Heterocyclic compounds incorporated with a pyranopyrimidine skeleton have received
substantial consideration owing to their privileged, and intelligible biodiversity. Accordingly …

The recent advancements in utilizing organocatalysts for the synthesis of organic
compounds have been described in this review by focusing on their simplicity, effectiveness …

Waste biomass derived heterogeneous catalyst is an excellent alternative to chemically
synthesized catalysts. In this work, calcined Tectona grandis leaves were proposed as an …

An ecofriendly, inexpensive, and efficient route for synthesizing 3, 3′-bis (indolyl) methanes
(BIMs) and their derivatives was carried out by an electrophilic substitution reaction of indole …

The pyranopyrimidine core is a key precursor for medicinal and pharmaceutical industries
due to its broader synthetic applications as well as its bioavailability. Among its four possible …

In this article, the preparation of bis-imidazolium hydrogen sulfate and bis-imidazolium
perchlorate as two new bis-dicationic Brönsted acidic ionic liquids based on imidazole is …

A convenient, one‐pot multi‐component methodology was developed for the preparation of
tetrahydro‐4H‐chromene and dihydropyrano [c] chromene derivatives as important …

Modern synthetic chemistry encompasses the challenge of establishing sustainable, cost-
effective reaction alternatives that prevent waste and pollution and here, catalysis plays a …

In this work and for the first time, the preparation of bis-[(3-aminopropyl) triethoxysilane]
dichloride immobilized on magnetic nano γ-Fe 2 O 3@ SiO 2 via the reaction of two …

Developing solid-free nanoemulsions with pH responsiveness is desirable in enhanced oil
recovery (EOR) applications. Here, we report the synthesis of an interfacial activity …