Slight modifications to the chemical structure of xanthines can be used ... and an N-heterocyclic carbene ligand derived from caffeine or theophylline with ruthenium (a low-toxicity metal from ...

Theophylline or THO is a natural organic compound whose molecular structure is very similar to that of caffeine present in coffee and cacao. Over the years, due to its therapeutic properties ...

IN the course of an investigation of the structure of glucuronic acid, we have obtained results which clearly prove that this acid, like the related hexose d-glucose, possesses a pyranoid structure.