Enantioselective Synthesis of Tetrahydropyrano[3,4-<i>b</i>
]indoles: Palladium(II)-Catalyzed Aminopalladation/1,4-Addition Sequence
作者:Junjie Chen、Xiuling Han、Xiyan Lu
DOI:10.1002/anie.201708900
日期:2017.11.13
At the end of a tether: Palladium(II)-catalyzed asymmetric cyclization of aniline-tethered alkynyl cyclohexadienones leads to functionalized tetrahydropyrano-[3,4-b]indoles in good yields and excellent enantioselectivities. The process involves a novel intramolecular aminopalladation/1,4 addition sequence.
在束缚的末端:钯(II)催化的苯胺束缚的炔基环己二烯酮的不对称环化反应以高收率和出色的对映选择性导致官能化的四氢吡喃基-[3,4- b ]吲哚。该过程涉及新的分子内氨基palpalation / 1,4加成序列。
Synthesis of 2-BMIDA Indoles via Heteroannulation: Applications in Drug Scaffold and Natural Product Synthesis
作者:George E. Bell、James W. B. Fyfe、Eva M. Israel、Alexandra M. Z. Slawin、Matthew Campbell、Allan J. B. Watson
DOI:10.1021/acs.orglett.2c00959
日期:2022.4.29
A Pd-catalyzed heteroannulation approach for the synthesis of C2 borylated indoles is reported. The process allows access to highly functionalized 2-borylated indole scaffolds with complete control of regioselectivity. The utility of the process is demonstrated in the synthesis of borylated sulfa drugs and in the concisesynthesis of the Aspidosperma alkaloid Goniomitine.
Palladium(<scp>ii</scp>)-catalyzed tandem cyclization of 2-ethynylaniline tethered cinnamyl acetate for the synthesis of indenoindoles
作者:Junjie Chen、Xiuling Han、Xiyan Lu
DOI:10.1039/d0ob01975e
日期:——
A palladium(II)-catalyzedcyclization of 2-ethynylaniline tethered cinnamyl acetate involving aminopalladation/alkene insertion/β-acetoxy elimination cascade processes was established. The new protocol provides efficient access to indenoindoles in moderate to good yields under mild conditions.
建立了涉及氨基钯化/烯烃插入/β-乙酰氧基消除级联过程的2-乙炔基苯胺束缚乙酸肉桂酯的钯( II )催化环化。新协议提供了在温和条件下以中等至良好产量有效获取茚满酮的途径。
EP1612204
申请人:——
公开号:——
公开(公告)日:——
Self-Immolative Comb-Polymers: Multiple-Release of Side-Reporters by a Single Stimulus Event