DMAP Promoted Tandem Addition Reactions Forming Substituted Tetrahydroxanthones
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Substituted tetrahydroxanthones are constructed using a DMAP-promoted tandem nucleophilic addition process. The reaction yields range from 39% to 73%. Disubstituted tetrahydroxanthones are generated as a ∼2.3:1 mixture of diastereomers favoring the formation of the trans-isomer.
创建时间：
2016-02-17
