Deep eutectic solvents (DESs) as eco-friendly and sustainable solvent/catalyst systems in organic transformations

S Khandelwal, YK Tailor, M Kumar - Journal of Molecular Liquids, 2016 - Elsevier
The development of efficient and environmentally benign synthetic protocols has attracted
increasing interest in modern organic syntheses in view of the growing concern over the …

Ga(OTf)3-Catalyzed Temperature-Controlled Regioselective Friedel–Crafts Alkylation of Trifluoromethylated 3-Indolylmethanols with 2-Substituted Indoles: Divergent …

Y Ling, D An, Y Zhou, W Rao - Organic letters, 2019 - ACS Publications
An unprecedented Ga (OTf) 3-catalyzed, temperature-controlled regiodivergent alkylation of
2-substituted indoles with trifluoromethylated 3-indolylmethanols is described that provides …

Photoredox catalysis induced bisindolylation of ethers/alcohols via sequential C–H and C–O bond cleavage

L Ye, SH Cai, DX Wang, YQ Wang, LJ Lai, C Feng… - Organic …, 2017 - ACS Publications
A visible-light-engaged 2-fold site-selective alkylation of indole derivatives with aliphatic
ethers or alcohols has been accomplished for easy access to symmetric 3, 3 …

Borane-catalyzed dehydrogenative C–C bond formation of indoles with N-tosylhydrazones: an experimental and computational study

YB Sharma, S Pant, DK Dhaked, MM Guru - Organic Chemistry …, 2022 - pubs.rsc.org
A novel dehydrogenative C–C bond formation of indoles and N-tosylhydrazones to give di
(indolyl) methanes (DIMs) has been demonstrated using tris (pentafluorophenyl) borane as …

[HTML][HTML] Utilization of flow chemistry in catalysis: New avenues for the selective synthesis of Bis (indolyl) methanes

SS Mohapatra, ZE Wilson, S Roy, SV Ley - Tetrahedron, 2017 - Elsevier
Flow chemistry enables the preparation of bis (indolyl) methanes from various indoles and
structurally divergent aldehydes using Sc (OTf) 3 catalysis. The reaction is regioselective for …

Green and sustainable approaches for the Friedel–Crafts reaction between aldehydes and indoles

PX Kolagkis, EM Galathri… - Beilstein Journal of …, 2024 - beilstein-journals.org
The synthesis of indoles and their derivatives, more specifically bis (indolyl) methanes
(BIMs), has been an area of great interest in organic chemistry, since these compounds …

Efficient synthesis of bis (indolyl) methanes, bispyrazoles and biscoumarins using 4-sulfophthalic acid

H Banari, H Kiyani, A Pourali - Research on Chemical Intermediates, 2017 - Springer
Sulfophthalic acid (4-H 3 SPA) solution 50 wt% in H 2 O has been effectively catalyzed the
synthesis of a series of biologically relevant bis (indolyl) methanes by the electrophilic …

Palladium (II) in electrophilic activation of aldehydes and enones: efficient C-3 functionalization of indoles

SS Mohapatra, P Mukhi, A Mohanty, S Pal, AO Sahoo… - Tetrahedron …, 2015 - Elsevier
The regioselective C-3 alkylation of indoles with aldehydes and enones as electrophiles is
catalyzed by ad 8 late transition metal complex PdCl 2 (MeCN) 2 at room temperature in the …

Selective Synthesis of Bis(indolyl)methanes Under Solvent Free Condition Using Glucopyranosylamine Derived cis-Dioxo Mo(VI) Complex as an Efficient Catalyst

N Baig, GM Shelke, A Kumar, AK Sah - Catalysis Letters, 2016 - Springer
Abstract cis-Dioxomolybdenum (VI) complex of 4, 6-O-ethylidene-β-d-glucopyranosylamine
derived ligand has been used as an efficient catalyst in the selective synthesis of a series of …

Bio-based ionically cross-linked alginate composites for PEMFC potential applications

P Samoila, I Grecu, M Asandulesa, C Cojocaru… - Reactive and Functional …, 2021 - Elsevier
Alginate-based composites with appropriate characteristics as polymer-electrolyte
membranes (PEMs) were prepared by blending the polysaccharide with poly (vinylsulfonic …