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Diazo transfer reaction mediated by phase-transfer catalysts

✍ Scribed by M. Nakajima; J.-P. Anselme


Publisher
Elsevier Science
Year
1976
Tongue
French
Weight
105 KB
Volume
17
Category
Article
ISSN
0040-4039

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Diazo-Transfer Reaction with Diphenyl Ph
✍ JosΓ© M. Villalgordo; Adelheid Enderli; Anthony Linden; Heinz Heimgartner πŸ“‚ Article πŸ“… 1995 πŸ› John Wiley and Sons 🌐 German βš– 878 KB

## Abstract Diphenyl phosphorazidate (DPPA) was used as the azide source in a one‐pot synthesis of 2,2‐disubstituted 3‐amino‐2__H__‐azirines 1 (__Scheme 1__). The reaction with lithium enolates of amides of type 2, bearing two substituents at C(2), proceeded smoothly in THF at 0Β°; keteniminium azid