Re: can salicylic acid self react?

Protoman wrote:
>
> Can salicylic acid react with itself, as it contains both a hydroxyl
> and a carboxyl group, to form an ester?

Why not? Make the TMS ether of the phenol, make the acid chloride
(CCl4 and triphenylphosphine in MeCN) cleave the TMS ether with
fluoride in pyridine to get the polyester. Obtaining the four-membered
lactone is unlikely.

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.