DAST-promoted Beckmann rearrangement/intramolecular cyclization of acyclic ketoximes: access to 2-oxazolines, benzimidazoles and benzoxazoles

The first example of DAST-promoted Beckmann rearrangement/intramolecular cyclization of acyclic ketoximes is described. This unique protocol represents a direct and effective pathway to 2-oxazolines, benzimidazoles and benzoxazoles in moderate to good yields.

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2015-05, Vol.51 (41), p.8637-8639
Main Authors: Li, Huiqin, Qin, Jian, Yang, Zonglian, Guan, Xiaoxue, Zhang, Lin, Liao, Peiqiu, Li, Xingqi
Format: Article
Language:English
Subjects:
Pathways
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Description
Summary:The first example of DAST-promoted Beckmann rearrangement/intramolecular cyclization of acyclic ketoximes is described. This unique protocol represents a direct and effective pathway to 2-oxazolines, benzimidazoles and benzoxazoles in moderate to good yields.
ISSN:1359-7345
1364-548X
DOI:10.1039/c5cc02155c