Chiral sulfide and selenide catalysts for asymmetric halocyclizations and related reactions

R Nishiyori, T Mori, K Okuno… - Organic & Biomolecular …, 2023 - pubs.rsc.org
Asymmetric organocatalysis using well-designed artificial chiral molecular catalysts is one of
the most reliable methods to create important chiral compounds in a highly enantioenriched …

Recent Advances in Catalytic Asymmetric Syntheses of Functionalized Heterocycles via Halogenation/Chalcogenation of Carbon‐Carbon Unsaturated Bonds

S Liu, BQ Zhang, WY Xiao, YL Li… - Advanced Synthesis & …, 2022 - Wiley Online Library
Abstract Halogen (fluorine, chlorine, bromine, iodine) or chalcogen (sulfur, selenium)‐
containing heterocycles are widely recognized as key building blocks in many natural …

Catalytic atroposelective synthesis of axially chiral benzonitriles via chirality control during bond dissociation and CN group formation

Y Lv, G Luo, Q Liu, Z Jin, X Zhang, YR Chi - Nature Communications, 2022 - nature.com
The applications of axially chiral benzonitriles and their derivatives remain mostly
unexplored due to their synthetic difficulties. Here we disclose an unusual strategy for …

A catalytic asymmetric hydrolactonization

R Maji, S Ghosh, O Grossmann, P Zhang… - Journal of the …, 2023 - ACS Publications
Despite recent advancements in the development of catalytic asymmetric electrophile
induced lactonization reactions of olefinic carboxylic acids, the archetypical …

A catalyst-controlled enantiodivergent bromolactonization

YC Chan, X Wang, YP Lam, J Wong… - Journal of the …, 2021 - ACS Publications
A catalyst-controlled enantiodivergent bromolactonization of olefinic acids has been
developed. Quinine-derived amino-amides bearing the same chiral core but different achiral …

Arylcyclopropane yet in its infancy: the challenges and recent advances in its functionalization

IM Taily, D Saha, P Banerjee - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
Electronically unbiased arylcyclopropane functionalization has always been a challenge to
organic chemists, and the emergence of donor–acceptor cyclopropanes (DACs) has not …

Catalytic enantioselective iodolactonization reactions

R Kristianslund, JE Tungen, TV Hansen - Organic & Biomolecular …, 2019 - pubs.rsc.org
The halolactonization reaction is a useful chemical transformation for the construction of
lactones from γ-or δ-substituted alkenoic carboxylic acids or carboxylic esters. Traditionally …

Based on MFe2O4 (M=Co, Cu, and Ni): Magnetically recoverable nanocatalysts in synthesis of heterocyclic structural scaffolds

M Kazemi - Synthetic Communications, 2020 - Taylor & Francis
Catalysis research under magnetically recoverable nanocatalysts is a well-known topic in
organic synthesis. In recent times, catalysis research has clearly experienced a renaissance …

Design of Chiral Bifunctional Dialkyl Sulfide Catalysts for Regio‐, Diastereo‐, and Enantioselective Bromolactonization

R Nishiyori, A Tsuchihashi, A Mochizuki… - … A European Journal, 2018 - Wiley Online Library
Although a wide variety of chiral organocatalysts have been developed for asymmetric
transformations, effective chiral dialkyl sulfide organocatalysts remain relatively rare and …

Recent developments in enantioselective organocatalytic cascade reactions for the construction of halogenated ring systems

A Maria Faisca Phillips… - European Journal of …, 2021 - Wiley Online Library
Chiral halogenated substances have many applications in pharmaceuticals, agrochemicals,
and materials, such as polymers, liquid crystals and as intermediates in synthesis. The …