Interesting differences between the protonated and sodium adducts of pentacoordinated bisaminoacylspirophosphoranes in electrospray ionization mass spectrometry
Continuous Reductive Amination of Biomass-Derived Molecules over Carbonized Filter Paper-Supported FeNi Alloy
作者:Gianpaolo Chieffi、Max Braun、Davide Esposito
DOI:10.1002/cssc.201500804
日期:2015.11
This paper reports the continuousreductiveamination of different molecules, including biomass‐related compounds, over carbon‐supported FeNi nanoparticles obtained on the basis of inexpensive and abundant metal precursors and cellulose. A biorefinery case study for the preparation of pyrrolidones via acid‐catalyzed hydrolysis of glucose followed by reductiveamination of the obtained levulinic acid
Efficient Synthesis of Chiral Binaphthol Aldehyde with Phenyl Ether Linkage for Enantioselective Extraction of Amino Acids
作者:Misun Choi、Moo-Jin Jun、Kwan Mook Kim
DOI:10.1002/bkcs.10354
日期:2015.7
starting from binaphthol‐3‐carboxylicacid. The axially chiral binaphthol ring was racemized during the synthesis due to high temperatures required in O‐phenylation reaction. The enantiomericallypure form of 2 was obtained from the resolution of the diastereomeric imine of 2. Optically pure compound (S)‐2 was applied to the enantioselective liquid–liquid extraction of amino acid between CH2Cl2 and aqueous