Flestolol
![Flestolol synthesis:[2]](/Images/godic/202501/13/Flestolol_synthesis.svg2651.png")
Flestolol is a short-acting beta adrenergic receptor antagonist.
Acylation of glycidol (2) with the acid chloride 1 produces the ester 3. Reaction of that intermediate with amine 4, obtained by reaction of 1,1-dimethylethylenediamine with urea, gives flestolol (5).