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- W1972205189 abstract "Several tricyclic diterpenes with a valparane skeleton have been isolated from the aerial parts of Halimium viscosum collected at Celorico da Beira, Portugal. Two new compounds have been identified as valpara-2,15-diene-1,4-dione and 3α,4α-epoxyvalpar-15-en-2-one, besides the previously known compounds: valpara-2,13-diene; valpara-2,15-diene; valpara-3,15-dien-2-one; 2β,3β-epoxyvalpar-14-ene and 1β-metoxy-valpara-2,15-diene. Their structures have been established by means of 2D NMR experiments (1H13C, and HMQC) and X-ray studies. This plant sample may represent a new chemotype." @default.
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- W1972205189 date "1998-04-01" @default.
- W1972205189 modified "2023-10-18" @default.
- W1972205189 title "Tricyclic diterpenes from Halimium viscosum" @default.
- W1972205189 cites W1980170776 @default.
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- W1972205189 doi "https://doi.org/10.1016/s0031-9422(97)00794-2" @default.
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