The first 2,2-dialkoxythiirane.
[reaction: see text] Thermolysis of 1 at 110 degrees C in benzene containing adamantanethione leads to thiirane 2 in 92% yield, as an isolable, stable solid. Compound 2 is the first example of the hitherto unknown 2,2-dialkoxythiiranes. It shows some reactions characteristic of thiiranes.
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