The present invention concerns mono- or di-substituted indole compounds of formula (I), methods to prevent or treat dengue viral infections by using said compounds and also relates to said compounds for use as a medicine, more preferably for use as a medicine to treat or prevent dengue viral infections. The present invention furthermore relates to pharmaceutical compositions or combination preparations of the compounds, to the compositions or preparations for use as a medicine, more preferably for the prevention or treatment of dengue viral infections. The invention also relates to processes for preparation of the compounds.La presente invención se refiere a compuestos indólicos mono- o disustituidos, a métodos para prevenir o tratar infecciones virales por dengue utilizando dichos compuestos y también se refiere a dichos compuestos para su uso como una medicina, más preferentemente para su uso como una medicina para tratar o prevenir infecciones virales por dengue
