A synthesis of 3, 5-disubstituted phenols

…, D Fishlock, MH Welch, S Sukhtankar…

Index: Davidson, James P.; Sarma, Keshab; Fishlock, Dan; Welch, Michael H.; Sukhtankar, Sunil; Lee, Gary M.; Martin, Michael; Cooper, Gary F. Organic Process Research and Development, 2010 , vol. 14, # 2 p. 477 - 480

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Citation Number: 11

Abstract

Robust and scalable syntheses of some synthetically useful 3, 5-disubstituted phenols are presented. The process involves the selective displacement of a halogen by nucleophilic aromatic substitution using a preformed mixture of potassium tert-butoxide and p- methoxybenzyl alcohol (PMB− OH), followed by deprotection of the PMB ether with acid in the presence of 1, 3-dimethoxybenzene. These processes have been demonstrated on ...

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