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A new bromo-sesquiterpene 1, has been isolated from the alga Caloglossa leprieurii collected from the XiSha islands in south china sea. Its structure has been determined on the basis of spectral analysis, and The relative configuration of 1 was assigned on the basis of difference spectrum of NOE.
A new bromo-sesquiterpene 1, has been isolated from the alga Caloglossa leprieurii collected from the XiSha islands in south china sea. Its structure has been determined on the basis of spectral analysis, and The relative configuration of 1 was assigned on the basis of difference spectrum of NOE.