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E-mail Message: I thought you might be interested in this item at http://www.worldcat.org/oclc/57078176 Title: Prenylated Coumarins, Chalcone and New Cinnamic Acid and Dihydrocinnamic Acid Derivatives from Brosimum gaudichaudii Publisher: ISBN/ISSN: 0103-5053 OCLC:57078176

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Prenylated Coumarins, Chalcone and New Cinnamic Acid and Dihydrocinnamic Acid Derivatives from Brosimum gaudichaudii

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Prenylated Coumarins, Chalcone and New Cinnamic Acid and Dihydrocinnamic Acid Derivatives from Brosimum gaudichaudii

Author:	Monteiro, Verônica de F.F.; Mathias, Leda; Vieira, Ivo J.C.; Schripsema, Jan; Braz-Filho, Raimundo
Edition/Format:	Internet resource : English
Publication:	Journal of the Brazilian Chemical Society, 2002
Summary:	Three new natural cinnamic acid and dihydrocinnamic acid derivatives were isolated from the roots of Brosimum gaudichaudii, in addition to fourteen known substances (ten coumarins, one chalcone, beta-sitosterol, 3beta-O-beta-D-glucopyranosylsitosterol and beta-amyrin). The structures were established by spectral data, including analysis of 2D-NMR experiments and mass spectra. All aromatic compounds have 4-hydroxy-3-p Read more... Three new natural cinnamic acid and dihydrocinnamic acid derivatives were isolated from the roots of Brosimum gaudichaudii, in addition to fourteen known substances (ten coumarins, one chalcone, beta-sitosterol, 3beta-O-beta-D-glucopyranosylsitosterol and beta-amyrin). The structures were established by spectral data, including analysis of 2D-NMR experiments and mass spectra. All aromatic compounds have 4-hydroxy-3-prenylcinnamic acid as a common precursor. The new substances are derived from a precursor of the coumarins, which through an O-methylation lost its ability to form the lactone ring.
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Genre/Form:	Journal article.
Material Type:	Internet resource
Document Type:	Internet Resource, Article
All Authors / Contributors:	Monteiro, Verônica de F.F.; Mathias, Leda; Vieira, Ivo J.C.; Schripsema, Jan; Braz-Filho, Raimundo
ISSN:	0103-5053
OCLC Number:	57078176

Abstract:

Three new natural cinnamic acid and dihydrocinnamic acid derivatives were isolated from the roots of Brosimum gaudichaudii, in addition to fourteen known substances (ten coumarins, one chalcone, beta-sitosterol, 3beta-O-beta-D-glucopyranosylsitosterol and beta-amyrin). The structures were established by spectral data, including analysis of 2D-NMR experiments and mass spectra. All aromatic compounds have 4-hydroxy-3-prenylcinnamic acid as a common precursor. The new substances are derived from a precursor of the coumarins, which through an O-methylation lost its ability to form the lactone ring.

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Prenylated Coumarins, Chalcone and New Cinnamic Acid and Dihydrocinnamic Acid Derivatives from Brosimum gaudichaudii

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