Photochromic non-fused 2H-1,4-oxazines are synthesised by a Rh 2 (OAc) 4 -catalysed reaction of 2H-azirines with ethyl 2-acyl-2-diazoacetates. The reaction proceeds via the formation of an azirinium ylide which undergoes ring-opening to a 2-azadiene followed by 1,6-electrocyclisation.
✦ LIBER ✦
Novel iminooxazolines from reactions of diazoacetates with carbodiimides (a revision)
✍ Scribed by Julien Drapier; Alain Feron; Roger Warin; André J. Hubert; Ph. Teyssié
- Book ID
- 104237558
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- French
- Weight
- 118 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
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