ChemicalBook CAS DataBase List Tetraphenylsilane

Tetraphenylsilane synthesis

11synthesis methods

Product Name:Tetraphenylsilane
CAS Number:1048-08-4
Molecular formula:C24H20Si
Molecular Weight:336.5

Tetraphenylsilane (TPSi) can be obtained by reaction of phenylmagnesium bromide with tetrachlorosilane or by reaction of phenyllithium with alkoxysilanes.

108-86-1 Synthesis

108-86-1
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$10.00/5g

76-86-8
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$17.00/5g

1048-08-4
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$19.00/250mg

Yield:1048-08-4 88%

Reaction Conditions:

with n-butyllithium in tetrahydrofuran;hexane at -90;Inert atmosphere;

Steps:

5 Example 5:

Under the full protection of nitrogen, add 400ml of tetrahydrofuran and 50g of bromobenzene into the 1000ml reactor, and cool down to -90°C after fully dissolving,Then, 121 ml of n-butyllithium (n-butyllithium is a 2.5mol/L n-hexane solution) was added dropwise at -90°C. The tetrahydrofuran solution of phenylchlorosilane (98.6g of triphenylchlorosilane was dissolved in 300ml of tetrahydrofuran), after the dropwise addition was completed, the temperature was naturally raised to room temperature, poured into 2000ml of water and stirred for 1 hour. Wash with 220ml toluene at 80°C for 1 hour, then cool down to 25°C with suction filtration to obtain fine products4-Bromotetraphenylsilane 94.1 g, HPLC=99.4%, yield 88%.

References:

CN114213444,2022,A Location in patent:Paragraph 0028; 0062-0063