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A New Method for the Synthesis of Diphosphine Dioxides with a 1,3-Butadiene Spacer from 1-Phosphinyl-2-arylacetylenes Using the Cp2ZrCl2–EtAlCl2–Mg System
Doklady Chemistry ( IF 0.8 ) Pub Date : 2020-10-01 , DOI: 10.1134/s0012500820100031
I. R. Ramazanov , R. N. Kadikova , A. K. Amirova , U. M. Dzhemilev

The reaction of 1-phosphinyl-2-arylacetylenes with Cp2ZrCl2, Mg, and EtAlCl2 in THF at ambient temperature followed by hydrolysis and subsequent oxidation leads to formation of [(1E,3E)-2,3-diarylbuta-1,3-dien-1,4-diyl]bis(diphenylphosphine oxide) in good yield.

中文翻译:

一种使用 Cp2ZrCl2-EtAlCl2-Mg 系统从 1-膦基-2-芳基乙炔合成带有 1,3-丁二烯间隔基的二氧化膦的新方法

1-膦酰基-2-芳基乙炔与 Cp2ZrCl2、Mg 和 EtAlCl2 在 THF 中在室温下反应,然后水解和随后氧化,形成 [(1E,3E)-2,3-diarylbuta-1,3-dien -1,4-二基]双(二苯基氧化膦),收率良好。
更新日期:2020-10-01
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