New Prenylated Flavanones from Esenbeckia berlandieri ssp. acapulcensis

Authors

  • Arturo Cano Universidad Nacional Autónoma de México
  • Marina Espinoza Universidad Nacional Autónoma de México
  • Clara H. Ramos Universidad Nacional Autónoma de México
  • Guillermo Delgado Universidad Nacional Autónoma de México

DOI:

https://doi.org/10.29356/jmcs.v50i2.1305

Keywords:

Esenbeckia berlandieri ssp. acapulcensis, rutaceae, prenylflavanones

Abstract

Abstract. Three new (1-3) and four known prenylated flavanones as well as friedelin were isolated from the aerial parts of Esenbeckia berlandieri ssp acapulcensis (Rutaceae). The structures of the new compounds were elucidated as 5,7-dihydroxy-8-(2,3-epoxy-3-methylbutyl) flavanone (1), 5,4´-dihydroxy-7-methoxy-8-(2,3-dihydroxy-3-methylbutyl)flavanone (2), and 5,7,4´-trihydroxy-8-(2,3-dihydroxy-3-methylbutyl)flavanone (3). The isolated flavanones possess diferentially functionalized isoprene units at C-8, and this is the first report of flavanones isolated from Esenbeckia species.

Resumen. Tres flavanonas preniladas novedosas (1-3), cuatro conocidas así como friedelina fueron aisladas de las partes aéreas de
Esenbeckia berlandieri ssp acapulcensis (Rutaceae). Las estructuras de los compuestos nuevos fueron determinadas como 5,7-dihidroxi-8- (2,3-epoxi-3-metilbutil)flavanona (1), 5,4´-dihidroxi-7-metoxi-8-(2,3- dihidroxi-3-metilbutil)flavanona (2) y 5,7,4´-trihidroxi-8-(2,3-dihidroxi-3-metilbutil)flavanona (3). Las flavanonas aisladas poseen isoprenilos con diferente funcionalidad unidos a C-8, y este es el primer reporte de flavanonas aisladas de especies de Esenbeckia.

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Author Biographies

Arturo Cano, Universidad Nacional Autónoma de México

Facultad de Estudios Superiores Zaragoza

Marina Espinoza, Universidad Nacional Autónoma de México

Facultad de Estudios Superiores Zaragoza

Clara H. Ramos, Universidad Nacional Autónoma de México

Instituto de Biología

Guillermo Delgado, Universidad Nacional Autónoma de México

Instituto de Química

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2020-07-24

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