Indole alkaloid synthesis

Naturalproductman's Blog

Corey Stephenson and colleague at the University of Michigan have reported in JACS on the synthesis of pseudotabersonine. A mental roadblock for me was when I was looking at the paper, I was trying to find the structure of catalyst 5, which was the iridium catalyst used for a ring opening reaction, but just found the number 5 in the scheme. Within the text of the paper however it says Ir(dF(CF3)ppy)2(dtbbpy)PF6, which was cited with a Sigma Aldrich catalog number.

photoredoxJACS paper

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