8-Phenylmenthol esters of salicylic acid derivatives undergo efficient Birch reduction and diastereoselective alkylations to afford methoxycyclohexadienes bearing new quaternary stereogenic centers. The use of an ester-based auxiliary is a designed improvement over the use of prolinol-derived amides, which are expensive and often very difficult to cleave.
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| http://dx.doi.org/10.1021/acs.joc.3c00306 | DOI Listing |
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