Pentafluorophenyl esters for temporary c
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Morten Meldal; Klaus Book
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Article
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1990
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Elsevier Science
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French
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The compound A~GlcNACgl-NH-Fmoc (3) was eynthesixed and transformed into the &gluwsyl amine (1) which was subsequently acylated with Fmoc-Asp(CI)-Gpfp (5) prepared from the readily available Fmoc-Asp@-tBu)-G-pfp (4). The resulting Fmoc-Asn(A~GlcNAcfil-N-)-O-Pfp (6) was used as a buildiug block in th