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Corrigendum to “Enantioselective [2,3]-sigmatropic and [1,2]-Stevens rearrangements via intramolecular formation of allylic oxonium ylides catalyzed by chiral dirhodium(II) carboxylates”: [Tetrahedron Letters 42 (2001) 6361]

✍ Scribed by Shinji Kitagaki; Yoshimasa Yanamoto; Hideyuki Tsutsui; Masahiro Anada; Makoto Nakajima; Shunichi Hashimoto

Publisher: Elsevier Science
Year: 2001
Tongue: French
Weight: 27 KB
Volume: 42
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)01553-2

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✦ Synopsis

In this paper, the authors describe the tandem oxonium ylide formation and [2,3]-sigmatropic rearrangement from 1b using Rh 2 (R-DDBNP) 4 (up to 62% ee).

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Enantioselective [2,3]-sigmatropic and [

Enantioselective [2,3]-sigmatropic and [1,2]-Stevens rearrangements via intramolecular formation of allylic oxonium ylides catalyzed by chiral dirhodium(II) carboxylates

✍ Shinji Kitagaki; Yoshimasa Yanamoto; Hideyuki Tsutsui; Masahiro Anada; Makoto Na 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 79 KB

Tandem intramolecular generation and rearrangement of allylic oxonium ylides from a-diazo b-keto esters has been effected with the aid of dirhodium(II) tetrakis[N-phthaloyl-(S)-tert-leucinate] in toluene, providing benzofuran-3-ones via [2,3]-sigmatropic rearrangement in up to 76% ee. In systems wit

ChemInform Abstract: Enantioselective [2

ChemInform Abstract: Enantioselective [2,3]-Sigmatropic and [1,2]-Stevens Rearrangements via Intramolecular Formation of Allylic Oxonium Ylides Catalyzed by Chiral Dirhodium(II) Carboxylates.

✍ Shinji Kitagaki; Yoshimasa Yanamoto; Hideyuki Tsutsui; Masahiro Anada; Makoto Na 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB 👁 1 views