"I thank President Vladimir Putin for the welcome and his readiness for a dialogue," Sall tweeted.
The Senegalese leader said it was important to settle the Ukraine conflict to prevent a major disaster.
On Saturday, Putin personally received the African delegates to discuss the joint African peace initiative on Ukraine.
Sall, South African President Cyril Ramaphosa, Comoros leader Othman Ghazali and Zambian head of state Hakainde Hichilema participated in the talks. Egyptian Prime Minister Mostafa Madbouly and Ugandan and Congolese representatives also partook in the negotiations.