A new iron fluoride assisted convenient and efficient strategy for the preparation of 4H-
pyrimido [2, 1-b] benzothiazoles derivatives in solvent-free media is described. The …

The laccase-catalyzed domino reaction between catechols and 6-substituted 1, 2, 3, 4-
tetrahydro-4-oxo-2-thioxo-5-pyrimidinecarbonitriles using aerial O2 as the oxidant delivers …

In this paper, tributyl (carboxymethyl) phosphonium bromotrichloroferrate as a new magnetic
ionic liquid bearing acetic acid tags was synthesized and characterized by several methods …

An environmentally sustainable domino protocol has been presented to synthesize
structurally diverse spiro [benzothiazolo [3, 2-a] pyrimidine-4, 3′-indolines. The synthetic …

A series of novel and highly efficient Lewis acids covalently grafted over sulfonic acid
functionalized carbon@ titania composites were successfully synthesized via sulfonation of …

Two regiodivergent approaches to intermolecular cyclization of 2-aminobenzothiazoles with
β-ketoesters and amides have been developed, controlled by the reagents employed. With …

A rapid, efficient and benign protocol has been developed for the construction of potentially
biologically active furo [2′, 3′: 4, 5] pyrimido [2, 1-b][1, 3] benzothiazole derivatives as …

The present report describes one-pot three-component condensation of isatins,
malononitrile, and 2-hydroxy-4 H-pyrimido [2, 1-b][1, 3] benzothiazol-4-one in water–ethanol …

ABSTRACT A facile and highly efficient protocol was applied successfully to synthesize 4H-
pyrimido [2, 1, b] benzimiazoles and 4H-pyrimido [2, 1, b] benzothiazoles through one-pot …

The protease β-secretase plays a critical role in the synthesis of pathogenic amyloid-β in
Alzheimer's disease. In this study, pharmacophore constructed from receptor-ligand complex …