Pomiferin

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Authors	MAREK Jaromír VESELÁ D. LIŠKOVÁ M. ŽEMLIČKA M.
Year of publication	2003
Type	Article in Periodical
Magazine / Source	Acta Crystallographica Section C
MU Faculty or unit	Faculty of Science
Citation
Field	Organic chemistry
Keywords	structure; alkaloid
Description	The crystal structure of pomiferin, 3-(3,4-dihydroxyphenyl)-5-hydroxy-8,8-dimethyl-6-(3-methylbut-2-enyl)-4H,8H-pyrano[2,3-h]chromen-4-one, C25H24O6, has been determined. The benzopyranone ring system is nearly planar and the dihedral angle between the phenyl ring and the benzopyranone moiety is 40.85(4)deg. The crystal structure is stabilized by a one-dimensional chain of inter- and intramolecular O-HO hydrogen bonds, with O...O distances in the range 2.5546(15)-2.7999(16) A.
Related projects:	Genomes and their functions