Triphenylsilane
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Triphenylsilane 속성
- 녹는점
- 43-45 °C (lit.)
- 끓는 점
- 152 °C/2 mmHg (lit.)
- 굴절률
- 1.6160
- 인화점
- 169 °F
- 저장 조건
- Inert atmosphere,2-8°C
- 용해도
- 대부분의 유기용매를 용해시킵니다.
- 물리적 상태
- 가루
- 색상
- 회백색
- 수용성
- 물과 반응
- 감도
- Air Sensitive
- Hydrolytic Sensitivity
- 3: reacts with aqueous base
- BRN
- 978182
- InChIKey
- AKQNYQDSIDKVJZ-UHFFFAOYSA-N
- CAS 데이터베이스
- 789-25-3(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
Triphenylsilane C화학적 특성, 용도, 생산
화학적 성질
Triphenylsilane is an off-white solid that is soluble in most organic solvents. It is used in certain cases for the preparation of triphenylsilyl ethers, which serve as alcohol-protecting groups. The triphenylsilyl group is considerably more stable (about 400 times) than the TMS group toward acidic hydrolysis.제조 방법
Triphenylsilane can be synthesized by reducing phenylsilane (PhSiH3) with a reducing agent such as lithium aluminum hydride (LiAlH4). The overall reaction equation is as follows:3 PhSiH3 + 2 LiAlH4 → C18H16Si + 2 LiH + 2 AlH3
This reaction is typically carried out in anhydrous conditions and under inert gas atmosphere.
주요 응용
More effective radical-based reagent for reduction of organic halides than the trialkylsilanes.Compares well with tri-n-butyltin hydride in reduction of enones to ketones.
Shows good selectivity in the reduction of cyclic hemiacetals.
Converts O-acetyl furanoses and pyranoses to deoxy sugars.
Hexaphenyldisiloxane can be conveniently made by the action of aqueous alkali on triphenylsilane, Ph3SiH.
Tristriphenylsilylbismuth, (Ph3Si)3Bi, is made similarly from triethylbismuth and triphenylsilane: Et3Bi+3Ph3SiH==Heat==(Ph3Si)3Bi+3EtH.
Purification Methods
Purify it by recrystallisation from MeOH. [Gilman & Zuech J Am Chem Soc 81 5925 1959, Westermark Acta Chem Scand 9 947 1955, IR: Kaplan J Am Chem Soc 76 5880 1954, Beilstein 16 II 605, 16 III 1199, 16 IV 1369.]Triphenylsilane 준비 용품 및 원자재
원자재
준비 용품
Triphenylsilane 공급 업체
글로벌( 227)공급 업체
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