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. Author manuscript; available in PMC: 2014 Sep 20.
Published in final edited form as: J Org Chem. 2013 Sep 3;78(18):10.1021/jo401635c. doi: 10.1021/jo401635c

Table 7.

Iodination and Benzannulation of Terminal Ynamides 71–73

graphic file with name nihms522467t7.jpg
entry R ynamide aniline yield (%)a
1 PMB 71 74 59–77
2 allyl 72 75 41–49
3b 2-furfuryl 73 76 49
a

Overall two-step isolated yield of products purified by column chromatography.

b

KHMDS is used in place of n-BuLi in the first step.