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Title: Pentafluorophenyl-(tert-butoxycarbonylamino)methylcarbamates: Synthesis, isolation and application to the synthesis of ureidopeptides
Authors: Sureshbabu, Vommina Venkata
Narendra, N
Keywords: Boc-amino acids;Curtius rearrangement;Ultrasonication;Concomitant synthesis;Pentafluoro phenyl-(tert-butoxycarbonylamino)methylcarbamates;Peptidyl ureas
Issue Date: Jun-2008
Publisher: CSIR
Abstract: The one-pot synthesis of pentafluorophenyl-(tert-butoxycarbonylamino)methyl carbamates starting from N-Boc amino acids is described. Ultrasound mediated concomitant rearrangement and coupling reactions have resulted in the production of good yields of the active methyl carbamates. The carbamates have been employed as monomeric building blocks for the synthesis of dipeptidyl urea esters/acids. All the compounds obtained have been fully characterized by IR, ¹H NMR, ¹³C NMR and mass spectroscopy.
Page(s): 920-926
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.47B(06) [June 2008]

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