ChemInform Abstract: The First Asymmetric Synthesis of the Naturally Occurring (+)-Kotanin and the Assignment of Its Absolute Configuration.

✍ Scribed by G.-Q. LIN; M. ZHONG

• Publisher: John Wiley and Sons
• Year: 2010
• Weight: 32 KB
• Volume: 28
• Category: Article
• ISSN: 0931-7597
• DOI: 10.1002/chin.199739293

✦ Synopsis

The First Asymmetric Synthesis of the Naturally Occurring (+)-Kotanin and the Assignment of Its Absolute Configuration.

-The key steps in the synthesis of the title compound (IX) are cyclization of the dibromide (II) and Fries rearrangement of the diacetate derived from the diol (IV). The absolute configuration is established to be (S). -(LIN, G.-Q.;