Tetrahedron Letters p. 7473 - 7474 (1990)
Update date:2022-08-11
Topics:
Oka, Masahisa
Konishi, Masataka
Oki, Toshikazu
Ohashi, Mamoru
The absolute stereochemistry of rubiginones A1, A2, B1, B2, C1 and C2 has been established by NMR spectral analysis using the O-methylmandelate method.A facile photoinduced oxidation of rubiginones A1, B1 and C1 to rubigignones A2, B2 and C2, respectively, is discussed in relation to the absolute stereochemistry.
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