He fought at Verona and Magnano in 1799 and received promotion to general officer.

He was a brigadier in Joseph Hélie Désiré Perruquet de Montrichard's division at the Battle of Magnano on 5 April 1799.

His command included 1,000 French soldiers of the 3rd Line Demi-Brigade and 800 men of the 1st Battalion of the 2nd Polish Legion.

Later that evening the Austrians launched a powerful counterattack which recaptured Dossobuono despite strong resistance by Partouneaux's brigade.

[1] In 1812, Partouneaux was appointed commander of the 12th Division, which was part of Marshal Claude Perrin Victor's IX Corps.