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Anodic oxidation of 2-alkyl-2-trialkylsilyl-1, 3-dithianes a facile preparation of acylsilanes

✍ Scribed by Kohji Suda; Jun-ichi Watanabe; Toshikatsu Takanami

Publisher
Elsevier Science
Year
1992
Tongue
French
Weight
128 KB
Volume
33
Category
Article
ISSN
0040-4039

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A mild cleavage of 1,3-diketones: Prepar
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A mild method for cleaving 1,3-diketones is described. The products are 2-acyldithianes and these R-Csynthons can be alkylated under mildly basic conditions. Acetylacetone (1) reacted with propane-1,3-dithio tosylate (2) in methanol to give 2-acetyl-1,3-dithiane + (3) (82%), whose 'H-n.m.r. spectrum