<? ACS-CT-START-Insert?> Update 1 of:<? ACS-CT-END-Insert?> Ionic Liquids in Heterocyclic Synthesis

MAP Martins, CP Frizzo… - Chemical …, 2014 - ACS Publications
Heterocycles form by far the largest of the classical divisions of organic chemistry. Moreover,
they are of immense importance not only both biologically and industrially but to the …

Advances in the synthesis of xanthenes: an overview

A Chaudhary, JM Khurana - Current Organic Synthesis, 2018 - ingentaconnect.com
Background: Xanthene is pharmacologically important oxygen containing heterocyclic
moeity exhibiting an array of potent biological activities like antibacterial, antiviral …

Graphene oxide: An efficient recyclable solid acid for the synthesis of bis (indolyl) methanes from aldehydes and indoles in water

Y Wang, R Sang, Y Zheng, L Guo, M Guan… - Catalysis Communications, 2017 - Elsevier
An efficient synthesis of bis (indolyl) methanes from aldehydes with indoles through
graphene oxide-catalyzed Friedel-Crafts alkylation is developed. The reaction proceeds in …

One-pot synthesis of various xanthene derivatives using ionic liquid 1, 3-disulfonic acid imidazolium hydrogen sulfate as an efficient and reusable catalyst under …

F Shirini, A Yahyazadeh, K Mohammadi - Chinese Chemical Letters, 2014 - Elsevier
Abstract In this study, 1, 3-disulfonic acid imidazolium hydrogen sulfate (DSIMHS) is used as
an efficient and reusable ionic liquid for the green, mild, and efficient synthesis of xanthenes …

Facile and efficient synthesis of 9-aryl-1, 8-dioxo-octahydroxanthenes catalyzed by sulfacetamide

S Kamalifar, H Kiyani - Polycyclic Aromatic Compounds, 2022 - Taylor & Francis
In this study, the domino Knoevenagel-Michael and cyclization reaction between 5, 5-
dimethyl-1, 3-cyclohexanedione (dimedone) and aryl aldehydes was performed in the …

Novel acidic ionic liquid [BEMIM][HSO4]: A highly efficient and recyclable catalyst for the synthesis of bis-indolyl methane derivatives

R Athavale, S Gardi, F Choudhary, D Patil… - Applied Catalysis A …, 2024 - Elsevier
The novel acidic ionic liquid [BEMIM][HSO 4] was prepared and characterized by FT-IR, 1 H
NMR, 13 C NMR, DEPT-135, LC-Mass, and elemental analysis techniques. It was examined …

[HTML][HTML] Water extract of onion peel for the synthesis of bisindolylmethanes

PW Chia, BS Lim, KC Tan, FSJ Yong, SY Kan - Journal of King Saud …, 2019 - Elsevier
An efficient catalytic system for the synthesis of bisindolylmethanes (BIMs) using Water
Extract of Onion Peel (WEOP) is described in this study. The advantages of this protocol …

Development of Brönsted–Lewis acidic solid catalytic system of 3-methyl-1-sulfonic acid imidazolium transition metal chlorides for the preparation of bis (indolyl) …

P Gogoi, AK Dutta, P Sarma, R Borah - Applied Catalysis A: General, 2015 - Elsevier
Three new heterogeneous catalysts of 3-methyl-1-sulfonic acid imidazolium transition metal
chlorides [Msim][X](where X=[FeCl 4]−,[ZnCl 3]−,[CuCl 2]−) were synthesized containing …

BiVO4-NPs: an efficient nano-catalyst for the synthesis of biscoumarins, bis(indolyl)methanes and 3,4-dihydropyrimidin-2(1H)-ones (thiones) derivatives

F Shirini, MP Lati - Journal of the Iranian Chemical Society, 2017 - Springer
BiVO 4-NPs can be used as an efficient and reusable nano-catalyst for the promotion of the
synthesis of biscoumarins, bis (indolyl) methanes and 3, 4-dihydropyrimidin-2 (1 H)-ones …

An efficient method for synthesis of bis (indolyl) methane and di-bis (indolyl) methane derivatives in environmentally benign conditions using TBAHS

SH Siadatifard, M Abdoli-Senejani… - Cogent …, 2016 - Taylor & Francis
An efficient procedure for the synthesis of bisindolylmethanes from condensation of indole
and aromatic aldehydes or ketones is described. The aromatic electrophilic substitution …