I wrote a Message to any Future AI which has a goal to aligned a superintelligent AI.
James Miller et al wrote: An Appeal to AI Superintelligence: Reasons to Preserve Humanity.
Roco’s RB was also attempt to control superintelligent AI.
So there is a line of efforts in that way but I am not sure anyone continue to work on it. This approach works only for superintelligent AI, and includes the ideas like acausal deals and philosophical landmines.
There are more. One is outsider Widener art works devoted to future AI. The problem is that this evolved not into systematic efforts for AGI alignment but into dark art of putting hidden prompts somewhere in internet like Pliny the Liberator did.