chitinase (OfChi-h) from Ostrinia furnacalis (Asian corn borer) in this work, except for previously reported OfChtI. Novel piperonyl-tethered rhodaninederivatives 7a–j were rationally designed with piperine as lead and synthesized by introducing a unique rhodanine moiety into the piperine scaffold based on the similar binding cavity of OfChtI and OfChi-h. Compared to piperine, compounds 7a–j showed approximately
Tandem Oxidation-Dehydrogenation of (Hetero)Arylated Primary Alcohols via Perruthenate Catalysis
作者:Christian J. Bettencourt、Sharon Chow、Peter W. Moore、Christopher D. G. Read、Yanxiao Jiao、Jan Peter Bakker、Sheng Zhao、Paul V. Bernhardt、Craig M. Williams
DOI:10.1071/ch21137
日期:——
Tandem oxidative-dehydrogenation of primary alcohols to give α,β-unsaturated aldehydes in one pot are rare transformations in organic synthesis, with only two methods currently available. Reported herein is a novel method using the bench-stable salt methyltriphenylphosphonium perruthenate (MTP3), and a new co-oxidant NEMO·PF6 (NEMO = N-ethyl-N-hydroxymorpholinium) which provides unsaturated aldehydes