The present invention relates compounds useful as reagents for the diazomethylation reaction, their preparation and the use thereof as reagents in a method for the diazomethylation reaction of aromatic substrates. It relates in particular to a compound of formula (I) wherein E is an electron withdrawing group.
本发明涉及可用作重氮甲基化反应试剂的化合物、其制备及其在芳香底物重氮甲基化反应方法中作为试剂的用途。本发明尤其涉及式 (I) 的化合物,其中 E 是取电子基团。
Photochromic hydrazone switches
申请人:THE TRUSTEES OF DARTMOUTH COLLEGE
公开号:US11279677B2
公开(公告)日:2022-03-22
Provided herein are compounds for use as photochromic molecular switches having very long thermal isomerization half-lives and switchable fluorescence properties both in solution and the solid state.