Members of thieno[2,3-b]thiophenes were oxidized using the HOF center dot CH(3)CN complex, transforming the sulfur atom to the corresponding sulfonyl group in high yield and under very mild conditions.
Members of thieno[2,3-b]thiophenes were oxidized using the HOF center dot CH(3)CN complex, transforming the sulfur atom to the corresponding sulfonyl group in high yield and under very mild conditions.