Isolation and 1H, 13C NMR Assignments for Methyl Sartortuoate

Abstract

Methyl sartortuoate was first obtained from soft coral Sarcophyton sartortuosum and its structure was determined mainly by X-ray single crystal diffraction analysis. In our continuing study on the bioactive substances of soft coral, three more new tetraterpenoids and a known compound, methyl sartortuoate, were isolated from the same species of soft coral. The structure of methyl sartortuoate has been elucidated by means of 1D and 2D NMR techniques. At the same time, ¹H and ¹³C NMR signals have been assigned definitely. This information was very useful for the structural determination of the tetraterpeneoids with this skeleton.

Key words: tetraterpenoid, soft coral, methyl sartortuoate, 2D NMR

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LAN Wen-Jian,SU Jing-Yu²,ZENG Long-Mei*^,2. Isolation and¹H, ¹³C NMR Assignments for Methyl Sartortuoate[J]. Chin. J. Org. Chem., 2005, 25(11): 1465-1468.

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四萜Methyl Sartortuoate 的分离和NMR归属

Isolation and¹H, ¹³C NMR Assignments for Methyl Sartortuoate

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