Literature DB >> 28481107

Asymmetric Total Synthesis of Pentacyclic Indole Alkaloid Andranginine and Absolute Configuration of Natural Product Isolated from Kopsia arborea.

Shino Tooriyama1, Yuji Mimori1, Yuqiu Wu1, Noriyuki Kogure1, Mariko Kitajima1, Hiromitsu Takayama1.   

Abstract

The first asymmetric total synthesis of andranginine (1) via an asymmetric Morita-Baylis-Hillman reaction and a diastereoselective intramolecular Diels-Alder reaction has revealed that natural andranginine (1) isolated from Kopsia arborea existed as a scalemic mixture and contained predominantly the (16R,21S) form rather than the (16S,21R) form.

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Year:  2017        PMID: 28481107     DOI: 10.1021/acs.orglett.7b01076

Source DB:  PubMed          Journal:  Org Lett        ISSN: 1523-7052            Impact factor:   6.005


  1 in total

1.  New otonecine-type pyrrolizidine alkaloid from Petasites japonicus.

Authors:  Mariko Kitajima; Kei Okabe; Megumi Yoshida; Ryo Nakabayashi; Kazuki Saito; Noriyuki Kogure; Hiromitsu Takayama
Journal:  J Nat Med       Date:  2019-02-19       Impact factor: 2.343

  1 in total

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