Simple and efficient Fmoc removal in ionic liquid?
RSC Advances Pub Date: 2017-07-21 DOI: 10.1039/C7RA04425A
Abstract
A mild method for an efficient removal of the fluorenylmethoxycarbonyl (Fmoc) group in ionic liquid was developed. The combination of a weak base such as triethylamine and [Bmim][BF4] makes the entire system more efficient for the cleavage at room temperature of various amines and amino acid methyl esters in short reaction times. The procedure works well even in the case of N-Fmoc amino acids bearing acid-sensitive protecting groups and of N-alkylated amino acid methyl esters. The solvent-free condition provides a complementary method for Fmoc deprotection in solution phase peptide synthesis and modern organic synthesis.
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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