| 摘要 |
In one embodiment, the present invention provides a compound comprising formula (I), wherein A = H or OH, X = OH, a halogen, OR, NHR, NR', R'' where R, R', and R'' = H, C1-8alkyl, C2-8alkenyl, or C2-8alkynyl, cycloalkyl, cycloalkenyl, aryl, aralkyl or heterocyclic, substituted or unsubstituted; and R1,R2,R3,R4,R5 = H, C1-8alkyl, C2-8alkenyl, or C2-8alkynyl, cycloalkyl, cycloalkenyl, aryl or heterocyclic, substituted or unsubstituted, wherein R1 includes at least one methylene spacer through which R1 is attached to said compound. The present invention also provides methods for making hydroxynaphthoic acids.
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