Transformation of. ALPHA.-santonin into 7-hydroxyeudesmanes.
…, H Sugihara, N Harada, N Fukuchi, K Yamada…
Index: Nagano; Sugihara; Harada; Fukuchi; Yamada; Izawa; Shiota Bulletin of the Chemical Society of Japan, 1990 , vol. 63, # 12 p. 3560 - 3565
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Citation Number: 4
Abstract
Autoxidation of (11S)-12-hydroxy-7α-eudesmane-3, 6-dione in the presence of p- toluenesulfonic acid gave 6, 12-epoxy-11β-eudesma-4, 6-dien-3-one, which was oxidized with m-chloroperoxybenzoic acid to give (11R)-7α, 12-dihydroxyeudesm-4-ene-3, 6-dione. Transformation of some other 12-hydroxyeudesman-6-ones into 7, 12-dihydroxyeudesman- 6-ones was also examined.
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