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TiO₂/SO₄^2-催化季戊四醇双缩醛或双缩酮的合成

Synthesis of Diacetals from Aldehydes and Ketones with Pentaerythritol Catalysed by TiO₂/SO₄^2- Solid Superacid

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【Author】 SUN Xu1, WANG Xiao-feng2 ,JIN Tong-shou1, LI Tong-shuang1 (1.College of Chemistry and Environment Science, Hebei University, Baoding 071002, China; 2. School of Town and Country Buillding of Hebei Province , Shijiazhuang 050000,China)

【机构】河北大学化学与环境科学学院!河北保定071002；河北省城乡建筑学校!河北石家庄050000；

【摘要】在固体超强酸TiO2 /SO4 2 - 催化下 ,以苯或甲苯为脱水剂 ,季戊四醇与醛、酮反应 ,制得了产率为85%～ 97%的双缩醛或双缩酮 .更多还原

【Abstract】 Synthesis of diacetals in 85%～97% yields from aldehydes and ketones with 2,2-bis(hydroxymethyl)propane-1,3-diol is carried out in refluxing benzene or toluene with TiO 2/SO 4 2- solid superacid as catalyst更多还原