Calix [n] arenes and its derivatives as organocatalysts

G Sachdeva, D Vaya, CM Srivastava, A Kumar… - Coordination Chemistry …, 2022 - Elsevier
Small organic compounds that replicate the actions of enzymes and inorganic catalysts are
known as organocatalysts. They have the benefit of being inexpensive, less toxic, and …

p-Sulfonic acid calix [n] arene catalyzed synthesis of bioactive heterocycles: a review

B Banerjee, G Kaur, N Kaur - Current Organic Chemistry, 2021 - ingentaconnect.com
Metal-free organocatalysts are becoming an important tool for the sustainable development
of various bioactive heterocycles. On the other hand, during the last two decades, calix [n] …

Quinolines: Microwave-assisted synthesis and their antifungal, anticancer and radical scavenger properties

NA Liberto, JB Simões, S de Paiva Silva… - Bioorganic & medicinal …, 2017 - Elsevier
An efficient method for the synthesis of quinolines using microwave irradiation was
developed providing 28 quinolines with good yields. The reaction procedures are …

Alternative approaches for the aqueous–organic biphasic hydroformylation of higher alkenes

L Obrecht, PCJ Kamer, W Laan - Catalysis Science & Technology, 2013 - pubs.rsc.org
The biphasic hydroformylation of linear alkenes using the Rh–TPPTS catalyst system is one
of the cornerstones of aqueous biphasic catalysis, but due to mass-transfer limitations its …

Calix[n]arene-Catalyzed Three-Component Povarov Reaction: Microwave-Assisted Synthesis of Julolidines and Mechanistic Insights

PAS Abranches, WF de Paiva… - The Journal of …, 2018 - ACS Publications
A new one-pot cascade reaction-based application of Povarov reactions with ap-sulfonic
acid calix [4] arene catalyst for the synthesis of a series of 34 julolidine derivatives with …

Calixarene: a versatile material for drug design and applications

MA Hussain, MU Ashraf, G Muhammad… - Current …, 2017 - ingentaconnect.com
The therapy of various diseases by the drugs entrapped in calixarene derivatives is gaining
attraction of researchers nowadays. Calixarenes are macrocyclic nano-baskets which …

[HTML][HTML] Recent applications of chiral calixarenes in asymmetric catalysis

M Durmaz, E Halay, S Bozkurt - Beilstein Journal of Organic …, 2018 - beilstein-journals.org
The use of calixarenes in asymmetric catalysis is receiving increasing attention due to their
tunable three-dimensional molecular platforms along with their easy syntheses and versatile …

p-Sulfonic acid calix [4] arene: A highly efficient organocatalyst for dehydration of fructose to 5-hydroxymethylfurfural

SPS Pereira, JOS Varejão, Â de Fátima… - Industrial Crops and …, 2019 - Elsevier
Biomass is an attractive renewable source of carbon since it has a huge potential as a
substituent of the scarce fossil fuels and has been widely exploited to obtain important …

One-pot tandem synthesis of 5-ethoxymethylfurfural as a potential biofuel

GAD Castro, SA Fernandes - Reaction Chemistry & Engineering, 2023 - pubs.rsc.org
5-Ethoxymethylfurfural (EMF) is a potential biofuel, fuel additive and raw material in the
chemical and beverage industry. It can be obtained from the etherification of 5 …

The use of p-sulfonic acid calix [4] arene as organocatalyst for pretreatment of sugarcane bagasse increased the production of levoglucosan

GF David, AM Ríos-Ríos, Â de Fátima, VH Perez… - Industrial Crops and …, 2019 - Elsevier
This paper presents a novel method for the production of a biomass-derived chemical
platform, levoglucosan (LGA), from sugarcane bagasse via pretreatment with an …