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The structures of nine new 7-membered vibsane-type diterpenes named furanovibsanin A (1), 3-O-methylfuranovibsanin A (2), furanovibsanin F (3), furanovibsanin B (4), 7-epi-furanovibsanin B (5), furanovibsanin C (6), furanovibsanin D (7), furanovibsanin E (8), and furanovibsanin G (9), isolated from the leaves of Viburnum awabuki, were elucidated by intensive analyses of 2D NMR data and comparison...
The first synthesis of clusiparalicoline A, a prenylated and geranylated biphenyl compound isolated from the roots of Clusia paralicola, has been achieved by applying the sequential palladium-catalyzed Stille and Suzuki reactions to the formation of all the C C bonds on electron-rich aryl bromide and triflate. Clusiparalicoline A has been found to exhibit a potent neurite outgrowth promoting activity...
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