Poitediene a new metabolite from the marine red alga Laurencia Poitei
✍ Scribed by Amy E. Wright; Richard M. Wing; James J. Sims
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- French
- Weight
- 259 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0040-4039
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📜 SIMILAR VOLUMES
## Abstract Together with five known sesquiterpenes, EtOH extraction of __Laurencia saitoi__ yielded four new compounds, including three sesquiterpenes and one norsesquiterpene derivative. Their structures and relative configurations were elucidated by spectroscopic methods, including 1D‐ and 2D‐NM
## Abstract Two new halogenated sesquiterpenes, (8__β__)‐10‐bromo‐3‐chloro‐2,7‐epoxychamigr‐9‐en‐8‐ol (**1**) and 2‐bromo‐3‐chlorobisabola‐7(14),11‐diene‐6,10‐diol (**3**), and one new phytol‐derived diterpene, 2,3‐epoxyphytyl acetate (**4**), along with __cis__‐ and __trans__‐1‐methylcyclohexane‐1
Laurallene (L), a new brominated cyclic ether having a terminal allene moiety, has been isolated as a main constituent from the marine red alga Laurencia nipponica Yamada (Rhodomelaceae, Rhodophyta) and its structure was determined by its physical and chemical properties.
The structure and absolute stereochemistry of laurencienyne, a non-isoprenoid cyclic ether isolated from Laurencia obtusa, has been established by X-ray and spectroscopic studies. In our continuing effort to screen marine algae from Eastern Sicily for antimicrobial activity and to isolate the active