Pyridine‐Catalysed Desulfonylative Addition of β‐Diketones to Arylazosulfones via Diaziridine Rearrangement
作者:Xin Ji、Ling‐Guo Meng、Hailong Xu、Lei Wang
DOI:10.1002/adsc.202001171
日期:2021.2.16
pyridine‐catalysed desulfonylative addition of β‐diketones to arylazosulfones was developed to obtain diazenyl β‐dicarbonyl compounds. The aryldiazenyl group was observed in the desired product from arylazosulfones, and this diazenylation reaction was achieved via a possible rearrangement process based on diaziridine ring cleavage. The scope of the protocol was investigated and a plausible mechanism was
Elgemeie, Galal E. H.; Alnaimi, Ibrahim S.; Alarab, Hafsa F., Heterocycles, 1992, vol. 34, # 9, p. 1721 - 1728
作者:Elgemeie, Galal E. H.、Alnaimi, Ibrahim S.、Alarab, Hafsa F.
DOI:——
日期:——
Aryldiazenyl Radicals from Arylazo Sulfones: Visible Light‐Driven Diazenylation of Enol Silyl Ethers
作者:Havall Othman Abdulla、Simone Scaringi、Ahmed A. Amin、Mariella Mella、Stefano Protti、Maurizio Fagnoni
DOI:10.1002/adsc.201901424
日期:2020.5.26
A versatile protocol for the diazenylation of enolsilylethers under visible light irradiation is presented herein. The reaction is based on the underused reaction of a nitrogen‐based radical (the diazenyl radical) with an enolsilylether. Arylazo sulfones were used as photoactivatable precursors of these diazenyl radicals. The resulting azaderivatives are potentially bioactive compounds as well