Rhamnus alaternus, is a wild-growing shrub, belonging to the Rhamnaceae family. Widely
distributed in the Mediterranean basin, R. alaternus is used in the usual medicine in …

Abstract New annulated pyrano [2, 3-d] pyrimidine derivatives were synthesized with
hydroxyl, methoxy, bromine, nitrile and nitro substituents on its skeleton. The correlated …

The clinical significance of pyran and pyrimidine condensed systems and the raise in
problem of multidrug resistant bacterial pathogens has directed us to synthesize …

A versatile, efficient, clean, and facile method was used for the synthesis of pyrano [2, 3‐d]
pyrimidine derivatives by the one‐pot three‐component condensation reaction of …

This study aims to synthesize a new series of furochromone derivatives, evaluate their
antimicrobial properties, and improve the permeability of potent compounds to inhibit …

This paper describes the direct synthesis of carboxamide-functionalized nano NaY zeolite
(CBA-Ze) to develop a new high-functionality nanocatalyst in one pot process. This surface …

An efficient enantioselective synthesis of spiro [indoline-3, 4′-pyrano [2, 3-c] pyrazole]
derivatives by a cascade reaction between pyrazolones and isatylidene malononitriles is …

A simple, effective and ecofriendly biocatalytic method has been developed to construct 2-
amino-4H-pyrans via tandem multi-component reaction (MCR) of aldehyde, malononitrile …

Publisher Summary This chapter reviews the syntheses and reactions of 6-membered
heterocyclic ring systems, such as diazines and benzo derivatives. The diazines pyridazine …

Two series of compounds namely, 4-aryl/heteroaryl hydrazino-3-acetyl-6-methyl-2H-pyran-2-
ones (4a–4j) and pyrano [4, 3-c] pyrazoles (6a–6e and 6g) were synthesized starting from 3 …