Chemistry of silyl thioketones. Part 3. Cycloaddition reactions with heterodienes (?-nitrosostyrene and ketene imines)
✍ Scribed by Carisi, Patrizia; Mazzanti, Germana; Zani, Paolo; Barbaro, Gaetano; Battaglia, Arturo; Giorgianni, Patrizia
- Book ID
- 118210306
- Publisher
- Royal Society of Chemistry
- Year
- 1987
- Weight
- 566 KB
- Volume
- 0
- Category
- Article
- ISSN
- 1472-7781
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## Abstract For Abstract see ChemInform Abstract in Full Text.
## Abstract Unsymmetric cyclic ketenes were generated from __N__‐acyl‐1,3‐thiazolidine‐2‐carboxylic acids **1a**–**c** by means of __Mukaiyama__'s reagent, and then reacted with imines **2a**–**c** to the new, isomeric spiro‐__β__‐lactams **3** and **4** __via__ [2+2] cycloaddition (__Staudinger__
The tandem 1,3 cycloaddition-rearrangement and open chain reactions of 2-aryl-N-aroyl-4,5-dimethyl-1,2,3-triazol-1-imines with DMAD at room temperature and in refluxing toluene are described.