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参考文献:Synthesis And Biological Evaluation Of Naphthoquinone Analogs As A Novel Class Of Proteasome Inhibitors
标题:Synthesis And Biological Evaluation Of Naphthoquinone Analogs As A Novel Class Of Proteasome Inhibitors
摘要:Screening Of The Nci Diversity Set-1 Identified Pi-083 (Nsc-45382) A Proteasome Inhibitor Selective For Cancer Over Normal Cells. Focused Libraries Of Novel Compounds Based On Pi-083 Chloronaphthoquinone And Sulfonamide Moieties Were Synthesized To Gain A Better Understanding Of The Structure-Activity Relationship Responsible For Chymotrypsin-Like Proteasome Inhibitory Activity. This Led To The Demonstration That The Chloronaphthoquinone And The Sulfonamide Moieties Are Critical For Inhibitory Activity. The Pyridyl Group In Pi-083 Can Be Replaced With Other Heterocyclic Groups Without Significant Loss Of Activity. Molecular Modeling Studies Were Also Performed To Explore The Detailed Interactions Of Pi-083 And Its Derivatives With The Beta 5 And Beta 6 Subunits Of The 20S Proteasome. The Refined Model Showed An H-Bond Interaction Between The Asp-114 And The Sulfonamide Moiety Of The Pi-083 In The Beta 6 Subunit. (C) 2010 Elsevier Ltd. All Rights Reserved.
DOI:10.1016/j.Bmc.2010.06.038