Difluoromethyl 2-pyridyl sulfone(2-PySO2CF2H, Hu Reagent) is a bench-stable nucleophilic reagent for difluoromethylation and gem-difluoroolefination of aldehydes and ketones, iododifluoromethylation of carbonyl compounds and difluoroalkylation of isocyanates and catalytic difluoromethylation of arylzincs. etc..
Difluoromethyl 2-pyridyl sulfone: a new gem-difluoroolefination reagent for aldehydes and ketones. 
From difluoromethyl 2-pyridyl sulfone to difluorinated sulfonates: a protocol for nucleophilic difluoro(sulfonato)methylation. 
Direct Synthesis of Fluorinated Heteroarylether Bioisosteres. 
Gem-difluoroolefination of diaryl ketones and enolizable aldehydes with difluoromethyl 2-pyridyl sulfone:New insights into the Julia-Kocienski reaction. 
Highly Stereoselective Nucleophilic Addition of Difluoromethyl-2-pyridyl Sulfone to Sugar Lactones and Efficient Synthesis of Fluorinated 2-Ketoses. 
Nucleophilic Difluoroalkylation of Isocyanates with Difluoromethyl 2-Pyridyl Sulfone.
Nucleophilic Iododifluoromethylation of Carbonyl Compounds Using Difluoromethyl 2-Pyridyl Sulfone.
China's flourishing synthetic organofluorine chemistry: innovations in the new millennium.
Iron-Catalyzed Difluoromethylation of Arylzincs with Difluoromethyl 2-Pyridyl Sulfone.
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 G. K. S. Prakash, et al, Angew. Chem. Int. Ed. Engl, 2011, 50(11), pp 2559-2563.