期刊
TETRAHEDRON
卷 62, 期 17, 页码 4205-4213出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2006.02.032
关键词
pseudopterosin; seco-pseudopterosin; Pseudopterogorgia elisabethae; elisabethatrienol; seco-pseudopterosin K
Chemical investigations of the MeOH-CH2Cl2 extract of Pseudopterogorgia elisabethae specimens collected in the islands of San Andres and Providencia, Colombian Caribbean, yielded four new diterpenes (1, 3, 5, 7) along with seco-pseudopterosin J (8), and amphilectosins A (9) and B (10). The structures of the new compounds were established through spectral studies as an elisabethatriene analog named elisabethatrienol (1), 10-acetoxy-9-hydroxy- and 9-acetoxy-10-hydroxy-amphilecta-8,10,12,14-tetraenes (isolated as an inter-converting mixture) (3), aniphilecta-8(13),11,14-triene-9,10-dione (5), and a seco-pseudopterosin 7-O-alpha-(L)-fucopyranoside named seco-pseudopterosin K (7). Elisabethatrienol can be regarded as a biosynthetic intermediate leading to erogorgiaene. (c) 2006 Elsevier Ltd. All rights reserved.
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