STUDIES ON ALLYLIC OXIDATION REACTIONS OF METHYL ABIETATE
Allylic oxidation reactions of methyl abietate (2) with selenium dioxide and lead tetraacetate have been studied in different solvents.Oxidation of methyl abietate (2) with selenium dioxide in acetic anhydride furnished methyl 7α-O-acetyl dehydroabietate (5b) in 68 percent yield.
Suryawanshi, S. N.,Rani, A.,Dhami, T. S.,Bhakuni, D. S.
p. 2927 - 2938
(2007/10/02)
REGIOSELECTIVE REACTIONS OF ABIETIC ACID METHYL ESTER
Ozonolysis of abietic acid methyl ester 1 in the presence of mercuric acetate afforded the 13,14-seco-derivative in fair yield (50percent).Selenium dioxide oxidation of 1 in t-butanol gave 9-α-hydroxy-abietic acid methyl ester 6, dehydroabietic acid methyl ester 4 and its 7α-hydroxy-derivative 4b.
Escudero, Javier,Marquez, Cecilio,Rabanal, Rosa Ma,Valverde, S.
p. 3167 - 3170
(2007/10/02)
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