A Synthesis of 3,5-Disubstituted Phenols
A Synthesis of 3,5-Disubstituted Phenols
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DOI:
10.1021/op900322u
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发表时间:
2010-03-01
影响因子:
3.4
通讯作者:
Cooper, Gary F.
中科院分区:
文献类型:
--
作者:
Davidson, James P.;Sarma, Keshab;Cooper, Gary F.
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-methoxyllenzyl 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 kilogram scale, providing crystalline phenols in good yield and high purity.