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Functionalized 4-Aminoquinolines by Rearrangement of Pyrazole N-Heterocyclic Carbenes

✍ Scribed by Andreas Schmidt; Niels Münster; Andrij Dreger

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
291 KB
Volume
49
Category
Article
ISSN
0044-8249

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## Abstract The reaction of __N__‐aziridinylimino carboxamides 11 with a mixture of triphenylphosphine, carbon tetrachloride, and triethylamine in dichloromethane (Appel's condition) provides a new route to pyrazole‐fused heterocycles such as 2,3‐dihydro‐l__H__‐imidazo[1,2‐__b__]pyrazoles 15 and 9,