300701-85-3

Upstream product

• 126-81-8 dimedone 
• 100-83-4 meta-hydroxybenzaldehyde 
• 109-77-3 malononitrile 
• 7255-96-1 2-(3-hydroxybenzylidene)malononitrile 
• 2235-08-7 Propargyl nitrile 

Relevant academic research and scientific papers

One-pot synthesis of 2-amino-3-cyano-4-arylsubstituted tetrahydrobenzo[b] pyrans catalysed by silica gel-supported polyphosphoric acid (PPA-SiO 2) as an efficient and reusable catalyst

A convenient method for the synthesis of tetrahydrobenzo[b]pyrans by a one-pot three-component cyclocondensation of dimedone, aryl aldehydes, and malononitrile in water using silica gel-supported polyphosphoric acid (PPA-SiO2) as an efficient a

An eco-friendly innovative halide and metal-free basic ionic liquid catalyzed synthesis of tetrahydrobenzo [b] pyran derivatives in aqueous media: A sustainable protocol

A novel imidazolium-based highly efficient, recoverable, and reusable basic ionic liquid [PEMIM][OH] was synthesized using a very simple approach. This ionic liquid was employed as a catalyst for the multicomponent synthesis of tetrahydrobenzo[b]pyran der

Magnetized melamine-modified polyacrylonitrile (PAN@melamine/Fe3O4) organometallic nanomaterial: Preparation, characterization, and application as a multifunctional catalyst in the synthesis of bioactive dihydropyrano [2,3-c]pyrazole

An efficient magnetic polymer-based nanomaterial was prepared in three main steps including synthesis of polyacrylonitrile (PAN), modification of PAN with melamine, and magnetization of the PAN@melamine compound by in situ construction of Fe3O

Ionic liquids containing plant derived benzoate as anions, exhibiting supramolecular polymeric aggregation: Impact of the aggregation on organic catalysis in aqueous medium

Naturally occurring benzoic acid (BA) derived anions have been used to prepare halogen free hydrophilic ionic liquids (ILs 1–4). The supramolecular polymeric aggregation behaviour of these ILs has been studied through high-resolution electron spray ioniza

An approach to the synthesis and characterization of HMS/Pr-Rh-Zr as efficient catalyst for synthesis of tetrahydrobenzo[b]pyran and 1,4-dihydropyrano[2,3-c]pyrazole derivatives

The aim of present investigation is the synthesis of mesoporous catalyst based on hexagonal mesoporous silica. HMS support has exceptional properties such as easy synthesis, high surface area, large pore volume and wormhole pores. These distinctive charac

Rapid and green synthesis of 4H-benzo[b]pyrans using triethanolamine as an efficient homogeneous catalyst under ambient conditions

4H-benzo[b]pyrans were obtained rapidly in high yields using triethanolamine as an efficient, eco-friendly and low-cost basic catalyst. One-pot three-component condensation reaction of a series of aldehydes, malononitrile and 1,3-diketones was performed a

Horsetail plant (Equisetum arvense) and horsetail plant ash: application and comparison of their catalytic activities as novel and natural porous lewis acid catalysts for the one-pot green synthesis of 2-amino-4H-chromene derivatives under solvent-free co

This study aims to use a new medicinal porous plant having a high content of silica known as horsetail and horsetail ash for the first time as novel, efficient, and environmentally friendly natural mild catalysts. The structure of these catalysts was char

Convenient and fast synthesis of various chromene pharmaceuticals assisted by highly porous volcanic micro-powder with nanoscale diameter porosity

Herein, a volcanic-based mesoporous catalytic system is precisely characterized by various analytical methods and suitably used for facilitating the organic synthesis reactions. Briefly, high reaction yield (99percent) has been obtained in short reaction

Synthesis of a novel bifunctional oxyammonium-based ionic liquid: Application for the synthesis of pyrano[4,3-b]pyrans and tetrahydrobenzo[b]pyrans

In the present investigation, a novel bifunctional oxyammonium-based ionic liquid, namely, 2,2′-(ethane-1,2-diylbis[oxy])bis(ethan-1-aminium)-2,2,2-trifluoroacetate, was designed and synthesized. The structure of the titled ionic liquid was characterized

Preparation and characterization of MNPs–PhSO3H as a heterogeneous catalyst for the synthesis of benzo[b]pyran and pyrano[3,2-c]chromenes

In this study, an efficient and novel procedure has been reported for loading sulfanilic acid on the surface of magnetite Fe3O4 nanoparticles using tris(hydroxymethyl) aminomethane and 1,2-dichloroethane. Next, the synthesized nanoca