The α-methylene ketone sarkomycin has an inhibitory effect on certain types of tumors. A k...
The α-methylene ketone sarkomycin has an inhibitory effect on certain types of tumors. A key step in the synthesis of sarkomycin is the reaction of lactone ester A with potassium tert-butoxide in tetrahydrofuran to give the bicyclic compound B. Write a mechanism for this reaction.
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