Tandem Thien- and Benzannulations of α-Alkenoyl-α-Alkynyl Ketene Dithioacetals with Cyanoacetates: Synthesis of Functionalized Benzo[b]thiophenes.

2015

A novel domino annulation strategy for the construction of benzo[b]thiophenes is presented which occurs in the presence of Cs2CO3 and Ag2CO3.

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