New Angular Polycyclic Aromatic Boron Heterocycle Ring Systems
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- 作者：Hannah C. Nourie ; Elena Buglo ; Michael P. Groziak ; Evan A. Sarina and Marilyn M. Olmstead
- 刊名：Journal of Heterocyclic Chemistry
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：54
- 期：1
- 页码：749-752
- 全文大小：366K
- ISSN：1943-5193
文摘
mlns:w="http://www.wiley.com/namespaces/wiley" xmlns:cr="urn://wiley-online-library/content/render" xmlns:mml="http://www.w3.org/1998/Math/MathML" id="jhet2608-eo-2000">m1 TH_term3">2-Formylphenylboronic acid condenses with salicyloyl and anthraniloyl hydrazines directly to generate dibenzo-fused versions of [1,2,3]diazaborinino[3,2-m>b m>][1,3,2]oxazaborinine and [1,3,2]diazaborinino[1,2-m>b m>][1,2,3]diazaborinine, respectively, in excellent yields. These compounds, the first members of heretofore unknown planar polycyclic boron heterocycle ring systems, were characterized thoroughly by high-field NMR spectroscopy, X-ray crystallography, and other techniques.