Question: After the compound shown was heated in D2O containing K2CO3 at 70°C the only signals that could be found in its 1H NMR spectrum were

After the compound shown was heated in D2O containing K2CO3 at 70°C the only signals that could be found in its 1H NMR spectrum were at Î´ 3.9 ppm (6H) and Î´ 6.7-6.9 ppm (3H). What happened?

C,0 C,- -CH,CCH,

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