The simple truth is that I don't think those regimes are asking for any of that. They are in the process of forging military co-operation, and they will try to build economic co-operation with Russia.
At the moment, their approach is focused on the rejection of westerners as well as ECOWAS, the Economic Community of West African States.
Therefore, to take a position as a mediator or a dialogue facilitator with people who, at this time, are unwilling to co-operate does not seem diplomatically realistic.