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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

✍ Scribed by Hideo Kigoshi; Yoshikazu Shizuri; Haruki Niwa; Hiyoyuki Yamada

Publisher: Elsevier Science
Year: 1982
Tongue: French
Weight: 134 KB
Volume: 23
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)87136-1

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✦ Synopsis

Isolation and structural elucidation of two new acetylenic polyenes, translaurencenyne 1 and trans-neolaurencenyne 2 from the marine red alga Laurencia okamu=ere carried out, The former compound 1 very recently being proposed to be a biosynthetic precursor of the Cl5 halogenated cyclic ethers, 1 and S.

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Laurencenyne, a plausible precursor of various nonterpenoid C15-compounds, and neolaurencenyne from the red alga laurencia okamurai

✍ Hideo Kigoshi; Yoshikazu Shizuri; Haruki Niwa; Kiyoyuki Yamada 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 294 KB

Structural elucidation of two new acetylenic polyenes, laurencenyne 2 and neolaurencenyne 6 isolated from Laurencia okamurai, together with their syntheses, was achieved, suggesting that laurencenyne 2 was a possible precursor of various nonterpenoid cl5 -compounds in the marine red algae of the ge