R. Ireland, D. Walba
Apr 28, 2003
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0
Influential Citations
9
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Journal
Organic Syntheses
Abstract
Demethylation of methyl aryl ethers: 4-ethoxy-3-hydroxybenzaldehyde reactant: 5.0 g. (0.028 mole) of 4-ethoxy-3-methoxybenzaldehyde reactant: 5.0 ml. (0.029 mole) of diphenylphosphine intermediate: 5.0 g. (0.022 mole) of 4-ethoxy-3-methoxybenzaldehyde ethylene acetal product: 4-hydroxy-3-ethoxybenzaldehyde Keywords: acetal (and thioacetal) formation; cleavage, dealkylation; hydrolysis, miscellaneous; assay methods, for butyllithium, with 2-butanol, menthol, 2-pentanol, or 2-propanol, 1,10-phenanthroline indicator; diphenylphosphine, preparation of; 4-ethoxy-3-methoxybenzaldehyde; triethylamine; diphenylphosphine, pyrophoric