Abstract
Reaction of 2-hydroxymethylenebetulonic acid with hydrazine hydrate produced methyl-[3,2-c]-pyrazol-lup- 20(29)-en-28-oate.
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Nigmatullina, L.R., Flekhter, O.B., Baltina, L.A. et al. Synthesis of Methyl [3,2-c]-Pyrazol-lup-20(29)-en-28-oate. Chemistry of Natural Compounds 38, 577–578 (2002). https://doi.org/10.1023/A:1022694922888
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DOI: https://doi.org/10.1023/A:1022694922888