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Mammeigin.

Antônio C Doriguetto1, Javier Ellena, Marcelo H Dos Santos

  • 1Departamento de Ciêcias Exatas, Universidade Federal de Alfenas--UNIFAL-MG, Rua Gabriel Monteiro da Silva 714, CEP 37130-000, Alfenas, MG, Brazil. doriguetto@unifal-mg.edu.br

Acta Crystallographica. Section C, Crystal Structure Communications
|June 10, 2006
PubMed
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Researchers isolated mammeigin, a phenylcoumarin from Kilmeyera pumila fruits, revealing a unique 3D crystal structure. This compound

Area of Science:

  • Phytochemistry
  • Structural Chemistry
  • Chemotaxonomy

Background:

  • The Guttiferae family is known for diverse secondary metabolites.
  • Mammeigin, a phenylcoumarin, was previously identified but its crystal structure was not fully elucidated.

Purpose of the Study:

  • To characterize the crystal structure of mammeigin.
  • To investigate the intermolecular interactions within the mammeigin crystal lattice.
  • To contribute to the chemotaxonomic understanding of the Guttiferae family.

Main Methods:

  • Single crystal X-ray diffraction was employed to determine the molecular and crystal structure.
  • Extraction and purification of mammeigin from Kilmeyera pumila fruits.

Main Results:

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  • Single crystals of mammeigin (C25H24O5) were successfully obtained and analyzed.
  • The crystal structure revealed an intricate three-dimensional network.
  • Non-classical intermolecular hydrogen bonds were identified as key stabilizing forces in the crystal.

Conclusions:

  • The detailed crystal structure of mammeigin provides insights into its solid-state arrangement.
  • The observed hydrogen bonding network highlights specific intermolecular interactions in phenylcoumarins.
  • This study enhances the chemotaxonomic data for the Guttiferae family, specifically Kilmeyera species.