"We are now in a very active phase of negotiations with our American colleagues," Shoigu was cited as saying.
"We are moving step by step closer to a plan - and I'm only talking about Aleppo here - that would really allow us to start fighting together to bring peace so that people can return to their homes in this troubled land."
Russian Deputy Foreign Minister Mikhail Bogdanov also told the Russian news agency on Monday that he would meet with representatives of the Syrian opposition in the Qatari city of Doha on Aug. 16, Reuters reported.
Russia has been assisting Syria in its fight against terrorists since late September 2015 upon a request by the Damascus government. Moscow said the sorties have inflicted huge losses on terrorists in east and northeast of Syria.
The Russian Defense Ministry said in a statement on Monday that six Russian bombers conducted “concentrated” air raids against Daesh targets near the eastern city of Dayr al-Zawr, inflicting heavy damage on the Takfiri terrorist group.
Russian Foreign Minister Sergei Lavrov said Monday that his country could lengthen a three-hour daily humanitarian ceasefire around the Syrian city of Aleppo if assurances are made that terrorists will not use it to move into the city.
Speaking at a news conference in the Russian city of Yekaterinburg with his German counterpart Frank-Walter Steinmeier, Lavrov said he realized that brief daily ceasefires in place now to allow aid to enter and civilians to leave were not sufficient.
Lavrov said that earlier short-term truces helped militants replenish weapons and added that Russia fears militants are using any ceasefire to send in more of their comrades into Aleppo. He said that in order for the Aleppo ceasefire to be lengthened, “it was necessary to solve issues on the fight with terrorists.”