Fig. 1: The reactions of sulfur nucleophiles and diazo carbonyl compounds.

a The design of new AIEgens. b Three classical rearrangement reactions via sulfur ylide. c 1,4-acyl transfer strategy of diazoketone and thioester. TPE: 1,1,2,2-tetraphenylethylene, BTBT: benzthieno[3,2-b]benzothiophene; TVS: tetrasubstituted vinyl sulfides.