Recent advances in ring-opening of donor acceptor cyclopropanes using C-nucleophiles

K Ghosh, S Das - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
Ring-opening transformations of donor–acceptor cyclopropanes (DAC) with carbon-
centered nucleophiles is a simple, straight-forward approach to 1, 3-bifunctional compounds …

Donor–Acceptor Cyclopropanes as an Expedient Building Block Towards the Construction of Nitrogen‐Containing Molecules: An Update

P Singh, RK Varshnaya, R Dey… - Advanced Synthesis & …, 2020 - Wiley Online Library
Nitrogen‐containing molecules are the key structural constituent of many pharmaceutical
compounds that play a pivotal role in drug development. Owing to their multifaceted …

Benzannulation strategies for the synthesis of carbazoles, indolocarbazoles, benzocarbazoles, and carbolines

A Banerjee, S Kundu, A Bhattacharyya… - Organic Chemistry …, 2021 - pubs.rsc.org
Nitrogen-containing π-excessive aromatic heterocycles, in particular, carbazoles,
indolocarbazoles, benzocarbazoles, and carbolines have been considered the fundamental …

Recent advances in the synthesis of carbazoles from indoles

T Aggarwal, AK Verma - Organic & Biomolecular Chemistry, 2019 - pubs.rsc.org
Carbazoles are privileged nitrogen heterocycles that are present in a wide range of natural
products, pharmaceuticals, and functional materials. Due to their wide application, various …

Stereoretentive Catalytic [3+ 2]-Cycloaddition/Rearrangement/Decarboxylation Reactions of Indoles with Non-Racemic Donor–Acceptor Cyclopropanes

M Bao, K Lopez, R Gurung, H Arman, MP Doyle - ACS Catalysis, 2023 - ACS Publications
A highly enantioselective synthesis of chiral dihydro-3 H-carbazole-2-carboxylate
derivatives is reported via a “one-pot” cyclopentannulation-rearrangement cascade reaction …

Ring‐Opening 1, 3‐Aminochalcogenation of Donor–Acceptor Cyclopropanes: A Three‐Component Approach

AU Augustin, PG Jones, DB Werz - Chemistry–A European …, 2019 - Wiley Online Library
Abstract A 1, 3‐aminothiolation was realized by reacting 2‐substituted cyclopropane 1, 1‐
dicarboxylates with sulfonamides and N‐(arylthio) succinimides. Under Sn (OTf) 2 catalysis …

New perspectives in the indole ring functionalization using 2‐indolylmethanols

M Petrini - Advanced Synthesis & Catalysis, 2020 - Wiley Online Library
Indolylmethanols have been recently involved in several processes dealing with indole
functionalization. These compounds, upon activation by Brønsted or Lewis acids, generate a …

cis-Selective, Enantiospecific Addition of Donor–Acceptor Cyclopropanes to Activated Alkenes: An Iodination/Michael-Cyclization Cascade

NL Ahlburg, PG Jones, DB Werz - Organic Letters, 2020 - ACS Publications
We present a versatile method for the enantiospecific, cis-diastereoselective intermolecular
and intramolecular cycloaddition of donor–acceptor cyclopropanes to electron-poor alkenes …

One-Pot Au [III]-/Lewis Acid Catalyzed Cycloisomerization of Nitroalkynes and [3+ 3] Cycloaddition with Donor–Acceptor Cyclopropanes

PS Dhote, CV Ramana - Organic letters, 2019 - ACS Publications
A one-pot protocol for the synthesis of a tricyclic pseudoindoxyl scaffold from 2-
nitroalkynylbenzenes, comprising of an Au (III)-catalyzed nitroalkyne cycloisomerization …

Recent approaches to the synthesis of tetrahydrocarbazoles

TY Chaudhari, V Tandon - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
The tetrahydrocarbazole (THC) motif is ubiquitous in natural products and biologically active
compounds. THCs can serve as favorable synthetic intermediates or precursors en-route to …