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Acta Cryst. (2013). C69, 1557-1562  [ doi:10.1107/S010827011303117X ]

Isolation, pharmacological activity and structure determination of physalin B and 5[beta],6[beta]-ep­oxy­physalin B isolated from Congolese Physalis angulata L.

P. Mangwala Kimpende, M. Lusakibanza, K. Mesia, L. Tona, M. Tits, L. Angenot, M. Frédérich and L. Van Meervelt

Synopsis: Two physalin compounds have been isolated from Congolese Physalis angulata L. plants and their structure and pharmacological activity has been determined. In both structures, physalin dimers are formed by inter­molecular hydrogen bonding.

Formula: 2C28H30O9·C3H6O·0.22H2O and an analogue


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