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1,3-Dibromo-5,5-dimethylhydantoin (DBH) as an efficient promoter for acetylation of 3-arylsydnones in the presence of acetic anhydride under neutral conditions

✍ Scribed by Davood Azarifar; Hassan Ghasemnejad Bosra; Mahmood Tajbaksh

Book ID: 102339209
Publisher: Journal of Heterocyclic Chemistry
Year: 2007
Tongue: English
Weight: 172 KB
Volume: 44
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570440231

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✦ Synopsis

Abstract

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1,3‐Dibromo‐5,5‐dimethylhydantoin (DBH) has been found to efficiently promote the conversion of various 3‐arylsydnones to their 4‐acetyl congeners in the presence of acetic anhydride under neutral conditions in satisfactory yields.

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