Biologically active γ-lactams: synthesis and natural sources

J Caruano, GG Muccioli, R Robiette - Organic & biomolecular …, 2016 - pubs.rsc.org
The γ-lactam moiety is present in a large number of natural and non-natural biologically
active compounds. The range of biological activities covered by these compounds is very …

Advances in chemistry and bioactivity of parthenolide

RRA Freund, P Gobrecht, D Fischer… - Natural product reports, 2020 - pubs.rsc.org
Review covering up to 07/2019 (−)-Parthenolide is a germacrane sesquiterpene lactone,
available in ample amounts from the traditional medical plant feverfew (Tanacetum …

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 …

Asymmetric α‐allylation of glycinate with switched chemoselectivity enabled by customized bifunctional pyridoxal catalysts

J Ma, B Gao, G Song, R Zhang, Q Wang… - Angewandte …, 2022 - Wiley Online Library
Owing to the strong nucleophilicity of the NH2 group, free‐NH2 glycinates react with MBH
acetates to usually deliver N‐allylated products even in the absence of catalysts. Without …

Electrophilic reactivities of cyclic enones and α, β-unsaturated lactones

RJ Mayer, PWA Allihn, N Hampel, P Mayer… - Chemical …, 2021 - pubs.rsc.org
The reactivities of cyclic enones and α, β-unsaturated lactones were characterized by
following the kinetics of their reactions with colored carbon-centered reference nucleophiles …

Phosphine‐Catalyzed Asymmetric Umpolung Addition of Trifluoromethyl Ketimines to Morita–Baylis–Hillman Carbonates

P Chen, Z Yue, J Zhang, X Lv, L Wang… - Angewandte …, 2016 - Wiley Online Library
A novel phosphine‐catalyzed, highly enantioselective umpolung addition of trifluoromethyl
ketimines to Morita–Baylis–Hillman carbonates was developed and it provides facile access …

The role of oxidative stress in anticancer activity of sesquiterpene lactones

K Gach, A Długosz, A Janecka - Naunyn-Schmiedeberg's archives of …, 2015 - Springer
Sesquiterpene lactones (SLs) are plant-derived compounds that are abundant in plants of
the Asteraceae family and posses a broad spectrum of biological activities, ranging from anti …

An overview of NRF2-activating compounds bearing α, β-unsaturated moiety and their antioxidant effects

MC Egbujor, B Buttari, E Profumo… - International Journal of …, 2022 - mdpi.com
The surge of scientific interest in the discovery of Nuclear Factor Erythroid 2 (NFE2)-Related
Factor 2 (NRF2)-activating molecules underscores the importance of NRF2 as a therapeutic …

Catalytic Access to Chiral δ‐Lactams via Nucleophilic Dearomatization of Pyridine Derivatives

S Somprasong, MC Reis… - Angewandte Chemie, 2023 - Wiley Online Library
Nitrogen‐bearing rings are common features in the molecular structures of modern drugs,
with chiral δ‐lactams being an important subclass due to their known pharmacological …

Asymmetric Synthesis of α‐Methylene‐γ‐Butyrolactones via Tandem Allylboration/Lactonization: a Kinetic Resolution Process

Z Tan, L Chen, L Li, Y Li, Y Luo, F Wang… - Angewandte …, 2023 - Wiley Online Library
The α‐methylene‐γ‐butyrolactone motif is a widely encountered unit in many natural
products and pharmaceutical compounds. Herein, a practical and efficient synthesis of α …