SCHEDULED MAINTENANCE
Structural effects in reactions of organophosphorus compounds. I. Reactions of phosphorus oxychloride with hindered phenols
Abstract
2,6-Dialkyl-phenols exhibit little steric hindrance on reaction with phosphoryl chloride unless the alkyl substituent is bulky (i.e. t-butyl). Where bulky substituents are present reaction with phosphoryl chloride occurs only in the presence of Friedel–Crafts type catalysts after either a dealkylation or a rearrangement of the ortho-placed alkyl groups, followed by O-phosphorylation, has occurred.
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