Commercially available simple ionic liquids-promoted dehydrative carbon–carbon bond-forming reaction of diarylmethanols and triarylmethanols with pyrroles, thiophene, furan and indoles
bond-forming reaction of a variety of diarylmethanols and triarylmethanols with π-rich heteroaromatics, such as pyrroles, indole, furan, and thiophene without ring-opening and polymerization to give the corresponding not only 2-substituted pyrroles, furan, and thiophene but also 3-substituted indoles in good to excellent yields with moderate to excellent regioselectivities. These dehydrative C–C bond
Regioselective benzylation of imidazo[1,5-a]pyridines and indoles via iodine catalyzed reaction using alcohols - An approach to crystal structure prediction, DFT studies and Hirshfeld surface analysis
作者:Nagaraju Chaithra、Hassan A. Swarup、S. Chandrasekhar、B.K. Jayanna、Karthik Kumara、Kempegowda Mantelingu、N.K. Lokanath
DOI:10.1016/j.molstruc.2023.136591
日期:2024.1
crystallized in triclinic crystal system with P-1 space group. The molecular structure is stabilized by short intermolecular interactions and intramolecular C-H…N hydrogen bond interactions. The crystal structure also exhibits intermolecularC-H…π, C-Cl…π and π…π stacking interactions. The intermolecular interactions are quantified through Hirshfeld surface analysis using fingerprint plots. The surface properties
已开发出碘催化的咪唑并[1,5-a]吡啶区域选择性 C-1 苄基化反应和吲哚与二苯甲醇的 C-3 苄基化反应。这种新方案为苄基化方法的合成提供了一种有效的方案,因为它仅针对 CH 键,即使存在反应性 NH 键,并且可以合成各种苄基取代的吲哚和咪唑并[1,5-a]吡啶。功能导致在无金属条件下优雅地形成新的 CC 键。该报告代表了从固体工作台稳定的二芳基甲醇合成三(杂芳基/芳基)甲烷的温和方案。所形成的产品因其潜在的生物应用而令人感兴趣。化合物 3k 的晶体结构通过单晶 X 射线衍射研究确定。该化合物结晶为三斜晶系,空间群为P-1。分子结构通过短的分子间相互作用和分子内CH…N氢键相互作用而稳定。晶体结构还表现出分子间CH…π、C-Cl…π和π…π堆积相互作用。分子间相互作用通过赫什菲尔德表面分析使用指纹图进行量化。使用 3D Hirshfeld 曲面分析表面特性。此外,进行密度泛函理论计算以计算分子的电子性质。HOMO-LUMO
A Rational Approach towards the Nucleophilic Substitutions of Alcohols “on Water”
作者:Pier Giorgio Cozzi、Luca Zoli
DOI:10.1002/anie.200800622
日期:2008.5.19
Au(III)/TPPMS-Catalyzed Benzylation of Indoles with Benzylic Alcohols in Water
作者:Hidemasa Hikawa、Hideharu Suzuki、Isao Azumaya
DOI:10.1021/jo402151g
日期:2013.12.6
A novel and efficient method for the Au(III)/TPPMS-catalyzed direct substitution reaction of benzhydryl and benzylic alcohols with indoles in water is developed. Au(III)/TPPMS is an effective catalyst for the benzylation of the strong pi nucleophile 1-methylindole, while common Bronsted or Lewis acids are ineffective.
Iodine-catalyzed efficient synthesis of xanthene/thioxanthene-indole derivatives under mild conditions
作者:Weihang Miao、Pingting Ye、Mengjiao Bai、Zhixin Yang、Suyue Duan、Hengpan Duan、Xuequan Wang
DOI:10.1039/d0ra05217e
日期:——
xanthen-9-ol and thioxanthen-9-ol with indoles has been developed, providing an efficient procedure for the synthesis of xanthene/thioxanthene-indole derivatives with good to excellent yields. This protocol offers several advantages, such as short reaction times, green solvent, operational simplicity, easily available catalyst and mild reaction conditions. Moreover, this method showed good tolerance of functional