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. 2020 Sep 8;11(37):10236–10242. doi: 10.1039/d0sc01576h

Substrate scope of 9-BBN- and R3Sn-alkynes in [2 + 2 + 1] pyrrole synthesis.

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a

Conc. = 0.2 M.

b

Conc. = 0.8 M.

c

Yield determined by NMR.

d

Selectivity with respect to all possible pyrrole products.

e

Other regioisomers cannot be quantified due to their low yield.