Synthesis of novel heterocyclic oleanolic acid derivatives with improved antiproliferative activity in solid tumor cells

AS Leal, R Wang, JAR Salvador, Y Jing

Index: Organic and Biomolecular Chemistry, , vol. 11, # 10 p. 1726 - 1738

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Citation Number: 28

Abstract

... available. 4. Experimental. 4.1 Chemistry. IR spectra were recorded in a JASCO FT/IR-420. ... standards. Chemical shifts measures were given in ppm and coupling constants (J) in hertz (Hz). ... 3β-Acetoxy-11-oxoolean-12-en-28-oic acid (11). To ...