在 AlCl3 和 Mg 存在下，通过 Cp2ZrCl2 催化苯乙烯与丁内酯的反应一步合成螺环丙烷融合的四氢呋喃

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Russian Chemical Bulletin Pub Date : 2024-08-31 DOI:10.1007/s11172-024-4306-7

L. K. Dilmukhametova, M. G. Shaibakova, I. R. Ramazanov

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引用次数: 0

摘要

在四氢呋喃中，苯乙烯与丁内酯在各 2 等量 AlCl3 和 Mg 的存在下，并在 10 mol.% 的 Cp2ZrCl2 催化下发生反应，生成相应的 1-苯基-4-氧杂螺[2.4]庚烷，产率为 47-57%。据推测，这些中间体是锆环丙烷衍生物，与库林科维奇试剂类似。

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One-pot synthesis of spirocyclopropane-fused tetrahydrofurans by the Cp2ZrCl2-catalyzed reaction of styrene with butyrolactones in the presence of AlCl3 and Mg

The reaction of styrene with butyrolactones in the presence of 2 equiv. each of AlCl₃ and Mg and catalyzed by 10 mol.% of Cp₂ZrCl₂ in tetrahydrofuran led to the corresponding 1-phenyl-4-oxaspiro[2.4]heptanes in 47–57% yield. Presumably, the intermediates are zirconacyclopropane derivatives, similar to the Kulinkovich reagents.

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来源期刊

Russian Chemical Bulletin 化学-化学综合

CiteScore

2.70

自引率

47.10%

发文量

257

审稿时长

3-8 weeks

期刊介绍： Publishing nearly 500 original articles a year, by leading Scientists from Russia and throughout the world, Russian Chemical Bulletin is a prominent international journal. The coverage of the journal spans practically all areas of fundamental chemical research and is presented in five sections: General and Inorganic Chemistry; Physical Chemistry; Organic Chemistry; Organometallic Chemistry; Chemistry of Natural Compounds and Bioorganic Chemistry.