"I spoke to [US Secretary of State] John Kerry, who said that they [US] want to cooperate with us, and that they have such opportunities. After the talks between the two ministers of defense — [Sergei] Shoigu and [Ashton] Carter — both sides expressed positive approach [to cooperation]," Lavrov told reporters.
"I think the Americans have become more susceptible to the arguments we have used in our work for several years," Lavrov he added.
Last week, Russian Defense Minister Sergei Shoigu and US Secretary of Defense Ashton Carter have agreed to re-establish military-to-military contacts between the countries.
Syria has been mired in a civil war since 2011, as government forces loyal to Assad fight several opposition and radical Islamist militant groups, including the Nusra Front and Islamic State (ISIL).