tert-Butyldimethylsilyl Chloride
tert-Butyldimethylsilyl Chloride (CAS: 18162-48-6), abbreviated TBDMSCl or TBSCl, is a moisture-sensitive organosilicon reagent supplied as a white crystalline solid. Its sterically hindered silyl group converts hydroxyl functionalities into tert-butyldimethylsilyl ethers, providing temporary protection during multistep organic synthesis. These protecting groups can later be removed under suitable conditions, helping chemists manage selective transformations of alcohols and related substrates. The reagent also serves as a derivatization agent in chromatographic and mass-spectrometric analysis. Protection from moisture is important during both storage and handling of the material.
• Protects hydroxyl groups, especially alcohols, as tert-butyldimethylsilyl ethers during multistep organic synthesis; supplier literature demonstrates selective protection of a primary alcohol.
• Supports synthesis of complex molecules, including reported applications in prostaglandin and ribonucleoside chemistry and pharmaceutical-intermediate preparation.
• Functions as a derivatization reagent for gas chromatography/mass spectrometry, including sample preparation for environmental analysis of bisphenol compounds in wastewater.
• Can serve as a silylating or anion-trapping reagent in organic synthesis, including applications involving reactive organometallic intermediates.
Product Name: tert-Butyldimethylsilyl Chloride
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