CAS 17937-85-8 | 4,4'-Bis-Dimethylsilyl-Biphenyl
Molecular Formula: C16H22Si2
Molecular Weight: 270.52
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Specification of CAS 17937-85-8 | 4,4'-Bis-Dimethylsilyl-Biphenyl
ITEMS | SPECIFICATION |
Boiling point | 158~160°C |
Specific Gravity | 0.982 |
Hydrolytic Sensitivity | 3 |
refractive index | 1.5735 |
Synthesis of CAS 17937-85-8 | 4,4'-Bis-Dimethylsilyl-Biphenyl
Conditions
Stage #1: 4-(4-bromophenyl)bromobenzene With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In diethyl ether; hexane at -78 - 20℃;
Stage #2: dimethylmonochlorosilane In diethyl ether; hexane at -78 - 20℃;
Reference
Zhao, Zujin; Jiang, Tao; Guo, Yanju; Ding, Liyuan; He, Bairong; Chang, Zhengfeng; Lam, Jacky W. Y.; (…) Qiu, Huayu; Tang, Ben Zhong
[Journal of Polymer Science, Part A: Polymer Chemistry, 2012, vol. 50, # 11, p. 2265 - 2274]
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