Synthesis of α-Carbolines Starting from 2,3-Dichloropyridines and Substituted Anilines
作者:Steven Hostyn、Gitte Van Baelen、Guy L. F. Lemière、Bert U. W. Maes
DOI:10.1002/adsc.200800077
日期:2008.11.3
9H-α-Carbolines have been prepared via consecutive intermolecular Buchwald–Hartwig reaction and Pd-catalyzed intramolecular direct arylation from commercially available 2,3-dichloropyridines and substituted anilines. The combination of a high reaction temperature (180 °C) and the use of DBU were found to be crucial for the intramolecular direct arylation reactions of the 3-chloro-N-phenylpyridin-2-amines
通过连续的分子间布赫瓦尔德-哈特维格反应和Pd催化的分子内直接芳基化反应,从市售的2,3-二氯吡啶和取代的苯胺制备了9 H -α-咔啉。发现高反应温度(180°C)和DBU的使用对于3-氯-N-苯基吡啶-2-胺的分子内直接芳基化反应至关重要,因为在120°C时未观察到反应180°C使用不同的无机碱和其他有机碱。另一方面,这些底物的氮甲基化吡啶类似物 N- [3-氯-1-甲基吡啶-2(1 H)-亚烷基]苯胺}在120°C时确实发生了K 3 PO闭环以4为碱,以良好的收率得到各自的1-甲基-1 H -α-咔啉。
[EN] CaMKII INHIBITORS AND USES THEREOF<br/>[FR] INHIBITEURS CAMKII ET LEURS UTILISATIONS
申请人:ALLOSTEROS THERAPEUTICS INC
公开号:WO2016037106A1
公开(公告)日:2016-03-10
The present invention provides compounds useful as inhibitors of Ca2+/calmodulin-dependent protein kinase (CaMKII), compositions thereof, and methods of using the same.
One-Pot Synthesis of α-Carbolines via Sequential Palladium-Catalyzed Aryl Amination and Intramolecular Arylation
作者:Joydev K. Laha、Philip Petrou、Gregory D. Cuny
DOI:10.1021/jo802776m
日期:2009.4.17
A one-potsynthesis of α-carbolines via a palladium-catalyzed aryl amination followed by intramoleculararylation is described. 2,3-Dichloro- and 2,3-dibromopyridines have been shown to react with readily available anilines to obtain various substituted α-carbolines in moderate to excellent yields.
Synthesis of α‐ and β‐Carbolines by a Metalation/Negishi Cross‐Coupling/S
<sub>N</sub>
Ar Reaction Sequence
作者:Shainthavaan Sathiyalingam、Stefan Roesner
DOI:10.1002/adsc.202200127
日期:2022.5.17
A methodology for the synthesis of α- and β-carbolines from fluoropyridines and 2-haloanilines is reported. This procedure consists of a four-step directed ortho-lithiation, zincation, Negishi cross-coupling, and intramolecular nucleophilic aromatic substitution, providing access to a diverse set of functionalized carbolines. While the procedure is applicable to batch conditions, the generation of
ALPHA-CARBOLINE DERIVATIVES AND METHODS FOR PREPARATION THEREOF
申请人:Mizuno Masahiro
公开号:US20090326229A1
公开(公告)日:2009-12-31
To provide methods for preparing alpha-carboline derivatives in few steps, as well as conveniently and industrially advantageously. A method for preparation of a compound represented by Formula (II) or a salt thereof, comprising subjecting a compound represented by Formula (I) or a salt thereof to a ring closure reaction in the presence of a palladium catalyst, a ligand, and a base; a method for preparation of a compound represented by Formula (IX) or a salt thereof, comprising subjecting a compound represented by Formula (VII) or a salt thereof to a ring closure reaction in the presence of a palladium catalyst, a ligand, and a base, and subsequently to an aromatization reaction; and methods for preparation of compounds represented by Formulae (XV), (XVII), and (XIX) or a salt thereof, comprising subjecting respective compounds represented by Formulae (II) and (IX) or a salt thereof to a reaction for introducing a leaving group when necessary, and subsequently to a coupling reaction: wherein the symbols respectively represent the same meaning as defined in the present specification.