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Azirine/Oxindole Ring Enlargement via Amidinium Intermediates.

✍ Scribed by Maged K. G. Mekhael; Stefan Bienz; Anthony Linden; Heinz Heimgartner

Publisher
John Wiley and Sons
Year
2005
Weight
25 KB
Volume
36
Category
Article
ISSN
0931-7597

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📜 SIMILAR VOLUMES

Azirine/Oxindole Ring Enlargement via Am
Azirine/Oxindole Ring Enlargement via Amidinium Intermediates
✍ Maged K. G. Mekhael; Stefan Bienz; Anthony Linden; Heinz Heimgartner 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 German ⚖ 392 KB

A novel general method for the synthesis of oxindoles, namely the -azirine/oxindole ring enlargement via amidinium-intermediates× has been established: the reaction of 2H-azirin-3-amines 1 with BF 3 ¥ OEt 2 in THF solution at À 788 leads to 1,3,3-trialkyl-2-amino-3H-indolium tetrafluoroborates 14 in

ChemInform Abstract: A Novel Ring Enlarg
ChemInform Abstract: A Novel Ring Enlargement of 2H-Azirine-3-methyl(phenyl)amines via Amidinium-Intermediates: A New Synthetic Approach to 2,3-Dihydro-1,3,3-trimethylindol-2-one.
✍ Maged K. G. Mekhael; Richard J. Smith; Stefan Bienz; Anthony Linden; Heinz Heimg 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 2 views

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