Experimental and computational studies on H<sub>2</sub>O-promoted, Rh-catalyzed transient-ligand-free <i>ortho</i>-C(sp<sup>2</sup>)–H amidation of benzaldehydes with dioxazolones
We develop an efficient and convenient ligand-free, rhodium-catalyzed ortho-C(sp2)–H amidation of benzaldehydes with dioxazolones using H2O as the key promoter.
Quantitative chirality sensing of amines and amino alcohols via Schiff base formation with a stereodynamic UV/CD probe
作者:Zeus A. De los Santos、Ransheng Ding、Christian Wolf
DOI:10.1039/c5ob02529j
日期:——
A stereodynamic chemosensor that can be used for simultaneous determination of the absolute configuration, enantiomeric composition and total concentration of chiral amines and amino alcohols based on two fast optical measurements was prepared and tested. The free sensor is CD-silent and produces characteristic blue-shifted UV and CD signals upon substrate binding via Schiff base formation. The potential