Conjugate Addition–Enantioselective Protonation of N-Aryl Glycines to α-Branched 2-Vinylazaarenes via Cooperative Photoredox and Asymmetric Catalysis

Y Yin, Y Dai, H Jia, J Li, L Bu, B Qiao… - Journal of the …, 2018 - ACS Publications
An enantioselective protonation strategy has been successfully applied to the synthesis of
chiral α-tertiary azaarenes. With a dual catalytic system involving a chiral phosphoric acid …

Recent advances in the chemistry of 1, 2, 4-oxadiazoles

A Pace, S Buscemi, AP Piccionello, I Pibiri - Advances in Heterocyclic …, 2015 - Elsevier
Oxadiazoles experienced an almost 80-year long period of scientific lethargy before they
tickled the curiosity of chemists. The study of chemical and photochemical reactivity of 1, 2, 4 …

Organic superbases in recent synthetic methodology research

TR Puleo, SJ Sujansky, SE Wright… - Chemistry–A European …, 2021 - Wiley Online Library
Organic superbases are a distinct and increasingly utilized class of Brønsted base that
possess properties complementary to common inorganic bases. This Concept article …

Recent progresses in visible-light-driven alkene synthesis

G Pan-Pan, X Wen-Jing, C Jia-Rong - Chinese Journal of Organic …, 2022 - sioc-journal.cn
Alkenes and their functionalized derivatives represent a versatile class of building blocks in
organic synthesis. The traditional synthetic methods include Wittig olefination, Peterson …

Catalytic asymmetric addition of Grignard reagents to alkenyl-substituted aromatic N-heterocycles

RP Jumde, F Lanza, MJ Veenstra, SR Harutyunyan - Science, 2016 - science.org
Catalytic asymmetric conjugate addition reactions represent a powerful strategy to access
chiral molecules in contemporary organic synthesis. However, their applicability to …

Photoredox-catalyzed branch-selective pyridylation of alkenes for the expedient synthesis of Triprolidine

S Zhu, J Qin, F Wang, H Li, L Chu - Nature Communications, 2019 - nature.com
Alkenylpyridines are important pharmaceutical cores as well as versatile building blocks in
organic synthesis. Heck reaction represents one of the most powerful platform for the …

Bifunctional iminophosphorane catalysed enantioselective sulfa-Michael addition of alkyl thiols to alkenyl benzimidazoles

M Formica, G Sorin, AJM Farley, J Díaz, RS Paton… - Chemical …, 2018 - pubs.rsc.org
The first enantioselective sulfa-Michael addition of alkyl thiols to alkenyl benzimidazoles,
enabled by a bifunctional iminophosphorane (BIMP) organocatalyst, is described. The …

Organocatalytic enantioselective direct additions of aldehydes to 4-vinylpyridines and electron-deficient vinylarenes and their synthetic applications

S Wang, X Li, H Liu, L Xu, J Zhuang, J Li… - Journal of the …, 2015 - ACS Publications
We describe a synergistic catalysis strategy for the asymmetric direct addition of simple
aldehydes to 4-vinylpyridines. By means of independent activation of weakly electrophilic 4 …

Bromine radical enhanced stoichiometric pyridylation of alkylarenes and diarylmethanes at room temperature

QL Wang, H Huang, G Mao, GJ Deng - Organic Chemistry Frontiers, 2023 - pubs.rsc.org
The radical–radical couplings of readily available alkylarenes and diarylmethanes with
cheap and abundant 4-cyanopyridine in a stoichiometric manner at room temperature have …

Highly enantioselective catalytic synthesis of chiral pyridines

RP Jumde, F Lanza, T Pellegrini… - Nature …, 2017 - nature.com
General methods to prepare chiral pyridine derivatives are greatly sought after due to their
significance in medicinal chemistry. Here, we report highly enantioselective catalytic …