Synthesis of Cyclopentenyl Carbocyclic Nucleosides as Potential Antiviral Agents Against Orthopoxviruses and SARS
作者:Jong Hyun Cho、Dale L. Bernard、Robert W. Sidwell、Earl R. Kern、Chung K. Chu
DOI:10.1021/jm0509750
日期:2006.2.1
D-ribose (4). The key intermediate (+)-12a was utilized for the synthesis of unnatural five-membered ring heterocyclic carbocyclicnucleosides. The newly synthesized 1,2,3-triazole analogue (17c) exhibited potent antiviral activity (EC(50) 0.4 microM) against vaccinia virus and moderate activities (EC(50) 39 microM) againstcowpoxvirus and severe acute respiratory syndrome coronavirus (SARSCoV) (EC(50)
[EN] INTERMEDIATES AND METHODS FOR MAKING ZEARALENONE MACROLIDE ANALOGS<br/>[FR] INTERMÉDIAIRES ET PROCÉDÉS DE FABRICATION D'ANALOGUES MACROLIDES DE ZÉARALÉNONE
申请人:EISAI R&D MAN CO LTD
公开号:WO2009075818A1
公开(公告)日:2009-06-18
Disclosed herein are methods and intermediates useful in the preparation of macrolides, e.g., compounds of formula (IV) wherein R1-R12 are as defined herein.
Asymmetric total synthesis of (+)-gabosine C and (+)-4-epi-gabosine J using acetate migration and RCM reaction
作者:Balija Sivakrishna、Shantanu Pal
DOI:10.1016/j.tet.2019.04.048
日期:2019.5
A concise, unified and stereoselective totalsynthesis of (+)-gabosine C and (+)-4-epi-gabosine J from a common polyhydroxylated cyclohexenol intermediate which was synthesized from readily available D-ribose has been described. The synthetic avenue includes stereoselective Grignard reaction, silyl ether deprotection followed by acetate migration, RCM reaction, oxidative diol cleavage, hydroxymethylation