From the aerial parts of Teucrium montbretii subsp. libanoticum 10 neoclerodane diterpenoids were isolated. Three of them are new [3b-hydroxyteubutilin A (I), 12-epi-montanin G (II), 20-epi-3,20-di-O-deacetylteupyreinidin (III)], whereas the other seven, namely, 6-ketoteuscordin, teuscordinon, 6b-hydroxyteuscordin, montanin D, 3,20-di-O-deacetylteupyreinidin, montanin G, and 3-O-deacetylteugracilin A, are previously known structures. The structures of I-III were detd. by spectral and chem. methods.
Neoclerodane diterpenoids from Teucrium montbretii subsp. Libanoticum and their absolute configuration
2002
Abstract
From the aerial parts of Teucrium montbretii subsp. libanoticum 10 neoclerodane diterpenoids were isolated. Three of them are new [3b-hydroxyteubutilin A (I), 12-epi-montanin G (II), 20-epi-3,20-di-O-deacetylteupyreinidin (III)], whereas the other seven, namely, 6-ketoteuscordin, teuscordinon, 6b-hydroxyteuscordin, montanin D, 3,20-di-O-deacetylteupyreinidin, montanin G, and 3-O-deacetylteugracilin A, are previously known structures. The structures of I-III were detd. by spectral and chem. methods.File in questo prodotto:
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