Green chemistry meets asymmetric organocatalysis: a critical overview on catalysts synthesis

A Antenucci, S Dughera, P Renzi - ChemSusChem, 2021 - Wiley Online Library
Can green chemistry be the right reading key to let organocatalyst design take a step
forward towards sustainable catalysis? What if the intriguing chemistry promoted by more …

[HTML][HTML] Applications of Friedel–Crafts reactions in total synthesis of natural products

MM Heravi, V Zadsirjan, P Saedi, T Momeni - RSC advances, 2018 - pubs.rsc.org
Over the years, Friedel–Crafts (FC) reactions have been acknowledged as the most useful
and powerful synthetic tools for the construction of a special kind of carbon–carbon bond …

When asymmetric aminocatalysis meets the vinylogy principle

ID Jurberg, I Chatterjee, R Tannert… - Chemical …, 2013 - pubs.rsc.org
Over the past decade, asymmetric aminocatalysis has become a reliable synthetic platform
for generating stereogenic centres at the α and β positions of unmodified carbonyl …

Enantioselective direct α-alkylation of cyclic ketones by means of photo-organocatalysis

E Arceo, A Bahamonde, G Bergonzini… - Chemical Science, 2014 - pubs.rsc.org
We report here the first asymmetric catalytic alkylation of unmodified ketones with alkyl
halides. This metal-free approach, which requires light in order to proceed, provides a rare …

Membrane-grafted asymmetric organocatalyst for an integrated synthesis–separation platform

C Didaskalou, J Kupai, L Cseri, J Barabas, E Vass… - ACS …, 2018 - ACS Publications
In this work we introduce a sustainable membrane-based synthesis–separation platform for
enantioselective organocatalysis. An azido derivatized cinchona-squaramide bifunctional …

Remote Control of Axial Chirality: Aminocatalytic Desymmetrization of N-Arylmaleimides via Vinylogous Michael Addition

N Di Iorio, P Righi, A Mazzanti… - Journal of the …, 2014 - ACS Publications
Remote control of the axial chirality of N-(2-t-butylphenyl) succinimides was realized via the
vinylogous Michael addition of 3-substituted cyclohexenones to N-(2-t-butylphenyl) …

Enantioselective Organocatalytic Diels–Alder Trapping of Photochemically Generated Hydroxy‐o‐Quinodimethanes

L Dell'Amico, A Vega‐Peñaloza… - Angewandte Chemie …, 2016 - Wiley Online Library
Abstract The photoenolization/Diels–Alder strategy offers straightforward access to
synthetically valuable benzannulated carbocyclic products. This historical light‐triggered …

Control of remote stereochemistry in the synthesis of spirocyclic oxindoles: vinylogous organocascade catalysis

X Tian, P Melchiorre - Angewandte Chemie International Edition, 2013 - infona.pl
Remote control: The title reaction facilitates the synthesis of complex chiral molecules while
selectively forging multiple stereocenters at distant positions, namely five and six bond …

Catalytic Enantioselective Addition of Indoles to Activated N-Benzylpyridinium Salts: Nucleophilic Dearomatization of Pyridines with Unusual C-4 Regioselectivity

G Bertuzzi, A Sinisi, L Caruana, A Mazzanti… - ACS …, 2016 - ACS Publications
The catalytic enantioselective dearomatization of pyridines with nucleophiles represents a
direct and convenient access to highly valuable dihydropyridines. Available methods, mostly …

Sulfoxonium Ylides in Aminocatalysis: An Enantioselective Entry to Cyclopropane-Fused Chromanol Structures

GD Bisag, P Pecchini, M Mancinelli, M Fochi… - Organic …, 2022 - ACS Publications
The 1, 1a, 2, 7b-tetrahydrocyclopropa [c] chromene, arising from fusion of chromane and
cyclopropane rings is the core of medicinally relevant compounds. Engaging sulfoxonium …