Benzothiophene
SMARTS: [*;Br,I;$(*c1ccccc1)]-[c:1]:[c:2]-[SD2:3]-[CH3].[CH1:5]#[C;$(C-[#6]):4]>>[c:1]1:[c:2]-[S:3]-[C:4]=[C:5]-1
Conditions
Reactant 1: bromide and iodide allowed.
Reactant 2: alkyne.
R1: ar, alkyl.
References
D. P. Hari, T. Hering, B. König, Org. Lett., 2012, 14, 5334-5337
Other sources
Organic chemistry