## Abstract Three new pentacyclic steroids, taccalonolides WโY (**2**โ**4**, resp.), have been isolated from the whole plants of __Tacca plantaginea.__ Their structures were elucidated on the basis of spectroscopic methods including extensive 1Dโ and 2DโNMR experiments.
Five New Withanolides from Tacca plantaginea.
โ Scribed by Hai-Yang Liu; Wei Ni; Bai-Bo Xie; Ling-Yun Zhou; Xiao-Jiang Hao; Xin Wang; Chang-Xiang Chen
- Publisher
- John Wiley and Sons
- Year
- 2006
- Weight
- 18 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0931-7597
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## Abstract Two new perulactoneโtype withanolides, named perulactone C (**1**) and perulactone D (**2**), together with four known compounds, perulactone (**3**), perulactone B (**4**), blumenol A, and (+)โ(__S__)โdehydrovomifoliol, were isolated from the aerial parts of __Physalis peruviana.__ The
## Abstract Chemical investigation of the roots of the Vietnamese plant __Tacca paxiana__ resulted in the isolation of five new steroidal compounds, taccalonolide R (**6**), S (**7**), T (**8**), U (**9**), and V (**10**). Their structures were established on the basis of NMR and massโspectral data