ChemInform Abstract: Intermolecular Amination of Allyl Alcohols with Sulfamates: Effective Utilization of Mercuric Catalyst.

Yamamoto, Hirofumi; Ho, Elisabeth; Sasaki, Ikuo; Mitsutake, Mizuho; Takagi, Yuichi; Imagawa, Hiroshi; Nishizawa, Masatoyo

doi:10.1002/chin.201135046

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Hg(otf) 2 -Catalyzed Intermolecular Sulfonamidation1

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“…the presence of 2 mol% Hg(OTf) 2 in CH 2 Cl 2 at room temperature for 2 h afforded 3-N-tosylanilino-1-cyclohexene (156) in 95% yield (Scheme 16). 53 Although the yield is not optimized, the procedure is applicable to a wide variety of substrates. This reaction constitutes the first intermolecular Hg(OTf) 2 -catalyzed reaction to be described.…”

Section: Hg(otf) 2 -Catalyzed Intermolecular Sulfonamidationmentioning

confidence: 99%

A new catalyst for organic synthesis: mercuric triflate

2010

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Herein, we describe Hg(OTf)(2) as a new catalytic system for organic synthesis, which can achieve the hydration of alkynes, C-C bond forming cyclizations, heterocycle synthesis and cyclization initiated by allylic alcohols at very high catalytic turnovers under mild conditions. The first solid-supported mercuric salt, silaphenylmercuric triflate, was also developed and found to act as a powerful catalyst for most Hg(OTf)(2)-catalyzed reactions.

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Section: Hg(otf) 2 -Catalyzed Intermolecular Sulfonamidationmentioning

confidence: 99%