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Synthesis of indazole-N-oxides via the 1,7-electrocyclization of azomethine ylides

✍ Scribed by Miklós Nyerges; Andrea Virányi; Weimin Zhang; Paul W. Groundwater; Gábor Blaskó; László Tőke

Book ID
108282748
Publisher
Elsevier Science
Year
2004
Tongue
French
Weight
191 KB
Volume
60
Category
Article
ISSN
0040-4020

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Synthesis of indazole-N-oxides via the 1
Synthesis of indazole-N-oxides via the 1,7-electrocyclisation of azomethine ylides
✍ Miklós Nyerges; Imre Fejes; Andrea Virányi; Paul W Groundwater; László Tőke 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 93 KB

The first example of the 1,7-electrocyclisation of a non-stabilised azomethine ylide, e.g. 2, onto a nitro group, to give a 1,2,6-oxadiazepine intermediate, e.g. 4, is reported. Subsequent ring contraction results in the formation of the indazole-Noxides 5, 12, and 14.

1,7-Electrocyclizations of Stabilized Az
1,7-Electrocyclizations of Stabilized Azomethine Ylides.
✍ Miklos Nyerges; Andrea Viranyi; Aron Pinter; Laszlo T?ke 📂 Article 📅 2003 🏛 John Wiley and Sons ⚖ 124 KB 👁 2 views

## Abstract For Abstract see ChemInform Abstract in Full Text.

ChemInform Abstract: 1,7-Electrocyclizat
ChemInform Abstract: 1,7-Electrocyclization of Non-Stabilized Azomethine Ylides.
✍ A. ARANY; P. W. GROUNDWATER; M. NYERGES 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 28 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v