I have a different take on this.
Its quite possible that Huang can bid RBS for the loan. RBS will be at liberty to move that loan on to another party without Liverpool's consent. Huang is also likely to be offering a discount to its face value, arguing that certainty now for RBS is preferential to a) the politics of a government backed bank being involved in a high profile debt exposure; and b) any write off of part of the loan that would come if Liverpool have another poor season. So on the face of it, Huang could buy the debt and could do a deal quickly. I don't see the litigation risk as described by PB (why do you think that, PB?)
At that point, Huang would hold Liverpool to all the covenants (ie conditions) of the loan. Once breached, Huang calls for full repayment and Hicks and Gillet have a choice. Pay up or let Huang take control.
Given the publicised difference in valuations, there is no way a conventional deal can be done here. These moves, if genuine, are very aggressive by Huang and it all smacks of a financial rather than an altruistic deal. It would be bad news for Hicks and Gillett but not necessarily good news for Liverpool fans.
As for a Syrian bidder, that has all the hallmarks of a typical football timewaster.
I agree with Tolmie in that taking over Liverpool at this point is a very high risk deal given the expenditure required but stranger things have happened close to home...