Solid-state circular dichroism and hydrogen bonding: absolute configuration of massarigenin A from Microsphaeropsis sp.
Chirality
; 23(8): 617-23, 2011 Sep.
Article
en En
| MEDLINE
| ID: mdl-21786340
Massarigenin A (1) and papyracillic acids A (2) and B (3) were isolated from the endophytic fungus Microsphaeropsis sp. Their structures were elucidated by multidimensional nuclear magnetic resonance spectroscopy; the structure of massarigenin A (1) was also confirmed by X-ray crystallography. The absolute configuration of massarigenin A (1) was established by means of circular dichroism (CD) spectroscopy and time-dependent density functional theory (TDDFT) calculations. The impact of intermolecular hydrogen bonds detected in the crystal packing of 1 on CD spectra measured in the solid state was also investigated.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Compuestos de Espiro
/
Dicroismo Circular
/
Hongos
/
Lactonas
Idioma:
En
Revista:
Chirality
Asunto de la revista:
BIOLOGIA MOLECULAR
/
QUIMICA
Año:
2011
Tipo del documento:
Article
País de afiliación:
Alemania
Pais de publicación:
Estados Unidos