Simalin A and B: Two new aromatic compounds from the stem bark of Bombax ceiba
โ Scribed by Joshi, Khem Raj; Devkota, Hari Prasad; Yahara, Shoji
- Book ID
- 123038023
- Publisher
- Elsevier
- Year
- 2014
- Tongue
- English
- Weight
- 290 KB
- Volume
- 7
- Category
- Article
- ISSN
- 1874-3900
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## Abstract Two new iridoid glycosides, named scyphiphorins A (**1**) and B (**2**), together with four known compounds, geniposidic acid (=(1__S__,4a__S__,7a__S__)โ1โ(__ฮฒ__โDโglucopyranosyloxy)โ1,4a,5,7aโtetrahydroโ7โ(hydroxymethyl)cyclopenta[__c__]pyranโ4โcarboxylic acid; **3**), 4โ(4โhydroxyโ3โm
## Abstract Two new skeletal triterpene lactones, spiromarienonolsโ A (**1a**) and B (**2a**), were isolated from the stem bark of __Abies mariesii__ Masters (Pinaceae). Based on spectral data and biogenetic considerations, their unique threeโdimensional structures were determined to be (3__R__,7__S