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Synthesis 1987; 1987(12): 1106-1108
DOI: 10.1055/s-1987-28185
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Preparation of Diphenylmethyl Esters and Ethers of Unprotected Amino Acids and β-Hydroxy-α-amino Acids

Cleanthis Froussios* , Miltiadis Kolovos
  • *Laboratory of Organic Chemistry, Department of Chemistry, University of Athens, 13A Navarinou Street, Gr-10680 Athens, Greece
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Publication Date:
20 August 2002 (online)

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Diphenylmethyl (benzhydryl, Dpm) esters and ethers of amino acids and β-hydroxy-α-amino acids are prepared directly from N-unprotected L-α-amino acids using tris(diphenylmethyl) phosphate as alkylating agent. The novel H-Ser(Dpm)-ODpm and H-Thr(Dpm)-ODpm can be hydrolysed to the corresponding ethers H-Ser(Dpm)-OH and H-Thr(Dpm)-OH.