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New Angular Polycyclic Aromatic Boron Heterocycle Ring Systems
Author(s) -
Nourie Hannah C.,
Buglo Elena,
Groziak Michael P.,
Sarina Evan A.,
Olmstead Marilyn M.
Publication year - 2017
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.2608
Subject(s) - chemistry , boron , ring (chemistry) , nuclear magnetic resonance spectroscopy , spectroscopy , planar , crystallography , computational chemistry , stereochemistry , organic chemistry , physics , quantum mechanics , computer graphics (images) , computer science
2‐Formylphenylboronic acid condenses with salicyloyl and anthraniloyl hydrazines directly to generate dibenzo‐fused versions of [1,2,3]diazaborinino[3,2‐ b ][1,3,2]oxazaborinine and [1,3,2]diazaborinino[1,2‐ b ][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.