A seco-laurane sesquiterpene and related laurane derivatives from the red alga Laurencia okamurai Yamada
β Scribed by Yu, Xiao-Qing; He, Wen-Fei; Liu, Ding-Quan; Feng, Mei-Tang; Fang, Yi; Wang, Bin; Feng, Li-Hua; Guo, Yue-Wei; Mao, Shui-Chun
- Book ID
- 122134985
- Publisher
- Elsevier Science
- Year
- 2014
- Tongue
- English
- Weight
- 793 KB
- Volume
- 103
- Category
- Article
- ISSN
- 0031-9422
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## Abstract Four new cupareneβderived sesquiterpenes, laureperoxide (**1**), 10βbromoisoaplysin (**2**), isodebromolaurinterol (**3**), and 10βhydroxyisolaurene (**4**), together with seven known, related sesquiterpenes, **5**β**11**, have been isolated from the red alga __Laurencia okamurai.__ The
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