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New Aspects on the Preparation of 1,3-Dibromo-5,5-dimethylhydantoin

✍ Scribed by Markish, Itzhak; Arrad, Onn


Book ID
118151979
Publisher
American Chemical Society
Year
1995
Tongue
English
Weight
377 KB
Volume
34
Category
Article
ISSN
0888-5885

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Efficient One-Pot 1,3-Dibromo-5,5-dimeth
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## Abstract magnified image The 1,3‐dibromo‐5,5‐dimethylhydantoin (DBH) was found to efficiently catalyze the one‐pot synthesis of highly functionalized tetrasubstituted furan derivatives by the reaction of 1,4‐diarylbut‐2‐ene‐1,4‐diones and acetoacetates in i‐PrOH as the solvent at 80–90Β° for 3–7