Question: We said in Section 21.6 that mechanistic studies on ester hydrolysis have been carried out using ethyl propanoate labeled with 180 in the ether- like

We said in Section 21.6 that mechanistic studies on ester hydrolysis have been carried out using ethyl propanoate labeled with 180 in the ether- like oxygen. Assume that 180-labcled acetic acid is your only source of isotopic oxygen, and then propose a synthesis of the labeled ethyl propanoate.

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