Synthetic Communications p. 709 - 714 (2002)
Update date:2022-08-04
Topics:
He, Xungui
Li, Zhiyu
You, Qidong
Hydrolysis of esters was achieved in fairly high yield (59-98%) using polyphosphoric acid (PPA). The reagent was particularly useful for the hydrolysis of chromone side chain esters without ring opening.
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