Not really :-D Russia did have _some_ economy before the sanctions; now all they are left with is gas. Even China doesn't want to cooperate.
And wheat, and titanium, and neon, and rocket engines, and metallurgy, and hypersonic technology, and .....
Here is what they can’t manufacture: electronics. Or planes, or tanks, or even ordinary cars.
They'll just buy it from China. Like everyone else does.