Amaryllidaceae and Sceletium alkaloids

Z Jin - Natural Product Reports, 2009 - pubs.rsc.org
Covering: July 2006 to June 2008. Previous review: Nat. Prod. Rep., 2007, 24, 886–905.
Alkaloids from the plants of Amaryllidaceae family consist of an unique class of nitrogen …

Quantification and theoretical analysis of the electrophilicities of Michael acceptors

DS Allgäuer, H Jangra, H Asahara, Z Li… - Journal of the …, 2017 - ACS Publications
In order to quantify the electrophilic reactivities of common Michael acceptors, we measured
the kinetics of the reactions of monoacceptor-substituted ethylenes (H2C CH-Acc, 1) and …

[HTML][HTML] Quinolin-4-ones: Methods of Synthesis and Application in Medicine

K Gach-Janczak, J Piekielna-Ciesielska, J Waśkiewicz… - Molecules, 2025 - mdpi.com
Quinolinones, also called quinolones, are a group of heterocyclic compounds with a broad
spectrum of biological activities. These compounds occur naturally in plants and …

Alkylidene Dihydropyridines Are Surrogates for Pyridylic Anions in the Conjugate Addition to α, β-Unsaturated Ketones

J Shi, A Sayyad, D Fishlock, A Orellana - Organic Letters, 2021 - ACS Publications
We show that alkylidene dihydropyridines, readily prepared from 4-alkylpyridines, behave
as soft nucleophiles toward a range of α, β-unsaturated ketones under the influence of silyl …

Continuous‐Flow Synthesis of β‐Ketoesters and Successive Reactions in One‐Flow using Heterogeneous Catalysis

M Kandasamy, H Ishitani… - Advanced Synthesis & …, 2022 - Wiley Online Library
A continuous‐flow procedure for the synthesis of β‐ketoesters has been developed through
Roskamp reaction between aldehydes and diazoesters in the presence of a Sn‐MCM‐41 …

Substituted isoquinoline and isoquinolinone derivatives

O Plettenburg, A Hofmeister, J Goerlitzer… - US Patent …, 2014 - Google Patents
US8748614B2 - Substituted isoquinoline and isoquinolinone derivatives - Google Patents
US8748614B2 - Substituted isoquinoline and isoquinolinone derivatives - Google Patents …

The Krapcho Dealkoxycarbonylation Reaction of Esters with α‐Electron‐Withdrawing Substituents

A Paul Krapcho, E Ciganek - Organic Reactions, 2004 - Wiley Online Library
The Krapcho reaction involves esters with α‐electron‐withdrawing substituents such as
malonates, β‐keto esters, and α‐cyano esters, which undergo dealkoxycarbonylation on …

Linear not cyclic–unravelling an anionic initiation pathway for Lewis pair polymerization of lactones

V Nieboer, N Fanjul-Mosteirín, P Olsén, K Odelius - Polymer Chemistry, 2023 - pubs.rsc.org
Zwitterionic Lewis pair (LP) catalysis is potent towards the polymerization of lactone
monomers to form cyclic polymers. In pursuit of faster polymerization kinetics, the use of …

Regioselective Coupling of Different Conjugate Esters by Magnesium Metal Reduction: A Route to Unsymmetrical Adipic Acid Esters

T Zhang, J Zhang, A Mori, T Morii… - The Journal of …, 2023 - ACS Publications
A novel tactic to synthesize unsymmetrical 3-aryladipic acid esters has been developed via
magnesium-promoted reductive coupling of ethyl cinnamates with methyl acrylate. In the …

Stable Axially Chiral Cyclohexylidenes from Catalytic Asymmetric Knoevenagel Condensation

M Ying, K Wang, W Yan, M Pu… - Chemistry–A European …, 2024 - Wiley Online Library
Axially chiral cycloalkylidenes are interesting but less developedaxially chiral molecules.
Here, a bispidine‐based chiral amine catalytic system was developed to promote efficiently …