Synthesis of selenol esters via the reaction of acyl chlorides with diselenides in the presence of Zn dust catalyzed by CoCl2·6H2O
作者:Angélica J. de Oliveira、Sandynara A. de Oliveira、Leonardo G. Vasconcelos、Evandro L. Dall'Oglio、Lucas C.C. Vieira、André L. Stein
DOI:10.1016/j.tetlet.2021.153317
日期:2021.9
A practical and efficient approach for the synthesis of selenol and thiol esters is described via the reaction of acyl chlorides with diselenides or disulfides in the presence of Zn dust catalyzed by inexpensive CoCl2·6H2O This protocol tolerates a wide range of substrates, including aromatic and aliphatic acyl chlorides, with a variety of sensitive functional groups to afford the respective products
Visible-Light-Induced Three-Component Selenofunctionalization of Alkenes: An Aerobic Selenol Oxidation Approach
作者:Dilip V. Patil、Young Taek Hong、Hun Young Kim、Kyungsoo Oh
DOI:10.1021/acs.orglett.2c03186
日期:2022.11.25
variety of nucleophiles. The homolytic scission of diselenides under visible-light conditions coupled with the aerobic selenol oxidation to diselenides allowed the successful implementation of three-component selenofunctionalization under visible-light irradiation in open-air conditions. The mechanistic studies revealed the critical role of oxygen content in a reaction medium, where the electron transfer
Visible Light‐Induced Redox‐Neutral Selenocyclization of <i>ortho</i>‐Vinylanilides: Oxygen‐Controlled Synthesis of 4<i>H</i>‐3,1‐Benzoxazines
作者:Young Taek Hong、Jiwoo Park、Hun Young Kim、Kyungsoo Oh
DOI:10.1002/adsc.202301320
日期:2024.3.8
A visible-light-induced selenocyclization of ortho-vinylanilides to 4H-3,1-benzoxazines has been developed under controlled O2 atmosphere. The low O2 content in reaction medium promotes the aerobic selenol oxidation to diselenides for the full use of 2 equiv selenyl radicals in a redox-neutral way, avoiding the aerobic oxidation of ortho-vinylanilides under higher O2 content. The developed visible
Synthesis and multinuclear magnetic resonance study of para-substituted phenyl selenobenzoates
作者:Gregory P. Mullen、Narender P. Luthra、R. Bruce Dunlap、Jerome D. Odom
DOI:10.1021/jo00206a017
日期:1985.3
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作者:I. P. Beletskaya、A. S. Sigeev、A. S. Peregudov、P. V. Petrovskii
DOI:10.1023/a:1013913816069
日期:——
Tributyltin aryl selenides are convenient and highly efficient arylselenating agents in reactions with acyl chlorides. The activity of acetic anhydride is considerably lower but it can be involved into the arylselenation reaction in the presence of PdCl2(PPh3)(2) or boron trifluoride etherate as catalysts.