LEWIS ACID-MEDIATED RING EXPANSION REACTION OF BENZObCYCLOPROPAePYRAN-7-OL ACETATES:FACILE SYNTHESIS OF 2-ALKYL SUBSTITUTED 2,3-DIHYDRO-1-BENZOXEPINS

Sugita Yoshiaki; Hosoya Hirioki; Yoko Ichiro

首页> 外文期刊>Heterocycles: An International Journal for Reviews and Communications in Heterocyclic Chemistry >LEWIS ACID-MEDIATED RING EXPANSION REACTION OF BENZObCYCLOPROPAePYRAN-7-OL ACETATES:FACILE SYNTHESIS OF 2-ALKYL SUBSTITUTED 2,3-DIHYDRO-1-BENZOXEPINS

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LEWIS ACID-MEDIATED RING EXPANSION REACTION OF BENZObCYCLOPROPAePYRAN-7-OL ACETATES:FACILE SYNTHESIS OF 2-ALKYL SUBSTITUTED 2,3-DIHYDRO-1-BENZOXEPINS

机译：苯并b环丙并E吡喃-7-醇乙酸的刘易斯酸介导的扩环反应：2-烷基取代的2,3-二氢-1-苯并氧杂卓的简易合成

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摘要

In the presence of trimethylsilyl trifluoromethanesulfonate (TMSOTf),benzobcyclopropaepyran-7-ol acetates easily reacted with silyl enol ethers to give 2-alkyl substituted 2,3,-dihydro-1-benzoxepin derivatives in good yields.

机译：在三甲基硅烷基三氟甲磺酸酯（TMSOTf）存在下，苯并[b]环丙并[e]吡喃-7-醇乙酸酯易与甲硅烷基烯醇醚反应，得到2-烷基取代的2,3，-二氢-1-苯并氧杂卓衍生物，收率高。

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来源
《Heterocycles: An International Journal for Reviews and Communications in Heterocyclic Chemistry》 |2000年第6期|1251-1254|共4页
作者
Sugita Yoshiaki; Hosoya Hirioki; Yoko Ichiro;
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正文语种英语
中图分类杂环化合物;
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1. ChemInform Abstract: Lewis Acid Mediated Ring Expansion Reaction of Benzobcyclopropaepyran‐7‐ol Acetates: Facile Synthesis of 2‐Alkyl Substituted 2,3‐Dihydro‐1‐benzoxepins. [J] . Yoshiaki Sugita, Hiroki Hosoya, Ichiro Yokoe Chem Inform . 2000,第38期

机译：ChemInform Abstract: Lewis Acid Mediated Ring Expansion Reaction of Benzobcyclopropaepyran‐7‐ol Acetates: Facile Synthesis of 2‐Alkyl Substituted 2,3‐Dihydro‐1‐benzoxepins.
2. ChemInform Abstract: Lewis Acid Assisted Reactions of N‐(α‐Aminoalkyl)benzotriazoles and Unactivated Alkenes for the Facile Synthesis of 4‐, 2,4‐, and 3,4‐Substituted 1,2,3,4‐Tetrahydroquinolines. [J] . A. R. KATRITZKY, D. A. NICHOLS, M. QIB. YANG Chem Inform . 1998,第2期

机译：ChemInform Abstract: Lewis Acid Assisted Reactions of N‐(α‐Aminoalkyl)benzotriazoles and Unactivated Alkenes for the Facile Synthesis of 4‐, 2,4‐, and 3,4‐Substituted 1,2,3,4‐Tetrahydroquinolines.
3. ChemInform Abstract: Facile, Novel Methodology for the Synthesis of Spiropyrrolidin‐3,3′‐oxindoles: Catalyzed Ring Expansion Reactions of Cyclopropanes by Aldimines. [J] . Phil B. Alper, Christiane Meyers, Andreas LerchnerDionicio R. SiegelErick M. Carreira Chem Inform . 2000,第5期

机译：ChemInform Abstract: Facile, Novel Methodology for the Synthesis of Spiropyrrolidin‐3,3′‐oxindoles: Catalyzed Ring Expansion Reactions of Cyclopropanes by Aldimines.

LEWIS ACID-MEDIATED RING EXPANSION REACTION OF BENZObCYCLOPROPAePYRAN-7-OL ACETATES:FACILE SYNTHESIS OF 2-ALKYL SUBSTITUTED 2,3-DIHYDRO-1-BENZOXEPINS

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