Organocatalytic Enantioselective Friedel‐Crafts Alkylation Reactions of Pyrroles

D Gaviña, M Escolano, J Torres… - Advanced Synthesis …, 2021 - Wiley Online Library
Substituted and annulated pyrroles containing chiral centers are potentially accessible by
means of an organocatalytic enantioselective Friedel‐Crafts alkylation (FCA) reaction. They …

Recent advances in metal‐and organocatalyzed asymmetric functionalization of pyrroles

B Borah, KD Dwivedi… - Asian Journal of Organic …, 2021 - Wiley Online Library
The wide occurrence of pyrroles in natural products and pharmaceuticals calls for novel
synthetic methodologies for the efficient synthesis of enantiopure pyrroles. Owing to their …

Catalytic asymmetric Friedel–Crafts alkylation of unprotected indoles with nitroalkenes using a novel chiral Yb(OTf)3–pybox complex

B Karimi, E Jafari, F Mansouri, M Tavakolian - Scientific Reports, 2023 - nature.com
Chiral chloro-indeno pybox has served as a new ligand for the Yb (OTf) 3-catalyzed
asymmetric Friedel–Crafts alkylation reaction of indoles with nitroalkenes. The tunable …

Organometal-catalyzed asymmetric Friedel-Crafts reactions

MM Heravi, V Zadsirjan, B Masoumi… - Journal of Organometallic …, 2019 - Elsevier
Abstract The Friedel-Crafts alkylation (F-CA) reaction is a distinct sort of Csingle bondC
bond formations. It is often used for the formation of Csingle bondC bonds to aromatic rings …

Enantioselective Friedel–Crafts Alkylation of Pyrrole with Chalcones Catalyzed by a Dinuclear Zinc Catalyst

YZ Hua, XW Han, XC Yang, X Song… - The Journal of …, 2014 - ACS Publications
A highly enantioselective Friedel–Crafts (F–C) alkylation of pyrrole with a wide range of
simple nonchelating chalcone derivatives catalyzed by a chiral (Zn2EtL) n (L=(S, S)-1) …

Organocatalyzed Asymmetric Friedel‐Crafts Reactions: An Update

MM Heravi, V Zadsirjan, M Heydari… - The Chemical …, 2019 - Wiley Online Library
Abstract The Friedel‐Crafts alkylation (F‐CA) reaction is a special kind of carbon− carbon
bond formations, which is frequently being used for the formation of such bond in some …

Enantioselective Friedel-Crafts alkylation of indole with nitroalkenes in the presence of bifunctional squaramide organocatalysts

E Dündar, C Tanyeli - Tetrahedron Letters, 2021 - Elsevier
A series of chiral bifunctional quinine and 2-aminoDMAP based squaramide
organocatalysts are evaluated in Friedel-Crafts alkylation of indoles with nitroolefins. These …

Synthesis and practical applications of 2-(2-nitroalkyl) pyrroles

A Palmieri, M Petrini - Organic & Biomolecular Chemistry, 2020 - pubs.rsc.org
Functionalization of pyrroles introducing a 2-nitroalkyl moiety allows the formation of nitro-
containing compounds to be used as pivotal intermediates for the synthesis of bioactive …

Synthesis of chiral systems featuring the pyrrole unit: a review

JW Campbell, MJ Cotnam, FR Annan… - Chemical …, 2024 - pubs.rsc.org
Synthetic strategies towards pyrroles within chiral frameworks are summarised, focussing on
reports published 2010–2023. The synthesis of pyrroles featuring substituents bearing chiral …

Enantioselective β-alkylation of pyrroles with the formation of an all-carbon quaternary stereocenter

Q Ma, L Gong, E Meggers - Organic Chemistry Frontiers, 2016 - pubs.rsc.org
A substitutionally and configurationally inert octahedral chiral-at-metal iridium complex is
reported to be an efficient catalyst for the enantioselective Friedel–Crafts alkylation of 2, 5 …