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New Cadinane‐Type Sesquiterpenes from the Roots of Taiwania cryptomerioides Hayata
Author(s) -
Chyu ChiouFung,
Ke MeiRu,
Chang YuanShiun,
Chien ShihChang,
Kuo YuehHsiung
Publication year - 2007
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.200790158
Subject(s) - chemistry , stereochemistry , sesquiterpene , diol , type (biology) , organic chemistry , ecology , biology
Six new cadinane‐type sesquiterpenes, (1 β ,4 β ,5 α ,10 α )‐1,4‐epoxymuurolan‐5‐ol ( 1 ), (4 α ,10 β )‐4,10‐dihydroxycadin‐1(6)‐en‐5‐one ( 2 ), (2 β ,3 α ,4 β ,6 β )‐2,3‐dihydroxycadin‐1(10)‐en‐5‐one ( 3 ), (2 β ,3 α )‐ α ‐corocalene‐2,3‐diol ( 4 ), (7 S )‐ α ‐calacoren‐14‐ol ( 5 ), and (8 β ,9 β ,10 β )‐8,9‐epoxycalamenene‐3,10‐diol ( 6 ) together with one known compound, (8 β ,9 β ,10 β )‐8,9‐epoxycalamenen‐10‐ol ( 7 ), were isolated from the roots of Taiwania cryptomerioides. The structures of the new constituents were essentially elucidated by spectral evidence.