The Addition of Hydrogen Halides to the Carbonyl Group to give <i>gem</i>-halogenohydrins
作者:Michael D. McManus、James B.B. Skinner、D.E. Peter Hughes
DOI:10.3184/174751911x13088402534637
日期:2011.6
By conductivity measurements, it has been shown that HCl, HBr and HI undergo addition to propanone and propanal to give gem-halogenohydrins. Chlorohydrins have been detected when HCl combined with aldehydes that do not undergo keto-enol tautomerism and 1,2,2,2-tetrachlorethanol has been identified when HCl combines with trichloroethanal (chloral). The formation of gem-chlorohydrins has been reported
通过电导率测量,已表明 HCl、HBr 和 HI 与丙酮和丙醛发生加成反应,生成偕卤代醇。当 HCl 与不发生酮烯醇互变异构的醛结合时可检测到氯醇,当 HCl 与三氯乙醛(氯醛)结合时可检测到 1,2,2,2-四氯乙醇。据报道,在氯化烃的酶促降解过程中会形成 gem-氯醇,但这是首次报道它们可以在室温下直接结合形成。因此,该反应应被视为羰基的典型性质,类似于水和 HCN 的加入。