Isolation and structures of <math><mtext>trans</mtext></math>-laurencenyne,a possible precursor of the C15 halogenated cyclic ethers,and <math><mtext>trans</mtext></math>-neolaurencenyne from <math><mtext>laurencia okamurai</mtext></math>期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Isolation and structures of $trans$ -laurencenyne,a possible precursor of the C₁₅ halogenated cyclic ethers,and $trans$ -neolaurencenyne from $laurencia okamurai$

Authors:	Hideo Kigoshi Yoshikazu Shizuri Haruki Niwa Hiyoyuki Yamada

Institution:	Department of Chemistry, Faculty of Science, Nagoya University, Chikusa, Nagoya 464 Japan

Abstract:	Isolation and structural elucidation of two new acetylenic polyenes, $trans$ -laurencenyne $1$ and $trans$ -neolaurencenyne $2$ from the marine red alga $Laurencia okamurai$ were carried out, the former compound $1$ very recently being proposed to be a biosynthetic precursor of the C₁₅ halogenated cyclic ethers, $7$ and $8$ .

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