Summary
Asaronic acid is conveniently prepared from 4-O-methyl-β-resorcylic acid and isovanillic acid by oxidatron with alkaline persulphate and subsequent methylation. Useful partial methyl ethers and mixed methyl-ethyl ethers are also made by adopting this method. Similarly asarylic aldehyde is obtained from 4-O-methyl-β-resorcylic aldehyde and isovanillin.
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Rajagopalan, S., Seshadri, T.R. & Varadarajan, S. A new synthesis of asaronic acid and aldehyde and their derivatives. Proc. Indian Acad. Sci. (Math. Sci.) 30, 265–270 (1949). https://doi.org/10.1007/BF03048799
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DOI: https://doi.org/10.1007/BF03048799