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6-Methylcryptoacetalide, 6-methyl-epicryptoacetalide and 6-methylcryptotanshinone from Salvia aegyptiaca
Maryam H Al Yousuf1, Ahmed K Bashir, Gerald Blunden
1Department of Chemistry, United Arab Emirates University, PO Box 17551, Al-Ain, United Arab Emirates.
Abstract:
From the whole plant of Salvia aegyptiaca, 6-methylcryptoacetalide, 6-methyl-epicryptoacetalide and 6-methylcryptotanshinone have been isolated and characterized, mainly by spectroscopic means. In addition to these novel diterpenoids, the known compounds 3beta-hydroxy-olean-12-en-28-oic acid, 3beta-hydroxy-oleana-11,13(18)-dien-28-oic acid, sitosterol-3beta-glucoside, sitosterol, stigmasterol, 5-hydroxy-7,3',4'-trimethoxyflavone and 5, 6-dihydroxy-7,3',4'-trimethoxyflavone were isolated.
