2. Academic Validation
  3. Two new biflavonones from Coreopsis tinctoria

Two new biflavonones from Coreopsis tinctoria

  • J Asian Nat Prod Res. 2017 Oct;19(10):960-965. doi: 10.1080/10286020.2017.1307833.
Ren-Jie Yan 1,  Mo-Ying Li 1,  Hai-Feng Zhou 1,  De-Yun Kong 1,  Tong Wu 1
Affiliations

Affiliation

  • 1 a State Key Laboratory of New Drug & Pharmaceutical Process , Shanghai Institute of Pharmaceutical Industry , Shanghai 200040 , China.
PMID: 28374625 DOI: 10.1080/10286020.2017.1307833
Abstract

Two new biflavonone compounds, sikokianin D (1) and sikokianin E (2), were isolated from the capitulum of Coreopsis tinctoria. The structures of these compounds were elucidated by spectroscopic techniques including NMR, HRESIMS and circular dichroism (CD).

Keywords

Compositae; Coreopsis tinctoria; biflavonones; chemical constituents.

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