Structural studies of β-turn-containing peptide catalysts for atroposelective quinazolinone bromination
作者:A. J. Metrano、N. C. Abascal、B. Q. Mercado、E. K. Paulson、S. J. Miller
DOI:10.1039/c6cc01428c
日期:——
X-Ray crystallography and NMR spectroscopy were used to investigate the effect of primary structure on both secondary structure and enantioselectivity in peptide-based catalysts for an atroposelective bromination reaction.
Efficient Synthesis of <i>O</i>-Succinimidyl-(<i>tert</i>-Butoxycarbonylamino)methyl Carbamates Derived from α-Amino Acids Accelerated by Ultrasound: Application to the Synthesis of Ureidodipeptides
作者:Vommina V. Sureshbabu、Naremaddepalli S. Sudarshan、Kantharaju
DOI:10.1080/00397910802026386
日期:2008.6.20
The synthesis of O-succinimidyl-(tert-butoxycarbonylamino)methyl carbamates employing isocyanates made through the Curtius rearrangement of Boc-amino acid azides in the presence of N-hydroxysuccinimide under the influence of ultrasound is described.