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. Author manuscript; available in PMC: 2019 May 9.
Published in final edited form as: J Am Chem Soc. 2018 May 31;140(23):7267–7281. doi: 10.1021/jacs.8b03546

Table 3.

Product Distribution of Pyrrole Formation with Various Unsymmetric Alkynesa

graphic file with name nihms-1021569-t0020.jpg
H, nBu 0.13 1 0.13
H, tBu 0 1 0
H, Ph 0 1 0.25
Me, Ph 0.45 1 0.91
a

Taken from ref 6. Copyright 2015 Nature Publishing Group.