A Fluorinated Cobalt(III) Porphyrin Complex for Hydroalkoxylation of Alkynes

Richiro Ushimaru; Takuho Nishimura; Toshiki Iwatsuki; Hiroshi Naka

doi:10.1248/cpb.c17-00568

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A Fluorinated Cobalt(III) Porphyrin Complex for Hydroalkoxylation of Alkynes

Richiro Ushimaru, Takuho Nishimura, Toshiki Iwatsuki, Hiroshi Naka

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Keywords: hydroalkoxylation, acetal, alkyne, alcohol, cobalt, porphyrin

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Supplementary material

2017 Volume 65 Issue 11 Pages 1000-1003

DOI https://doi.org/10.1248/cpb.c17-00568

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Abstract

A fluorinated cobalt(III) porphyrin complex [Co(TPFPP)NTf₂·2C₂H₅OH, where TPFPP=5,10,15,20-tetrakis(pentafluorophenyl)porphyrin, Tf=CF₃SO₂] promotes hydroalkoxylation of alkynes to give acetals in good to excellent yields. The acetals can be directly functionalized with nucleophiles in a one-pot procedure.

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