Halogenated Diterpenoids from the Red Alga Laurencia nipponica.
✍ Scribed by Ekaterina G. Lyakhova; Anatoly I. Kalinovsky; Sophia A. Kolesnikova; Victor E. Vaskovsky; Valentin A. Stonik
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 12 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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## Abstract Four new halogenated sesquiterpenes, 10‐bromo‐3‐chloro‐2,7‐epoxychamigr‐9‐en‐8__α__‐ol (**1**), 2,10__β__‐dibromochamigra‐2,7‐dien‐9__α__‐ol (**2**), (9__S__)‐2‐bromo‐3‐chloro‐6,9‐epoxybisabola‐7(14),10‐diene (**3**), and (9__R__)‐2‐bromo‐3‐chloro‐6,9‐epoxybisabola‐7(14),10‐diene (**4**
## 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
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