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vol.51 issue1SECONDARY METABOLITES FROM MARINE PENICILLIUM BREVICOMPACTUMSYNTHESIS OF 2-ARYL-1,3-PROPANEDIAMINES USING A ONE-POT KNOEVENAGEL-MICHAEL SEQUENCE author indexsubject indexarticles search
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Journal of the Chilean Chemical Society

On-line version ISSN 0717-9707

Abstract

CHAMY, MARÍA CRISTINA; PIOVANO, MARISA; GARBARINO, JUAN A  and  ESPINOZA, LUIS. DITERPENOIDS FROM CALCEOLARIA PARALIA.. J. Chil. Chem. Soc. [online]. 2006, vol.51, n.1, pp.779-780. ISSN 0717-9707.  http://dx.doi.org/10.4067/S0717-97072006000100005.

From the aerial parts of Calceolaria paralia, a new diterpene ,19-butyloxy-9a-hydroxy-13-epi-ent-pimara-15-ene (1), together with 13-epi-ent-pimara-9(11)15-diene-19-oic acid (2), 9a,19-dihydroxy-13-epi-ent-pimara-15-ene(3) , 19-acetoxy-13-epi-ent-pimara-9(11)15-diene (4), bis malonate(13-epi-ent-pimara-9(11),15-diene-19-yl) (5) and ent-stemar-13(14)en-19-oic acid (6) . Their structures were elucidated by spectroscopic means

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