Bis[5,5-bis(4-methoxyphenyl)-3,3-dimethyl-2-tetrahydrofuranyl] Ether

(2,2-dimethyl-3-phenoxycyclopropanyl)bis(p-methoxyphenyl)methanol gave the title compound, C₄₀H₄₆O₇, an oxygen-bridged dimer, under conditions which yielded monomeric aldehydes from alcohols with other substituents.

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