Selectivity of Anionic Activation by Fluoride Ion in Solid-Liquid Systems. Synthesis of Tetramic Acids and 4-Methylene-1,3-oxazolidin-2-ones.
The butanamides 1, treated with cesium fluoride in the presence of benzyltriethylammonium chloride, give the tetramic acids 3.In the same way, the fluoride ion-induced reaction of N,N'-diarylureas with 3-hydroxy-3-methylbutan-2-one gives 3-aryl-4-methylene-1,3-oxazolidin-2-ones.
Sebti, Said,Foucaud, Andre
p. 790 - 796
(2007/10/02)
Eine einfache Synthese von 3H-Indolen ausgehend von acetylenischen Alkoholen
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Laas, Harald,Nissen, Axel,Nuerrenbach, Axel
p. 958 - 959
(2007/10/02)
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