Regiodivergent Halogenation of Vinylogous Esters: One-Pot, Transition-Metal-Free Access to Differentiated Haloresorcinols
作者:Xiaohong Chen、Jenny S. Martinez、Justin T. Mohr
DOI:10.1021/ol503561x
日期:2015.1.16
vinylogous esters and sulfonyl halide halogen donors. Either the 4- or 6-haloresorcinol isomer is accessible from a common precursor. In contrast to conventional oxidants for arene halogenation, mild sulfonyl halides allow broad functional group compatibility. The strategy inherently differentiates the two resorcinol oxygen atoms and enhances the potential for complexmolecule synthesis.
Practical regioselective halogenation of vinylogous esters: synthesis of differentiated mono-haloresorcinols and polyhalogenated resorcinols
作者:Xiaohong Chen、Xiaoguang Liu、Jenny S. Martinez、Justin T. Mohr
DOI:10.1016/j.tet.2016.02.006
日期:2016.6
A practical and efficient method for the direct, regioselective conversion of vinylogousesters to haloresorcinols is reported. Control of the reaction conditions enables synthesis of either the 4- or 6-haloresorcinol isomers from a common precursor with excellent regiocontrol and high yield. The generality and functional group tolerance of this novel protocol is demonstrated. The utility of this methodology
Provided are cyclosporin A analogues that are NTCP inhibitors and useful for treating HBV and/or HDV infection (s), hepatoprotection and amelioration of hypercholesterolemia, diabetes and inhibiting cancer.
A compound of formula (I), or a pharmaceutically acceptable salt or ester thereof, wherein the symbols have meaning as defined, which are antagonists of CCR-1 and which find use pharmaceutically for treatment of diseases and conditions in which CCR-1 is implicated, e.g. inflammatory diseases.
申请人:National Institute of Biological Sciences, Beijing
公开号:US10961231B2
公开(公告)日:2021-03-30
The invention provides cyclosporin A analogues that are NTCP inhibitors and useful for treating HBV and/or HDV infection(s), hepatoprotection and amelioration of hypercholesterolemia, diabetes and inhibiting cancer.
本发明提供的环孢素 A 类似物是 NTCP抑制剂,可用于治疗 HBV 和/或 HDV 感染、保肝、改善高胆固醇血症、糖尿病和抑制癌症。