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Synlett 1999; 1999(3): 357-359
DOI: 10.1055/s-1999-2617
DOI: 10.1055/s-1999-2617
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Selective Deprotection of Triethylsilyl Group in the Presence of t-Butyldimethylsilyl Group with MCM-41/MeOH Heterogeneous System
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Publication History
Publication Date:
31 December 1999 (online)
![](https://www.thieme-connect.de/media/synlett/199903/lookinside/thumbnails/10.1055-s-1999-2617-1.jpg)
Triethylsilyl (TES) group of silyl ethers of several types is selectively and easily removed in the presence of t-butyldimethylsilyl group (TBS) with a mesoporous silica MCM-41/MeOH heterogeneous system. Comparison of the efficiency was carried out among several solvents, and among such promoters as common zeolites and ion-exchange resins.
selective deprotection - triethylsilyl - t-butyldimethylsilyl - MCM-41 - heterogeneous