2,3-Dialkyl(dimethylamino)indoles: interaction with 5HT1, 5HT2, and rat stomach fundal serotonin receptors
作者:Pawel Fludzinski、Laura A. Wittenauer、Kathryn W. Schenck、Marlene L. Cohen
DOI:10.1021/jm00161a048
日期:1986.11
2,3-Dialkyl(dimethylamino)indoles, synthesized via the Fisher indole synthesis, were found to weakly bind to 5HT1 and 5HT2 sites in brain cortical membranes (IC50 greater than 1 microM at both sites for all compounds). These (dimethylamino)indoles were relatively potent antagonists of the serotonin receptor in the rat stomach fundus. At higher concentrations, several of the compounds were weak agonists at this receptor. For direct comparison with data obtained in the isolated rat fundus, antagonism of serotonin-induced contractions at 5HT2 receptors in the rat jugular vein was also examined. Several of the compounds showed good selectivity for the fundus receptor relative to the 5HT2 receptor; together with minimal affinity for 5HT1 and 5HT2 binding sites in brain cortical membranes, these results support the idea that the serotonin receptor in the stomach fundus is distinct from 5HT1 and 5HT2 binding sites.
SBA‐15‐Pr‐SO
<sub>3</sub>
H catalyzed one‐pot synthesis of indole derivatives via Fischer indole pathway
作者:Zahra Ghiyasabadi、Saeed Bahadorikhalili、Mina Saeedi、Mona Karimi‐Niyazagheh、Seyedeh Sara Mirfazli
DOI:10.1002/jhet.3790
日期:2020.2
In this work, an efficient, user‐friendly, and simple procedure was reported for the preparation of indolederivatives catalyzed by the heterogeneous SBA‐15‐Pr‐SO3H viaFischerindole pathway. The title compounds were synthesized from various arylhydrazines and ketones in the presence of 3 mol% of the catalyst in the refluxing ethanol.
Catalyst-Controlled Divergent Cycloisomerizations of <i>N</i>-Propargyl Indoles
作者:Yu Nie、Junrui Zhou、Youliang Wang
DOI:10.1021/acs.orglett.3c01488
日期:2023.6.16
series of catalyst-controlled divergent cycloisomerizations of indole-tethered alkynes was developed utilizing readily available, versatile, and flexible N-propargyl indoles as substrates and BrettPhosAuNTf2 and PtCl4 as catalysts, where the chemodivergency was attributed to both the steric and electronic nature of the catalysts. A broad spectrum of N-propargyl indoles could be employed in this protocol
在此,利用易于获得、通用且灵活的 N-炔丙基吲哚作为底物和 BrettPhosAuNTf 2和 PtCl 4作为催化剂,开发了一系列新的催化剂控制的吲哚系链炔烃的发散环异构化,其中化学发散归因于空间位阻和催化剂的电子性质。该方案可采用广谱N-炔丙基吲哚,从而能够实现 9 H-吡咯并[1,2- a ]吲哚和 4 H-吡咯并[3,2,1- ij ]喹啉文库的不同合成。此外,反应可以在毫摩尔尺度上进行。