One-step synthesis of 2,3-dihydronaphtho[2,3-b]thiophene-4,9-diones by a new regioselective [3 + 2] photoaddition of photogenerated 2-mercapto-1,4-naphthoquinone with alkenes
One-step synthesis of 2,3-dihydronaphtho[2,3-b]thiophene-4,9-diones by a new regioselective [3 + 2] photoaddition of photogenerated 2-mercapto-1,4-naphthoquinone with alkenes