DIRECT CONVERSION OF SILYL ETHERS OR TETRAHYDROPYRANYL ETHERS INTO THE CORRESPONDING DIPHENYLMETHYL ETHERS |
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Abstract: | Direct conversion of alcohol silyl ethers into the corresponding diphenylmethyl (DPM) ethers can be easily performed by the reaction with diphenylmethyl formate in the presence of a catalytic amount of trimethylsilyl trifluoromethanesulfonate. By the additional use of triethylsilane, tetrahydropyranyl ethers can be also converted into the corresponding DPM ethers. |
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