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Which compound listed below cannot be synthesized using the standard Williamson ether synthesis?

1. Peroxides (ROOR)
2. Diaryl ethers (ArOAr)
3. Conjugated dienes (RCH=CHCH=CHCH=CHR)
4. Ethoxyethane derivatives (C2H5CH2OCH2H5)

Correct answer: Peroxides (ROOR)

Solution

Peroxides cannot be synthesized using the standard Williamson ether synthesis because this method is not suitable for forming the oxygen-oxygen bonds present in peroxides.

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