As the most successful heterogeneous catalyst,zeolite has found widespread application in methanol to olefins,alkane dehydrogenation,CO_(2)hydrogenation,syngas conversion,and various other processes.To provide a compr...As the most successful heterogeneous catalyst,zeolite has found widespread application in methanol to olefins,alkane dehydrogenation,CO_(2)hydrogenation,syngas conversion,and various other processes.To provide a comprehensive understanding of the structure-performance relationship,a series of fundamental papers have been published in this special issue,covering topics ranging from zeolite synthesis to structural and acidic characterization,and catalytic reactions.展开更多
C-aryl glycosides are an important kind of carbohydrate derivatives for drug discovery,due to their distinctive attributes of resistance to hydrolysis from enzymes.Herein,C-aryl glycosylation was established for the s...C-aryl glycosides are an important kind of carbohydrate derivatives for drug discovery,due to their distinctive attributes of resistance to hydrolysis from enzymes.Herein,C-aryl glycosylation was established for the synthesis of 2-sulfur C-aryl glycals and 1,2-dihydrobenzofuran-fused C-aryl glycosides via interrupted Pummerer process,featured with sulfonium-tethered[3,3]-sigmatropic rearrangement between sulfoxide glycals and phenols.This protocol offers a broad substrate scope with diverse glycosyl and phenols.Dapagliflozin,Empagliflozin,and Ipragliflozin analogs were straightforward achieved,respectively.展开更多
文摘As the most successful heterogeneous catalyst,zeolite has found widespread application in methanol to olefins,alkane dehydrogenation,CO_(2)hydrogenation,syngas conversion,and various other processes.To provide a comprehensive understanding of the structure-performance relationship,a series of fundamental papers have been published in this special issue,covering topics ranging from zeolite synthesis to structural and acidic characterization,and catalytic reactions.
基金supported by the National Natural Science Foundation of China(22125103 and 21971065)the Science and Technology Commission of Shanghai Municipality(22JC1401000 and 20XD1421500)。
基金The authors are grateful for financial support provided by NSFC(22125103and21971065)STCSM(22JC1401000,20xD1421500 and 20JC1416800)the Fundamental Research FundsfortheCentral Universities.
文摘C-aryl glycosides are an important kind of carbohydrate derivatives for drug discovery,due to their distinctive attributes of resistance to hydrolysis from enzymes.Herein,C-aryl glycosylation was established for the synthesis of 2-sulfur C-aryl glycals and 1,2-dihydrobenzofuran-fused C-aryl glycosides via interrupted Pummerer process,featured with sulfonium-tethered[3,3]-sigmatropic rearrangement between sulfoxide glycals and phenols.This protocol offers a broad substrate scope with diverse glycosyl and phenols.Dapagliflozin,Empagliflozin,and Ipragliflozin analogs were straightforward achieved,respectively.
