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ChemInform Abstract: Highly Stereoselective Hetero Diels-Alder Reactions of Chiral 3-(p- Tolylsulfinyl)-2-furaldehyde with Danishefsky′s Diene Promoted by a Lanthanoid Lewis Acid.

✍ Scribed by Y. ARAI; T. MASUDA; Y. MASAKI; M. SHIRO

Book ID: 112036645
Publisher: John Wiley and Sons
Year: 2010
Weight: 30 KB
Volume: 27
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199635135

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📜 SIMILAR VOLUMES

Highly stereoselective hetero Diels-Alde

Highly stereoselective hetero Diels-Alder reactions of chiral 3-(p-tolylsulfinyl)-2-furaldehyde with Danishefsky's diene promoted by a lanthanoid Lewis acid

✍ Yoshitsugu Arai; Tsutomu Masuda; Yukio Masaki; Motoo Shiro 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 359 KB

Hetero Diels-Alder reactions of optically active 3-(p-tolylsulfinyl)-2furaldehyde with 1-methoxy-3-(trimethylsilyloxy)-buta-l,3-diene (Danishefsky's diene) in the presence of a Lewis acid has been examined. The reaction in the presence of 1.0 equiv, of Ln(OTf)3 (Ln = Yb, Nd and Sin) followed by acid

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ChemInform Abstract: A Highly Enantiosel

ChemInform Abstract: A Highly Enantioselective Hetero-Diels—Alder Reaction of Aldehydes with Danishefsky′s Diene Catalyzed by Chiral Titanium(IV) 5,5′,6,6′,7,7′,8,8′-Octahydro-1,1′-bi-2-naphthol Complexes.

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ChemInform Abstract: Lewis Acid Promoted

ChemInform Abstract: Lewis Acid Promoted Hetero [2 + 2] Cycloaddition Reactions of Aldehydes with 10-Propynyl-9(10H)-acridone. A Highly Stereoselective Synthesis of Acrylic Acid Derivatives and 1,3-Dienes Using an Electron Deficient Variant of Ynamine.

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ChemInform Abstract: Uncatalyzed (Therma

ChemInform Abstract: Uncatalyzed (Thermal) and Lewis Acid-Promoted Asymmetric Hetero-Diels- Alder Reaction of 1-Thiabuta-1,3-dienes (Thiochalcones) with Di-(-)- menthyl Fumarate. Configuration Determination by X-Ray Crystallographic Analysis of (2S,3R,4R)-(+)-2,3-Bis((-)- menthoxycarbonyl)-4,6-diphenyl-3,4-dihydro-2H-thiopyran and Conversion of Cycloadducts into Optically Pure Diols.

✍ T. SAITO; H. FUJII; S. HAYASHIBE; T. MATSUSHITA; H. KATO; K. KOBAYASHI 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 35 KB 👁 3 views