Recent advances in the synthesis of heterocycles via reactions involving elemental sulfur

TB Nguyen - Advanced Synthesis & Catalysis, 2020 - Wiley Online Library
It is well known that heterocycles are among the most significant molecules for everyday life,
ranging from natural products and bioactive substances to functional materials. This review …

Recent evolution on synthesis strategies and anti-leishmanial activity of β-carboline derivatives–An update

KK Banoth, KVG ChandraSekhar, N Adinarayana… - Heliyon, 2020 - cell.com
Leishmaniasis is the most widespread pathogenic disease in several countries. Currently,
no effective vaccines are available, and the control of Leishmaniasis primarily relies on …

Base‐promoted Oxidative Sulfuration/Cyclization to Construct Naphtho[2,3‐d]thiazole through Three‐component Reaction Using S8 as the Sulfur Source

Z Yu, J Su, C Huang, J Wei, L Han… - Asian Journal of …, 2022 - Wiley Online Library
A base‐promoted three‐component oxidative sulfuration/cyclization reaction of 2‐amino‐1,
4‐naphthoquinone, aldehyde and elemental sulfur was developed. The naphtho [2, 3‐d] …

DIPEA‐Assisted Efficient One‐Pot Three‐Component Synthesis of Novel β‐Carboline Tethered Pyran Derivatives

N Banyal, CC Malakar, R Kumar, V Singh - ChemistrySelect, 2024 - Wiley Online Library
A potential DIPEA‐assisted approach has been unfolded for the synthesis of novel β‐
carboline tethered‐4H‐pyran derivatives via one‐pot condensation of 1‐formyl‐9H‐β …

Isatin as a 2-aminobenzaldehyde surrogate: transition metal-free efficient synthesis of 2-(2′-aminophenyl) benzothiazole derivatives

M Singh, AK Paul, V Singh - Organic & Biomolecular Chemistry, 2020 - pubs.rsc.org
A transition metal-free, convenient, and efficient practical approach has been devised for the
synthesis of substituted 2-(2′-aminophenyl) benzothiazoles via a sulfur insertion strategy …

A metal-free approach towards synthesis of β-carboline C1 substituted Pyrido (2, 3-c) carbazole derivatives (nitramarine analogues) through A3-coupling and …

M Singh, S Kumar, R Jamra, SK Pandey, V Singh - Tetrahedron, 2020 - Elsevier
A simple and efficient metal-free methodology is presented to access fluorescent β-carboline
tethered pyrido (2, 3-c) carbazole derivatives (Nitramarine analogues) via A 3-coupling of 1 …

KI‐assisted Sulfur Activation/Insertion/Denitration Strategy towards Dual C− S Bond Formation for One‐pot Synthesis of β‐Carboline‐tethered 2‐Acylbenzothiophenes

M Singh, R Jamra, AK Paul… - Asian Journal of …, 2022 - Wiley Online Library
A simple and efficient KI promoted sulfur activation‐insertion/de‐nitration strategy has been
developed for the synthesis of β‐carboline C1 tethered 2‐acylbenzothiophenes via one‐pot …

Electron rich substituted β-carboline derivatives: Synthesis and photophysical properties

C Maret, S Chebourou, A De Nicola, TV Papineau… - Dyes and …, 2023 - Elsevier
We report the synthesis and characterisation of known and novel analogues of β-carboline,
a naturally occurring alkaloid. Striving to induce changes in the optical properties of …

Transition Metal‐Free Diastereoselective Synthesis of β‐Carboline Tethered Dihydrofurocoumarin Derivatives

N Banyal, CC Malakar, R Kumar… - Asian Journal of Organic …, 2024 - Wiley Online Library
One‐pot procedure has been developed for the synthesis of novel β‐carboline tethered
trans 2, 3‐furocoumarins via assembling 1‐formyl‐β‐carbolines, 4‐hydroxycoumarins, and …

A Catalyst‐ and Metal‐free Approach towards the Synthesis of β‐Carboline tethered Imidazole Derivatives and Assessment of their Photophysical Properties

Vaishali, V Singh - Asian Journal of Organic Chemistry, 2023 - Wiley Online Library
A simple, facile, and highly efficient approach has been unfolded for the syntheses of β‐
carboline tethered imidazole derivatives. This expeditious catalyst‐free strategy proceeds …