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Synthesis 2001; 2001(4): 0573-0576
DOI: 10.1055/s-2001-12356
DOI: 10.1055/s-2001-12356
paper
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Dimsyl Anion Induced Demethylation and Fragmentation Reactions of α-Oxoketenedithioacetals
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2001 (online)
![](https://www.thieme-connect.de/media/synthesis/200104/lookinside/thumbnails/10.1055-s-2001-12356-1.jpg)
Base induced S-demethylation of dimethyl α-oxoketenedithioacetals with dimsyl sodium gave methyl β-oxodithiocarboxylates in good yields while cyclic ketenedithioacetals having a 1,3-dithiolane moiety underwent a fragmentation reaction leading to vinyl β-oxodithiocarboxylates.
ketenedithioacetals - fragmentation reactions - dimsyl sodium - dithiocarboxylates - ring opening - demethylation - sulfur - thioesters