Assembly of multicyclic isoquinoline scaffolds from pyridines: formal total synthesis of fredericamycin A
作者:Fang-Xin Wang、Jia-Lei Yan、Zhixin Liu、Tingshun Zhu、Yingguo Liu、Shi-Chao Ren、Wen-Xin Lv、Zhichao Jin、Yonggui Robin Chi
DOI:10.1039/d1sc02442f
日期:——
typically starts with benzene derivatives as substrates with the assistance of acids or transition metals. Disclosed here is a concise approach to prepare isoquinoline analogues by starting with pyridines to react with β-ethoxy α,β-unsaturated carbonyl compounds under basic conditions. Multiple substitution patterns and a relatively large number of functional groups (including those sensitive to acidic
It is related to compounds used as autophagy modulators and a method for preparing and using the same, specifically providing a compound of general formula (I), or pharmaceutically acceptable salts thereof, which is a type of autophagy modulators, particularly mammalian ATG8 homologues modulators.
Mn(III) acetate-mediated regioselective benzylation of various α,β-unsaturated and β-alkoxy-α,β-unsaturated ketones
作者:Cihangir Tanyeli、Devrim Özdemirhan
DOI:10.1016/j.tetlet.2003.08.001
日期:2003.9
We describe herein the results of manganese(III) acetate mediated alpha'-benzylation of various a,p-unsaturated and beta-alkoxy-alpha,beta-unsaturated ketones in moderate yields. (C) 2003 Elsevier Ltd. All rights reserved.
COMPOUND USED AS AUTOPHAGY REGULATOR, AND PREPARATION METHOD THEREFOR AND USES THEREOF
It is related to compounds used as autophagy modulators and a method for preparing and using the same, specifically providing a compound of general formula (I), or pharmaceutically acceptable salts thereof, which is a type of autophagy modulators, particularly mammalian ATG8 homologues modulators.
Ruthenium-Catalyzed Hydrative Cyclization of 1,5-Enynes
作者:Yiyun Chen、Douglas M. Ho、Chulbom Lee
DOI:10.1021/ja053462r
日期:2005.9.1
ruthenium-catalyzed hydrative cyclization of enynes has been developed. The reaction converts a range of 1,5-enynes bearing terminal alkyne and Michael acceptor moieties into cyclopentanone derivatives. From extensive catalyst screening experiments, a trinuclear ruthenium complex, [Ru3(dppm)3Cl5]PF6, has been identified to be an effective catalyst in mediating the 1,1-difunctionalization of alkynes. It is proposed