Dugua was in charge of Napoleon's fifth division during the French invasion of Egypt and Syria, replacing the wounded General Kléber.
He was sent by Napoleon to El Rahmaniya (Rahmanié) with Joachim Murat, stopping at Rosetta on the way.
On 6 July 1798, Napoleon in a letter stated that Dugua was present in Rosetta.
[1] Later during the uprising in Cairo, Dugua was responsible for the execution and decapitation of over 3000 Egyptians.
[citation needed] His is one of the names inscribed under the Arc de Triomphe.