Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States Department of Sustainable Biomaterials, Virginia Tech, Blacksburg, Virginia 24061, United States ...
THE well-known synthesis of polypeptides from N-carboxy-α-amino-acid anhydrides has been extensively used recently for preparative purposes, but the mechanism of the reaction has received ...
Department of Chemistry & Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 300, Taiwan ...
Furthermore, there was no simultaneous release of CO and CO 2, which confirms the absence of carboxylic anhydride groups on the material surface and corroborates the FT–IR data in solid state.
La - 180 Ta = 18:1 W - 184 - Os - 105 Ir - 197 Pt - 198 Au ... that is, it ads as an anhydride of both acids and bases. In Si02 we have a weak acid anhydride, while the acids formed from P20s ...
Infrared spectroscopy (IR spectroscopy) is an optical technique that detects molecular bond vibrations and rotations upon absorption of infrared light. Because different chemical functional groups ...
Synthesis of the naphthoquinones and semicarbazones derived from lapachol. Compounds 3, 4, and SMC4 demonstrated activity against methicillin-resistant S. aureus. Bacteria are disease-causing ...