Issue 19, 2018

Synthesis of the [7-5-5] tricyclic core of Daphniphyllum alkaloids

Abstract

The [7-5-5] tricyclic core of the Daphniphyllum alkaloids was constructed, featuring a Claisen-Ireland rearrangement to install the two contiguous stereogenic centers, E1cB elimination to form the tetrasubstituted C–C double bond, and a 2,3-Wittig rearrangement to construct the quaternary carbon. Ring-closing metathesis and an intramolecular carbonyl ene reaction were employed for construction of the requisite ring system.

Graphical abstract: Synthesis of the [7-5-5] tricyclic core of Daphniphyllum alkaloids

Supplementary files

Article information

Article type
Communication
Submitted
12 اپریل 2018
Accepted
18 اپریل 2018
First published
18 اپریل 2018

Org. Biomol. Chem., 2018,16, 3556-3559

Synthesis of the [7-5-5] tricyclic core of Daphniphyllum alkaloids

Y. Kitabayashi, T. Fukuyama and S. Yokoshima, Org. Biomol. Chem., 2018, 16, 3556 DOI: 10.1039/C8OB00859K

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