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Synlett 2001; 2001(6): 0777-0780
DOI: 10.1055/s-2001-14623
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A New Catch-and-Release Purification Method Using a 4-Azido-3-chlorobenzyl Group

Kenji Egusa* , Shoichi Kusumoto, Koichi Fukase
  • *Department of Chemistry, Graduate School of Science, Osaka University, Machikaneyama 1-1, Toyonaka, Osaka 560-0043, Japan; Fax + 81 6 6850 5419; E-mail: koichi@chem.sci.osaka-u.ac.jp
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Publication Date:
31 December 2001 (online)

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Products that possess 4-azido-3-chlorobenzyl group were selectively isolated from reaction mixtures by using a solid-supported phosphine. Successive treatment with 2,3-dichloro-5,6-dicyanobenzoquinone radily liberated purified products. Application of this method to several oligosaccharide syntheses is described.

azides - combinatorial chemistry - glycosylations - phosphines - polymer-supported synthesis