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Flavindogenides as 2π Component in 1,3-Dipolar Cycloaddition Reaction — An Efficient Synthesis of New Class of Dispiroheterocycles.

✍ Scribed by S. Manikandan; R. Raghunathan


Publisher
John Wiley and Sons
Year
2003
Weight
113 KB
Volume
34
Category
Article
ISSN
0931-7597

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Three-component 1,3-dipolar cycloadditio
✍ Abdel-Aziz S. El-Ahl 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 202 KB

## Abstract Regio‐ and stereospecific syntheses of several spiro[pyrrolidine2,3′‐oxindole] derivatives by cycloaddition trapping of azomethine ylides generated in situ, via decarboxylative condensation of isatin with α‐amino acids or by reaction of secondary amines with isatin, are reported. 2,6‐Di