Amberene and 1-methylamberene, isolated and identified from Kuji amber (Japan)
2018; Elsevier BV; Volume: 120; Linguagem: Inglês
10.1016/j.orggeochem.2018.02.014
ISSN1873-5290
AutoresTetsuaki Kawamura, Hiroyuki Koshino, Takemichi Nakamura, Yoshiyuki Nagasawa, Hidetaka Nanao, Masayuki Shirai, Shota Uesugi, Misa Ohno, Ken‐ichi Kimura,
Tópico(s)Plant and animal studies
ResumoAbundant labdatriene derivatives, named amberene [15,19,20-trinor-5,7,9-labdatriene (or 1,6-dimethyl-5-isopentyltetralin) (1)] and 1-methylamberene [15,20-dinor-5,7,9-labdatriene (or 1,1,6-trimethyl-5-isopentyltetralin) (2)] were isolated from the methanol extract of Kuji amber by HPLC. The structures were elucidated by spectral analyses including EIMS, 1D and 2D NMR and some previous assignments corrected.
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