
Tetrahedron Letters p. 1756 - 1759 (2012)
Update date:2022-07-30
Topics:
Tanaka, Katsunori
Mazumder, Kishor
Siwu, Eric R.O.
Nozaki, Satoshi
Watanabe, Yasuyoshi
Fukase, Koichi
Derivatization of ursolic acid, one of the natural ursene-type pentacyclic triterpenes, was investigated by the oxidation with dioxoruthenium(VI) tetraphenylporphyrins. Oxidation selectivity on the terpene structure was modulated by the auxiliaries introd
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