Reactions of Triterpenes: Part III - Partial Synthesis of 3β-Hydroxycycloart-24-en-26-al from Cycloart-24-ene-3β,26-diol
Oxidation of cycloart-24-ene-3β,26-diol (I) with DDQ or Ag2CO3/SiO2 in dry benzene gives only 3β-hydroxycycloart-24-en-26-al (II) whereas CrO3/pyridine oxidation of I yields II, mangiferonic acid (IV) and mangiferolic acid (V), besides a new ketoaldehyde (III).
Anjaneyulu, V.,Prasad, K. Harischandra
p. 1075 - 1076
(2007/10/02)
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