在分子碘作用下,以吲哚、醛和2,2-二甲基-1,3-二(噁)烷4,6-二酮为原料,通过三组分缩合反应合成了10种5-[(3-吲哚基)-甲基]-2,2-二甲基-1,3-二(噁)烷-4,6-二酮衍生物.当催化剂的用量为5％(摩尔分数)时,30℃反应60～90 min,收率为71.4％～97.3％.此外,还探讨了分子碘的催化机理.
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