Heterolytic reactions of pentaphenylprosphorus and pentaphenylantimony

Razuvaev, G. A.; Osanova, N. A.; Grigor'eva, I. K.

doi:10.1007/bf00906624

Cited by 1 publication

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“…Несколько позже было показано, что пентафенилфосфор охотно отщепляет в мягких условиях один фенильный лиганд при действии фенола, при этом с высоким выходом образуется феноксид тетрафенилфосфора (2) [3].…”

Section: Ph 5 P + Hx Ph 4 Px + Phhunclassified

“…По данным РСА, в пентаядерном анионе четырехкоординированные атомы серебра связаны друг с другом посредством терминальных, а также μ 2 -и μ 4 -мостиковых атомов брома (рис. 25).Центральной частью аниона является группа атомов Ag3 Br 3 , слева и справа от которой расположены фрагменты AgBr 3 , в которых присутствуют как мостиковые атомы Br(2,4) (расстояния Ag-Br-μ 2 2,5462(13)-2,7474(13) Å), так и терминальные Br(1) (Ag-Br 2,5894(14) Å) атомы. Длины связей Ag-Br с четырехкоординированным μ 4 -Br(3) атомом брома имеют максимальные значения и варьируются в интервале 2,6980(13)-2,9355(13) Å.Таким образом, на примере взаимодействия галогенидов фосфония с галогенидами серебра показано, что дизайн Ag,Hal-содержащего аниона определяется как природой исходной фосфониевой соли и растворителя, так и мольным соотношением реагентов, при этом в ДМСО чаще всего наблюдается образование комплексных соединений с анионами [Ag2 Hal 4 ] 2 .…”

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Synthesis and Structure of Aryl Phosphorus Compounds

Zykova¹

2020

Chem

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Based on an analysis of the literature published from the late 20th century to the beginning of the 21st century, methods for the synthesis of some complex tetraorganylphosphonium salts are systematized and described, along with the features of the chemical transformations of pentaphenylphosphorus, which was first obtained in 1953. The tetraorganylphosphonium salts were known much earlier, however, the features of the synthesis of transition metal complexes, which are usually obtained from tetraorganylphosphorus halides and metal halides, have not been sufficiently studied. The present review is devoted to the discussion of these topics, since the famous Wittig Reaction is associated with aryl phosphorus compounds, which allows synthesizing alkenes of a given structure, and derivatives of transition metals rightfully occupy a special place among catalysts of various chemical processes. The continuation of these classical studies in the field of chemistry of organoelemental compounds takes place at one of the leading universities in Russia - South Ural State University in the laboratory of chemistry of organoelemental compounds at the Faculty of Chemistry. This article aims at familiarizing the reader with the achievements of Professor V.V. Sharutin and his students in the field of organophosphorus compounds. The main attention is paid to the reactions of pentaphenylphosphorus and its derivatives, as well as methods for the synthesis of ionic complexes of silver, gold, copper, titanium, zirconium, hafnium, ruthenium, osmium, cobalt, rhodium, iridium, palladium and platinum with tetraorganylphosphonium cations. The structural features of the described compounds and the possibility of using transition metal complexes in some catalytic reactions are described.

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Section: Ph 5 P + Hx Ph 4 Px + Phhunclassified

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Synthesis and Structure of Aryl Phosphorus Compounds

Zykova¹

2020

Chem

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Heterolytic reactions of pentaphenylprosphorus and pentaphenylantimony

Cited by 1 publication

References 6 publications

Synthesis and Structure of Aryl Phosphorus Compounds

Synthesis and Structure of Aryl Phosphorus Compounds

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