Front Cover Picture: Recent Advances in the Synthesis of C2‐Functionalized Pyridines and Quinolines Using <i>N</i>‐Oxide Chemistry (Adv. Synth. Catal. 1/2021)
Dong Wang, Laurent Désaubry, Gaoyu Li, Mindong Huang, Shixin Zheng
Abstract
There is a famous sentence in Tao Te Ching: “The Tao produced one. One produced two. Two produced three. Three produced all things.” In this front cover picture, Tai Chi stands for Tao, and “N” and “O” in the two circles represent N-oxides of this paper. Thunder and lightning stimulate Tai Chi to produce everything, which is represented by the five elements of metal, wood, water, fire, and earth. Therefore, this picture indicates that pyridine N-oxides can produce numerous nitrogen-containing heterocyclic compounds under the action of activating reagent. Details can be found in the Review by Dong Wang and co-workers (D. Wang, L. Désaubry, G. Li, M. Huang, S. Zheng, Adv. Synth. Catal. 2021, 363, 2–39; DOI: 10.1002/adsc.202000910).