在 Cp2ZrCl2-EtMgBr 系统催化下取代的 1- 烷炔基膦与 Et2Zn 的反应

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Russian Chemical Bulletin Pub Date : 2024-08-31 DOI:10.1007/s11172-024-4307-6

A. M. Gabdullin, R. N. Kadikova, O. S. Mozgovoj, I. R. Ramazanov

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引用次数: 0

摘要

在催化剂 Cp2ZrCl2 和 EtMgBr 的存在下，1-烯基膦与 Et2Zn 发生区域和立体选择性反应，生成 (1Z)- 烯基膦。用过氧化氢或元素硫水溶液对合成的 1-烯基膦进行氧化和磺化，可分别得到 (1Z)- 烯基膦氧化物和 (1Z)- 烯基膦硫化物。提出了 Zr-Mg 催化 1-烯基膦的 2-锌乙基锌化反应的合理方案。

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Reactions of substituted 1-alkynylphosphines with Et2Zn catalyzed by the Cp2ZrCl2—EtMgBr system

The reactions of 1-alkynylphosphines with Et₂Zn in the presence of catalytic amounts of Cp₂ZrCl₂ and EtMgBr proceed regio- and stereoselectively to afford (1Z)-alkenylphosphines. The oxidation and sulfonation of synthesized 1-alkenylphosphines with an aqueous solution of hydrogen peroxide or elemental sulfur give (1Z)-alkenylphosphine oxides and (1Z)-alkenylphosphine sulfides, respectively. A plausible scheme for the Zr—Mg-catalyzed 2-zincoethylzincation of 1-alkynylphosphines was proposed.

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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.