Is "please to remind" a valid construction?
Solution 1:
You cannot ever follow please with the to of a to-infinitive. It just takes the bare infinitive of the imperative mode.
Solution 2:
"Please to" looks like old modern English, rather than incorrect or a regionalism. Usage has gone steadily downhill since 1700. The short phrasing used to show up in telegrams, where the sender was charged by the word.
Solution 3:
No, they don't sound correct the way they stand. It'd be okay to say: I am pleased to remind you... Or as @Kristina said: remind me please, etc.