The reduction of disulfides by samarium diiodide led to sa arium thiolates (ArSSml2).This new thiolate anion species reacted smoothly with α, β -unsaturated esters (nitriles) to give 1,4-addition products β -thioes...The reduction of disulfides by samarium diiodide led to sa arium thiolates (ArSSml2).This new thiolate anion species reacted smoothly with α, β -unsaturated esters (nitriles) to give 1,4-addition products β -thioesters and β -thionitriles in good yields under mild and neutralcondition.展开更多
A new method is described to synthesize phendione derivatives from 1,10-phenanthrolines using potassium bromate and 60% sulfuric acid as oxidant,which was easily applicable to scale-up.The reaction conditions are mild...A new method is described to synthesize phendione derivatives from 1,10-phenanthrolines using potassium bromate and 60% sulfuric acid as oxidant,which was easily applicable to scale-up.The reaction conditions are mild and the yields are excellent.The target compounds have been characterized by 1H NMR,and IR.展开更多
文摘The reduction of disulfides by samarium diiodide led to sa arium thiolates (ArSSml2).This new thiolate anion species reacted smoothly with α, β -unsaturated esters (nitriles) to give 1,4-addition products β -thioesters and β -thionitriles in good yields under mild and neutralcondition.
基金financial support from National Natural Science Foundation(No.20674071)Provincial Natural Science Foundation of Zhejiang(No.Y4090281)
文摘A new method is described to synthesize phendione derivatives from 1,10-phenanthrolines using potassium bromate and 60% sulfuric acid as oxidant,which was easily applicable to scale-up.The reaction conditions are mild and the yields are excellent.The target compounds have been characterized by 1H NMR,and IR.
