A Novel Asymmetric  ent ‐Kaurane Dimer from  Isodon rubescens  var.  rubescens | Zendy

Han QuanBin | Zendy; He ZhenDan | Zendy; Qiao ChunFeng | Zendy; Xu HongXi | Zendy; Sun HanDong | Zendy

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A Novel Asymmetric ent ‐Kaurane Dimer from Isodon rubescens var. rubescens

Author(s) -

Han QuanBin,

He ZhenDan,

Qiao ChunFeng,

Xu HongXi,

Sun HanDong

Publication year - 2005

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.200590059

Subject(s) - chemistry , dimer , stereochemistry , moiety , tetrahydrofuran , monomer , organic chemistry , solvent , polymer

A novel asymmetric ent ‐kaurane dimer, xindongnin P ( 1 ), was isolated from Isodon rubescens var. rubescens. Its structure was elucidated by detailed spectroscopic analysis. Compound 1 contains a tetrahydrofuran moiety whose formation leads to inversion of configuration at C(16). This differentiates 1 from known related dimers, which were isolated before from the Isodon genus. A likely biogenetic pathway from the alleged monomer precursor 3 is proposed.

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