The Russian missile that destroyed the Okhmatdet Children’s Hospital in Kiev contained many Westerns chips. Russia is making nearly 8 times more Kh-101s than before 2022.
Most of Western sanctions don’t work (Russia still has a great money flow into the country and no big problems of buying chips for rockets) or even help the war (like blocking money flow away from Russia).
Most sanctions were just an impulsive act to show participation.
https://www.ft.com/content/ef463ac9-4804-4ad7-b9a2-c113590f2f96