New 3,4-Seco-ent-kaurene Dimers from Croton micans

From the stems of Croton micans Sw., five new 3,4-seco-ent-kaurene dimers: micansinoic acid (1), isomicansinoic acid (2), and the dimethyl (3), monomethyl (4) and monoethyl ester (5) of micansinoic acid were isolated. The structures of the new compounds were elucidated by spectroscopic data interpre...

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Bibliographic Details
Published in:Natural product communications 2012-01, Vol.7 (1), p.5-8
Main Authors: Mateu, Elsa, Chavez, Katiuska, Riina, Ricarda, Compagnone, Reinaldo S., Monache, Franco Delle, Suárez, Alírica I.
Format: Article
Language:English
Subjects:
Croton - chemistry
Dimerization
Diterpenes, Kaurane - chemistry
Diterpenes, Kaurane - isolation & purification
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Summary:From the stems of Croton micans Sw., five new 3,4-seco-ent-kaurene dimers: micansinoic acid (1), isomicansinoic acid (2), and the dimethyl (3), monomethyl (4) and monoethyl ester (5) of micansinoic acid were isolated. The structures of the new compounds were elucidated by spectroscopic data interpretation, mainly 1D and 2D NMR experiments and MS. These compounds are the first 3,4-seco-ent-kaurene dimers from a Croton species.
ISSN:1934-578X
1555-9475
DOI:10.1177/1934578X1200700104