Alternate energy sources for sustainable organic synthesis

B Mandal - ChemistrySelect, 2019 - Wiley Online Library
Organic Chemistry plays an important role in energy, information, materials, population,
health, environment and implementation of defence plan. Organic chemists therefore, have …

Recent applications of potassium carbonate in organic synthesis

R Mondal, AK Mallik - Organic Preparations and Procedures …, 2014 - Taylor & Francis
Alkali metal carbonates (M2CO3) are weak bases and are useful in organic synthesis.
Several recent studies have shown that potassium carbonate (anhydrous or as the …

Synthesis of flavanones by use of anhydrous potassium carbonate as an inexpensive, safe, and efficient basic catalyst

R Mondal, AD Gupta, AK Mallik - Tetrahedron Letters, 2011 - Elsevier
Anhydrous potassium carbonate has been utilized as an inexpensive, safe, and efficient
basic catalyst for the synthesis of flavanones starting either from 2′-hydroxychalcones or …

Fast, easy, solvent-free, microwave-promoted Michael addition of anilines to α, β-unsaturated alkenes: synthesis of N-aryl functionalized β-amino esters and acids

KM Amore, NE Leadbeater, TA Miller, JR Schmink - Tetrahedron letters, 2006 - Elsevier
The rapid, simple, microwave-promoted synthesis of N-aryl functionalized β-amino esters
using Michael addition reactions is presented. Reactions are performed neat at 200° C for …

An efficient domino reaction in ionic liquid: synthesis and biological evaluation of some pyrano-and thiopyrano-fused heterocycles

NJ Parmar, RA Patel, BD Parmar… - Bioorganic & medicinal …, 2013 - Elsevier
An improved domino/Knoevenagel-hetero-Diels–Alder reaction of two new aldehyde
substrates; 7-olefinoxy-coumarin-8-carbaldehyde and 2-alkensulfanyl-quinoline-3 …

Cu(OAc)2-Triggered Cascade Reaction of Malonate-Tethered Acyl Oximes with Indoles, Indole-2-alcohols, and Indole-2-carboxamides

PF Mao, LJ Zhou, AQ Zheng, CB Miao, HT Yang - Organic letters, 2019 - ACS Publications
A Cu (OAc) 2-promoted cascade reaction of malonate-tetherd acyl oximes with indoles,
indole-2-alcohols, or indole-2-carboxmides provides facile access to polysubstituted 3 …

One-pot efficient pseudo-five-components synthesis of 4,4′-(arylmethylene)bis(3-methyl-1-phenyl-1H-pyrazol-5-ols) at room temperature assisted by K2CO3

D Banerjee, R Karmakar, U Kayal… - Synthetic …, 2017 - Taylor & Francis
ABSTRACT A convenient approach for the synthesis of 4, 4′-(arylmethylene)-bis (3-methyl-
1-phenyl-1 H-pyrazol-5-ols) by an efficient one-pot reaction of aromatic aldehydes …

On the effect of microwave energy on lipase-catalyzed polycondensation reactions

A Pellis, GM Guebitz, TJ Farmer - Molecules, 2016 - mdpi.com
Microwave energy (MWe) is, nowadays, widely used as a clean synthesis tool to improve
several chemical reactions, such as drug molecule synthesis, carbohydrate conversion and …

Reaction of ethyl acetoacetate and 2′-hydroxychalcones: efficient route to 9-aryl-6H-benzo [c] chromen-6-ones

IB Masesane, O Mazimba - Bulletin of the Chemical Society of Ethiopia, 2014 - ajol.info
The reaction of ethyl acetoacetate and 2′-hydroxychalcones under atmospheric air to
furnish a series of functionalized 6H-benzo [c] chromen-6-ones in moderate yields is …

In situ formed acetals facilitated direct Michael addition of unactivated ketones

SR Koppolu, R Balamurugan - New Journal of Chemistry, 2017 - pubs.rsc.org
TfOH-promoted synthesis of 1, 5-diketones by the Michael reaction of unactivated ketones
with chalcones has been described. Acetals formed under HC (OMe) 3/TfOH conditions …