ChemInform Abstract: Reactions of N-Substituted Pyridinium Carbamoylmethylenides with Ethyl Arylidenecyanoacetates.
β Scribed by T. S. Kuptsova; A. M. Shestopalov
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 21 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0931-7597
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Reactions of Ethyl Diazoacetate with Thioketones. -The 1,3-dipolar cycloaddition of ethyl diazoacetate (II) with thioketones is investigated. The most reactive dipolarophiles (I) give 1,3-dithiolanes, e.g. (III), (V), (VI) and (VIII). Sterically crowded thioketones (IX) and (XII) as well as the less
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