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Synthesis 2000; 2000(1): 69-71
DOI: 10.1055/s-2000-6226
DOI: 10.1055/s-2000-6226
short paper
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved.
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or duplication of any kind, translating, preparation of microfilms, and electronic
data processing and storage.A Mild and Efficient Method for the Preparation of 1,3-Dithianes from Aldehydes and Ketones
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
A mild method for the preparation of 1,3-dithianes from aldehydes and ketones is described. By using lithium perchlorate as Lewis acid and propane-1,3-dithiol even highly acid-labile β-hydroxy aldehydes can be transformed into the corresponding thioacetals. The desired products were obtained in 41-98% yield.
1,3-dithianes - lithium perchlorate - aldehydes - ketones - Lewis acid - thiols - deprotection - sulfur