CAJ | 학술논문

以H6 P2 W18 O62/SiO2为催化剂，丁醛和1，2-丙二醇为反应物料催化合成丁醛1，2-丙二醇缩醛，并且利用正交实验的方法探究了H6 P2 W18 O62/SiO2对缩醛反应的催化活性，较系统地研究了各种因素对产物收率的影响。结果表明，在n（n丁醛＝0．2mol）∶n（1，2-丙二醇）＝1∶1．3，带水剂环己烷的用量为6mL，催化剂H6 P2 W18 O62/SiO2的用量为反应物总质量的1．0％，加热回流的反应时间为60min的优化条件下，产品的平均收率可达92．3％．
이H6 P2 W18 O62/SiO2위최화제，정철화1，2-병이순위반응물료최화합성정철1，2-병이순축철，병차이용정교실험적방법탐구료H6 P2 W18 O62/SiO2대축철반응적최화활성，교계통지연구료각충인소대산물수솔적영향。결과표명，재n（n정철＝0．2mol）∶n（1，2-병이순）＝1∶1．3，대수제배기완적용량위6mL，최화제H6 P2 W18 O62/SiO2적용량위반응물총질량적1．0％，가열회류적반응시간위60min적우화조건하，산품적평균수솔가체92．3％．
Butyraldehyde 1,2-propanediol acetal was synthesized from butyraldehyde and 1,2-propanediol in the presence of H6 P2 W18 O62/SiO2 .The factors influencing the synthesis were discussed and the best conditions were found out .The optimum conditions are:molar ratio of butyraldehyde to 1,2-propanediol is 1:1.3, the quality of catalyst is equal to 1.0% of feed stocks, the dried cyclohexane is 6mL,and the reaction time is 60 min.H6 P2 W18 O62/SiO2 is an excellent catalyst for synthesi-zing butyraldehyde 1,2-propanediol acetal and its yield can be up to 92.3%.