Recent advances in the catalytic functionalization of “electrophilic” indoles

A Cerveri, M Bandini - Chinese Journal of Chemistry, 2020 - Wiley Online Library
When “dark” is bright: the scarcely explored electrophilic profile of the indolyl core (dark‐
side) continues to inspire developments in organic synthesis by means of new catalytic …

Electrochemical dearomative 2, 3-difunctionalization of indoles

J Wu, Y Dou, R Guillot, C Kouklovsky… - Journal of the American …, 2019 - ACS Publications
We report the use of electrochemistry to perform a direct oxidative dearomatization of
indoles leading to 2, 3-dialkoxy or 2, 3-diazido indolines under undivided conditions at a …

Radical-mediated dearomatization of indoles with sulfinate reagents for the synthesis of fluorinated spirocyclic indolines

D Ryzhakov, M Jarret, R Guillot, C Kouklovsky… - Organic …, 2017 - ACS Publications
The dearomative introduction of trifluoromethyl and 1, 1-difluoroethyl radicals, generated
from their corresponding sulfinate salts, into the C2 position of indole derivatives allows the …

Dearomatization reactions of indoles to access 3D indoline structures

H Abou-Hamdan, C Kouklovsky, G Vincent - Synlett, 2020 - thieme-connect.com
This Account summarizes our involvement in the development of dearomatization reactions
of indoles that has for origin a total synthesis problematic. We present the effort from our …

Preparation of hollow mesoporous boron nitride spheres with surface decorated by CuO: A bifunctional acid-base catalyst for the green synthesis of some heterocyclic …

M Zare, L Moradi - Applied Surface Science, 2022 - Elsevier
In this study, we try to develop an effective route to the preparation of hollow mesoporous
boron nitride spheres (HMBNS) with surface decorated by CuO for the synthesis of some …

Dearomative Diallylation of N-Acylindoles Mediated by FeCl3

J Wu, RK Nandi, R Guillot, C Kouklovsky… - Organic letters, 2018 - ACS Publications
Three-dimensional indolines possessing two contiguous-stereogenic centers were obtained
stereoselectively via the FeCl3-mediated dearomative introduction of two allyl groups to N …

FeCl3-Promoted Annulation of 2-Haloindoles: Switchable Synthesis of Spirooxindole-chromeno[2,3-b]indoles and Spirooxindole-chromeno[3,2-b]indoles

M Luo, X Zhu, R Liu, S Yu, W Wei - The Journal of Organic …, 2020 - ACS Publications
Electrophilic indoles bearing a leaving group at C2 undergo C3-regioselective dearomative
hydroaryloxylation and subsequent 1, 2-tertiary alkyl migration/aromatization. This is the first …

Divergent Oxidative Couplings between Indoles and 2, 3-Dihydroxybenzoic Acid Derivatives for the Biomimetic Synthesis of Voacalgine A and Bipleiophylline

N Denizot, D Lachkar, C Kouklovsky, E Poupon… - …, 2018 - thieme-connect.com
The present feature article details our endeavors towards the synthesis of the highly intricate
bisindole alkaloid bipleiophylline and its biosynthetic precursor voacalgine A: from the …

Synthesis of polycyclic indolines by utilizing a reduction/cyclization cascade reaction

J Zhang, W Xia, M Qu, S Huda, JS Ward… - European Journal of …, 2021 - Wiley Online Library
Subsequent reduction and dearomatizing cyclization reactions open up an entry into the
synthesis of novel N‐fused polycyclic indolines. The dearomatizing cyclization as key step of …

Iron(III) Chloride as a Mild Catalyst for the Dearomatizing Cyclization of N-Acylindoles

J Zhang, J Li, JS Ward, KN Truong… - The Journal of …, 2020 - ACS Publications
A catalytic approach for the preparation of indolines by dearomatizing cyclization is
presented. FeCl3 acts as a catalyst to afford tetracyclic 5a, 6-dihydro-12 H-indolo [2, 1-b][1 …