Appointed French Ambassador to The Porte on 12 April 1806, and gaining his post on 10 August,[REF] he attempted to convince Sultan Selim III to exclude the Royal Navy from access through the Dardanelles [REF].
Sébastiani persuaded the Ottomans to take a stand against Russia after bringing attention to the anti-Ottoman conspiracy in Wallachia, formed around Prince Constantine Ypsilantis, as well as to the suspicious policies of Moldavia's Prince Alexander Mourousis [REF].