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《Field Crops Research》1997,52(3):290
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《Field Crops Research》1995,44(1):48-49
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《Field Crops Research》1995,44(1):51-52
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《Crop Protection》1987,6(3):206
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《Field Crops Research》1987,16(4):363-365
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《Field Crops Research》1988,18(4):298-299
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Youngju Kim Hiromu Ogura Kazuaki Akasaka Tsutomu Oikawa Nobuyasu Matsuura Chiaki Imada Hisato Yasuda Yasuhiro Igarashi 《Marine drugs》2014,12(7):4110-4125
One new α-pyrone (nocapyrone R (1)), and three known γ-pyrones (nocapyrones B, H and L (2–4)) were isolated from the culture extract of a Nocardiopsis strain collected from marine sediment. Structures of these compounds were determined on the basis of spectroscopic data including NMR and MS. γ-Pyrones 2–4 were found to induce adiponectin production in murine ST-13 preadipocyte cells but the α-pyrone 1 had no activity. The absolute configuration of the anteiso-methyl branching in 4 was determined by HPLC comparison of a degraded product of 4 with standard samples as a 2:3 enantiomeric mixture of (R)- and (S)-isomers. 相似文献
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