A ONE-STEP CONVERSION OF P-METHOXYBENZYL ETHERS INTO METHOXYMETHYL ETHERS BY THE ACTION OF DIMETHOXYMETHANE IN THE PRESENCE OF TIN(II) BROMIDE AND BROMOMETHYL METHYL-ETHER
The combined use of dimethoxymethane with catalytic amounts of tin(II) bromide and bromomethyl methyl ether cleaves p-methoxybenzyl ethers to give methoxymethyl ethers in good yields. The chemoselective conversion of p-methoxybenzyl ethers in the presence of the benzyl ether function into methoxymethyl ethers has also occurred successfully.
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页码:885 / 887
页数:3
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