ChemInform Abstract: PREPARATION OF PHENYLTRICHLOROGERMANE, ‐STANNANE AND SOME OF THEIR DERIVATIVES WITH SUBSTITUENTS IN THE AROMATIC RING

Motsarev, G. V.; Chernyshev, E. A.; Rozenberg, V. R.; Inshakova, V. T.; Zetkin, V.I.

doi:10.1002/chin.198342291

Chemischer Informationsdienst

1983

DOI: 10.1002/chin.198342291

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ChemInform Abstract: PREPARATION OF PHENYLTRICHLOROGERMANE, ‐STANNANE AND SOME OF THEIR DERIVATIVES WITH SUBSTITUENTS IN THE AROMATIC RING

G. V. Motsarev¹,

E. A. Chernyshev²,

V. R. Rozenberg³

et al.

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2005

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“…More recently this reaction was studied in detail on an example of chloro(methyl)(phenyl)silanes [2,3], but, like in [1], it was performed in the presence of 303 40 wt % of aluminum chloride. Proceeding with this research, we studied in the present work the effect of the quantity of aluminum chloride on the direction and depth of reaction of germanium tetrachloride with chloro(phenyl)silanes Ph n SiCl 4 !n (n = 133), as well as the possibility of radical exchange not only in the presence aluminum chloride, but also in the presence of other metal halides possessing Lewis acid properties (Table 1).…”

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Reaction of Germanium Tetrachloride with Chloro(phenyl)silanes in the Presence of Aluminum Chloride

2005

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The effect of the quantity of aluminum chloride on the direction and depth of reaction of germanium tetrachloride with chloro(phenyl)silanes of the general formula Ph n SiCl 4 !n (n = 133) was studied to show that radical exchange between germanium and silicon is initiated only if the mixture contains no less than 2.535 wt % of aluminum chloride. With trichloro(phenyl)silane, the radical exchange is initiated at 5 wt % of aluminum chloride and results in exclusive formation of trichloro(phenyl)germane. The reactions of GeCl 4 with dichlorodiphenylsilane and chlorotriphenylsilane in the presence of 2.537.5 wt % of aluminum chloride give dichlorodiphenylgermane as the major product, and at AlCl 3 concentrations of above 10 wt % the major product becomes to be trichloro(phenyl)germane.We previously observed exchange of phenyl radicals for chlorine in a mixture of dichloro(methyl)-(phenyl)silane and germanium chloride, heated in the presence of 30340 wt % of aluminum chloride [1]. More recently this reaction was studied in detail on an example of chloro(methyl)(phenyl)silanes [2, 3], but, like in [1], it was performed in the presence of 303 40 wt % of aluminum chloride. Proceeding with this research, we studied in the present work the effect of the quantity of aluminum chloride on the direction and depth of reaction of germanium tetrachloride with chloro(phenyl)silanes Ph n SiCl 4 !n (n = 133), as well as the possibility of radical exchange not only in the presence aluminum chloride, but also in the presence of other metal halides possessing Lewis acid properties (Table 1).It was found that no reaction occurred in the presence of antimony trichloride, tin tetrachloride, or titanium tetrachloride, whereas the reaction with chloro(phenyl)silanes in the presence of boron trifluoride etherate gave fluoro(phenyl)silanes.At the same time, chlorine at germanium in GeCl 4 exchanged for phenyl at silicon as the concentration of AlCl 3 was decreased to 5 wt % in the reaction with trichloro(phenyl)silane and to 2.5 wt % in the reactions with dichloro(phenyl)-and chlorotriphenylsilanes. The reaction with trichloro(phenyl)silane resulted in exclusive formation of trichloro(phenyl)-germane.

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Reaction of Germanium Tetrachloride with Chloro(phenyl)silanes in the Presence of Aluminum Chloride

2005

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ChemInform Abstract: PREPARATION OF PHENYLTRICHLOROGERMANE, ‐STANNANE AND SOME OF THEIR DERIVATIVES WITH SUBSTITUENTS IN THE AROMATIC RING

Cited by 1 publication

References 0 publications

Reaction of Germanium Tetrachloride with Chloro(phenyl)silanes in the Presence of Aluminum Chloride

Reaction of Germanium Tetrachloride with Chloro(phenyl)silanes in the Presence of Aluminum Chloride

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