Abstract:
: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.
journal_name
Chiralityjournal_title
Chiralityauthors
Hussain H,Ahmed I,Schulz B,Draeger S,Flörke U,Pescitelli G,Krohn Kdoi
10.1002/chir.20985subject
Has Abstractpub_date
2011-09-01 00:00:00pages
617-23issue
8eissn
0899-0042issn
1520-636Xjournal_volume
23pub_type
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