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Chukfuransins A-D, four new phragmalin limonoids with ß-furan ring involved in skeleton reconstruction from Chukrasia tabularis.
Hu, Kun; Liu, Jie-Qing; Li, Xiao-nian; Chen, Jian-Chao; Zhang, Wei-Ming; Li, Yan; Li, Liang-qun; Guo, Lin-lin; Ma, Wei-guang; Qiu, Ming-Hua.
Afiliación
  • Hu K; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, PR China.
Org Lett ; 15(15): 3902-5, 2013 Aug 02.
Article en En | MEDLINE | ID: mdl-23879614
Four new phragmalin limonoids (chukfuransins A-D) were isolated from the twigs and leaves of Chukrasia tabularis. Chukfuransins A (1) and B (2) feature a unique C-15/C-20 linkage proposed to be built by a biogenetic pathway involving Michael addition. Chukfuransins C (3) and D (4) feature the C-15/C-21 linkage. Their structures and absolute configurations were established by NMR techniques and X-ray crystallographic analysis.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tallos de la Planta / Meliaceae / Corteza de la Planta / Limoninas / Furanos Idioma: En Revista: Org Lett Asunto de la revista: BIOQUIMICA Año: 2013 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tallos de la Planta / Meliaceae / Corteza de la Planta / Limoninas / Furanos Idioma: En Revista: Org Lett Asunto de la revista: BIOQUIMICA Año: 2013 Tipo del documento: Article Pais de publicación: Estados Unidos