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2006•Chemical and Pharmaceutical BulletinOpen access

Constituents of Caesalpinia crista from Indonesia

Suresh Awale, Thein Zaw Linn, Yasuhiro Tezuka, Surya Kant Kalauni, Arjun Hari BANSKOTA, Faisal Attamimi, Jun‐ya Ueda, Shigetoshi Kadota

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Abstract

Ten new furanocassane-type diterpenes named, caesalpinins H-P (1-9) and norcaesalpinin F (10), were isolated from the CH(2)Cl(2) extract of the seed kernels of Caesalpinia crista, together with 13 known diterpenes. Their structures were determined based on the spectroscopic analysis. Among the isolated compounds, caesalpinin N (7) represents the first example of furanocassane-type diterpene possessing an aldehyde group at C-14.

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What this paper is about

Ten new furanocassane-type diterpenes named, caesalpinins H-P (1-9) and norcaesalpinin F (10), were isolated from the CH(2)Cl(2) extract of the seed kernels of Caesalpinia crista, together with 13 known diterpenes. Their structures were determined based on the spectroscopic analysis. Among the isolated compounds, caesalpinin N (7) represents the first example of furanocassane-type diterpene possessing an aldehyde group at C-14.

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Available abstract

Ten new furanocassane-type diterpenes named, caesalpinins H-P (1-9) and norcaesalpinin F (10), were isolated from the CH(2)Cl(2) extract of the seed kernels of Caesalpinia crista, together with 13 known diterpenes. Their structures were determined based on the spectroscopic analysis. Among the isolated compounds, caesalpinin N (7) represents the first example of furanocassane-type diterpene possessing an aldehyde group at C-14.

Key concepts: Crista, Caesalpinia, Diterpene, Chemistry, Stereochemistry, Aldehyde, Traditional medicine, Organic chemistry

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