Heteropoly acid catalysts in the valorization of the essential oils: Acetoxylation of β-caryophyllene

KA da Silva Rocha, NVS Rodrigues…

Index: Rocha, Kelly A. da Silva; Rodrigues, Nathalia V.S.; Kozhevnikov, Ivan V.; Gusevskaya, Elena V. Applied Catalysis A: General, 2010 , vol. 374, # 1-2 p. 87 - 94

Full Text: HTML

Citation Number: 28

Abstract

H3PW12O40 (PW), the strongest heteropoly acid in the Keggin series, is an active and environmentally friendly catalyst for the liquid-phase conversion of β-caryophyllene (1) to β- caryolanyl acetate (2) in homogeneous and heterogeneous systems. An efficient and clean method for the synthesis of 2, providing a mixture containing two stereoisomeric β-caryolanyl acetates 2a and 2b, 2a/2b= 80/20mol/mol, with 100% GC yield, has been developed ...