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New Cembranoids from the Hainan Soft Coral Sarcophyton glaucum
Author(s) -
Yao LiGong,
Liu HaiLi,
Guo YueWei,
Mollo Ernesto
Publication year - 2009
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.200800417
Subject(s) - chemistry , coral , absolute configuration , stereochemistry , enantiomer , oceanography , geology
From the soft bodied coral Sarcophyton glaucum collected from the South China Sea two new cembranoids, (7 R ,8 S )‐dihydroxydeepoxy‐ ent ‐sarcophine ( 1 ) and secosarcophinolide ( 2 ), together with one known related compound, ent ‐sarcophine ( 3 ), were isolated. The structures of the new compounds were determined by extensive analysis of their spectroscopic data and chemical correlation. The absolute configuration of 1 was determined by chemical correlation with 3 and by comparison of its optical rotation value with that of its corresponding enantiomer, (7 S ,8 R )‐dihydroxydeepoxysarcophine ( 5 ).