alexa A new bromoallene-producing chemical type of the red alga Laurencia nangii masuda.
Chemistry

Chemistry

Natural Products Chemistry & Research

Author(s): Kamada T, Vairappan CS

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Abstract Six populations of Laurencia nangii were found to produce three bromoallenes; dihydroitomanallene B (1), itomanallene B (2) and pannosallene (3). Prior to this report, L. nangii were only known to produce C(15)-acetogenins with acetylene functionality. This could be regarded as a new chemical race of L. nangii. The compound structures were elucidated on the basis of spectroscopic analysis and comparison with those previously reported in literature. Compound 1, dihydroitomanallene B, was isolated as a new compound representing a minor variation of itomanallene B (2). This article was published in Molecules and referenced in Natural Products Chemistry & Research

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