Abstract
2,6-Dimethylphenol is converted to its p-thiomethoxymethyl derivative on reaction with N,N′-dicyclohexylcarbodiimide and dimethyl sulfoxide in a moderately acidic medium. Similar treatment of ortho-unsubstituted phenols affords small amounts of products containing the 5,6-benzo-1,3-oxathian ring system in addition to the normal products described in the preceding paper. 1 Studies designed to elucidate the mechanisms of these transformations are described along with a second oxathian ring synthesis.
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