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Oxathiole derivativesR 0250 A Clean, Facile, and Stereospecific Synthesis of α-Oxoketene O,S-Acetals in Wa-

ter. — Based on the three-component reaction of 1,3-dicarbonyl compounds, CS2 and 2-bromoethanol, a simple procedure for the stereospecific synthesis of the target com-pounds is developed. — (LI, Y.; ZHANG*, Q.; CHENG, X.; LIU, Q.; XU, X.; Synthesis 2009, 5, 824-828; Dep. Chem., Northeast Norm. Univ., Changchun 130024, Peop. Rep. China; Eng.) — Mais

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