| Literature DB >> 16671813 |
Jun Yang1, Hao Song, Xue Xiao, Jue Wang, Yong Qin.
Abstract
[reaction: see text] Starting from tryptamine 4 and isatin 5, a biomimetic approach to the pentacyclic substructure 1 of perophoramidine and communesin was developed. The key steps were to create a stable three/six bicyclic system 2 on the 2,3-double bond of an indole derivative 3 by an intramolecular cyclopropanation, followed by ring opening of the resulting cyclopropane ring with the in situ generated amine group of an aniline.Entities:
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Year: 2006 PMID: 16671813 DOI: 10.1021/ol0607138
Source DB: PubMed Journal: Org Lett ISSN: 1523-7052 Impact factor: 6.005