studied.

9. From the calculated results, the simulation data of the reactor synthesizing butanol from butyraldehyde are identical with the industrial data.http://

10. In this paper, 2,2-dimethylolbutyraldehyde was synthesized through the acetal reaction of formaldehyde and butyraldehyde, using silicotungstic acid as catalyst.

11. Respectively using barium hydroxide and a basic anion exchanger as a catalyst, 2,2-bis(hydroxymethyl) butyraldehyde is prepared from the Aldol condensation of butyraldehyde with formaldehyde.

12. Imazethapyr is synthesized from 3 - methyl - 2 - butanone. Butyraldehyde, nucochloric acid or diethyl oxalate by eight steps reaction.

13. With triethylamine as catalyst, 2,2-dihydroxymethylbutanal(DMB) was synthesized with formaldehyde and butyraldehyde taking place aldol condensation reaction.

14. Using inorganic base as a catalyst, 2,2dimethylolbutyraldehyde was prepared by aldol condensation from formaldehyde and butyraldehyde.