3]thiazoles are described from readily accessible α-tosyloxyketones and mineral oxides in processes that are accelerated by exposure to microwaves. The 2-aroylbenzo[b]furans are readily obtained from salicylaldehydes and α-tosyloxyketones in the presence of solid potassium fluoride doped alumina (KF–Al2O3) whereas montmorillonite K-10 clay provides 1,3-thiazoles from thioamides and α-tosyloxyketones
2-芳酰基苯并的迅速无溶剂合成[ b ]
呋喃,1,3-
噻唑和3-芳基-5,6-二氢
咪唑并[2,1- b ] [1,3]是从容易获得α-tosyloxyketones描述
噻唑类和通过暴露于微波而加速的过程中的矿物氧化物。在固态
氟化
钾掺杂的氧化铝(KF–Al 2 O 3)存在下,从
水杨醛和α-
甲苯磺酰氧基酮很容易获得2-芳基苯并[ b ]
呋喃,而
蒙脱土K-10粘土从
硫酰胺和α提供了1,3-
噻唑。 -
甲苯磺酰氧基酮。同样,亚乙基
硫脲和α-
甲苯磺酰氧基酮可提供桥头氮杂环,3-芳基-5,6-二氢
咪唑并[2,1- b] [1,3]
噻唑类,其收率很高,在传统的加热条件下不易获得。