Rosneft failed to sell oil in a jumbo tender after demanding prepayment in roubles, five traders said on Monday, meaning the country’s top oil company will need to find ways to divert more crude to buyers in Asia via private deals. The failure of the tender highlights a growing struggle by the Kremlin oil major to sell oil due to sweeping Western sanctions on Russia for the invasion of Ukraine. Moscow, which calls the invasion “a special operation”, has publicly acknowledged it has faced some oil export problems since March due to sanctions but pledged to boost cooperation with Asia to divert some oil sales from the West. Western sanctions on Russian oil are part of a broader effort to isolate Moscow politically […]