It’s been known that sanctions don’t work. In this case, it has driven Russia into the arms of China and North Korea...
Sanctions can work or not work depending on how they are implemented and supported by the community. Its more effective if you have a coalition rather than go it solo. It also depends on your economic strengths and his economic weaknesses. Poorly executed, sanctions can be ineffective and even backfire.
You dont have to ask my opinion of how effective the Biden folks are at just about everything, not just sanctions.