4-[(Trimethylsilyl)ethynyl]benzaldehyde

4-[(Trimethylsilyl)ethynyl]benzaldehyde can be synthesized by reacting 4-bromobenzaldehyde and triphenylphosphine in anhydrous triethylamine with ethynyltrimethylsilane and then with palladium(II) acetate under argon. It can also be prepared by Sonogashira coupling reaction between 4-bromobenzaldehyde and (trimethylsilyl) ethynyl.

Catalog Number CBB1118487
Molecular Formula (CH3)3SiC≡CC6H4CHO
CAS# 77123-57-0
Purity >97%
Inchi 1S/C12H14OSi/c1-14(2,3)9-8-11-4-6-12(10-13)7-5-11/h4-7,10H,1-3H3
Inchi Key UZQDUXAJFTWMDT-UHFFFAOYSA-N
SMILES C[Si](C)(C)C#Cc1ccc(C=O)cc1
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