Reaction of Dimethyl Acetylenedicarboxylate with 2-Mercaptoperimidine and 2-Mercaptobenzimidazole.
β Scribed by Kamal M. El-Shaieb
- Publisher
- John Wiley and Sons
- Year
- 2006
- Weight
- 17 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0931-7597
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## Abstract A new method for the preparation of 1,4,5βtrisubstituted (imidazolβ2βyl)acetates, based on the reaction of the corresponding imidazole 3βoxides with dimethyl acetylenedicarboxylate (DMAD) is described. Formation of the products is rationalized by a formal 1,3βdipolar cycloaddition and s