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Synthesis of 2,2-dimethylolheptaldehyde
Author(s): 
Pages: 1-3
Year: Issue:  1
Journal: ZHEJIANG CHEMICAL INDUSTRY

Keyword:  22-二羟甲基庚醛羟醛缩合甲醛庚醛;
Abstract: 以甲醛和新蒸庚醛为原料,经羟醛缩合反应合成了2,2-二羟甲基庚醛(DMH).羟醛缩合反应的最佳工艺条件为:反应温度为35℃,n(甲醛):n(庚醛):n(NaOH)=4:1:1.3,缩合剂为w(NaOH)=10%溶液,反应时间为5h.加甲酸中和碱,经精制DMH的收率达到67.8%.2,2-二羟甲基庚醛的结构用红外光谱(IR)表征.
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