77721-48-3Relevant articles and documents
Direct Azidation of Phenols
Kitamura, Mitsuru,Murakami, Kento,Koga, Tatsuya,Eto, Takashi,Ishikawa, Akihiro,Shimooka, Hirokazu,Okauchi, Tatsuo
, p. 5824 - 5827 (2019)
Direct azidation of phenols was developed. By treating chloroimidazolinium chloride 1b and sodium azide with phenol in the presence of a secondary amine in methoxyethanol, ortho-azidation of phenol was achieved.
ELECTROPHILIC AZIDIZING AGENT OR DIAZOTIZING AGENT
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Paragraph 0075-0078, (2019/07/31)
PROBLEM TO BE SOLVED: To provide a novel electrophilic azidizing agent that is safe without explosibility, capable of azidizing a nucleophilic compound in an electrophilic manner. SOLUTION: The present invention provides an azide imidazolium derivative re