Lewis Acid-Catalyzed C(<i>sp</i><sup>3</sup>)-C(<i>sp</i><sup>3</sup>) Bond Forming Cyclization Reactions for the Synthesis of Tetrahydroprotoberberine Derivatives
作者:Jianjun Li、Cong Qin、Yang Yu、Huaqiang Fan、Yiwei Fu、Hao Li、Wei Wang
DOI:10.1002/adsc.201601423
日期:2017.7.3
An efficient Lewis acid‐catalyzed C(sp3)–C(sp3) bond forming annulation reaction has been developed. This strategy serves as a new method for the facilesynthesis of tetrahydro‐5H‐isoquinolino[2,1‐g][1,6]naphthyridine derivatives. A wide range of 2‐methylquinoline‐3‐carbaldehydes and 1,2,3,4‐tetrahydroisoquinolines can be applied for this process to afford structurally diverse tetrahydroprotoberberine
已经开发出有效的路易斯酸催化的C(sp 3)–C(sp 3)键形成环化反应。该策略为轻松合成四氢-5 H-异喹啉代[2,1- g ] [1,6]萘啶衍生物提供了一种新方法。各种2-甲基喹啉-3-甲醛和1,2,3,4-四氢异喹啉都可用于该工艺,从而以优异的收率提供结构多样的四氢小ber碱衍生物。
Acetic Acid Promoted Redox Annulations with Dual C–H Functionalization
作者:Zhengbo Zhu、Daniel Seidel
DOI:10.1021/acs.orglett.7b01047
日期:2017.6.2
Amines such as 1,2,3,4-tetrahydroisoquinoline undergo redox-neutral annulations with 2-alkylquinoline-3-carbaldehydes as well as the corresponding 4-alkyl isomers and pyridine analogues. These processes involve dual CH bond functionalization. Acetic acid is used as a cosolvent and acts as the sole promoter of these transformations.
CLARK, ROBIN D.;REPKE, DAVID B.;BERGER, JACOB;NELSON, JANIS T.;KILPATRICK+, J. MED. CHEM., 34,(1991) N, C. 707-717
作者:CLARK, ROBIN D.、REPKE, DAVID B.、BERGER, JACOB、NELSON, JANIS T.、KILPATRICK+