Synthesis of aryl esters of protected amino acids from aryl sulfonates
Aryl esters of Boc- and Fmoc-protected amino acids derived from electron-deficient phenols have been prepared in good yields from aryl 4- nitrobenzenesulfonates in the presence of 1-hydroxy-benzotriazole as catalyst.
Pudhom, Khanitha,Vilaivan, Tirayut
p. 5939 - 5942
(2007/10/03)
9-Fluorenylmethyl Pentafluorophenyl Carbonate as a Useful Reagent for the Preparation of N-9-Fluorenylmethyloxycarbonylamino Acids and their Pentafluorophenyl Esters
9-Fluorenylmethyl pentafluorophenyl carbonate is a useful reagent for the efficient, side reaction-free introduction of N-9-fluorenylmethyloxycarbonyl protecting group into amino acids and for the subsequent preparation of their pentafluorophenyl esters.Some new compounds of both types are described.
Schoen, Istvan,Kisfaludy, Lajos
p. 303 - 305
(2007/10/02)
Preparation and Applications of Pentafluorophenyl Esters of 9-Fluorenylmethyloxycarbonyl Amino Acids for Peptide Synthesis
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Kisfaludy, Lajos,Schoen, Istvan
p. 325 - 327
(2007/10/02)
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