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Amination, III. Trimethylsilanol as Leaving Group, V. Silylation—Amination of Hydroxy N-Heterocycles

✍ Scribed by Vorbrüggen, Helmut ;Krolikiewicz, Konrad


Publisher
Wiley (John Wiley & Sons)
Year
1984
Tongue
English
Weight
1008 KB
Volume
117
Category
Article
ISSN
0009-2940

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## Abstract __N__‐{2‐[Alkynyl(hetero)aryl]methylene}indolin‐1‐amines **3** undergo, upon treatment with silver nitrate in chloroform at 60 °C, electrophilic cyclization reactions to afford annulated pyridine derivatives **4**. Mechanistically, the silver(I)‐assisted 6‐__endo__‐__dig__ ring‐closure