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Synlett 1999; 1999(12): 1960-1962
DOI: 10.1055/s-1999-3000
DOI: 10.1055/s-1999-3000
letter
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Deprotection of Acetals and Silyl Ethers Using a Polymer-Supported π-Acid Catalyst: Chemoselectivity and Polymer Effect
Further Information
Publication History
Publication Date:
31 December 1999 (online)
![](https://www.thieme-connect.de/media/synlett/199912/lookinside/thumbnails/10.1055-s-1999-3000-1.jpg)
A polymeric dicyanoketene acetal (DCKA), prepared from a styrene monomer bearing dicyanoketene acetal functionality, was found to be an effective and recyclable catalyst in the chemoselective deprotection of acetals and silyl ethers. A remarkable acceleration accountable for the polymer effect was observed.
polymeric π-acid catalyst - chemoselective deprotection - acetal - silyl ether - polymer effect