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EnglishThe reaction between primary amines (RNH2) and diaryl diazomethanes (Ar2CN2) in the presence of catalytic amounts of the complex [RuCl(eta(5)-(CH5)-H-5)(PPh3)(2)] (1), in chloroform at 60 degreesC, generally affords mixtures of imines Ar2C=NR as main product and amines Ar2CHNHR. Whereas Ar2CHNHR are formed by the expected carbene insertion into the N-H bond of the substrate, the generation of Ar2C=NR is unprecedented. The carbene intermediate [RuCl( CAr2)(eta(5)-C5H5)(PPh3)] seems to be the key-species involved in the formation of both products.
| Titolo: | [RuCl(η5-C5H5)(PPh3)2] as Catalyst in the Reaction of Primary Amines with Diaryl Diazoalkanes: Unexpected Formation of Imines | |
| Autori: | ||
| Data di pubblicazione: | 2003 | |
| Rivista: | ||
| Abstract: | The reaction between primary amines (RNH2) and diaryl diazomethanes (Ar2CN2) in the presence of catalytic amounts of the complex [RuCl(eta(5)-(CH5)-H-5)(PPh3)(2)] (1), in chloroform at 60 degreesC, generally affords mixtures of imines Ar2C=NR as main product and amines Ar2CHNHR. Whereas Ar2CHNHR are formed by the expected carbene insertion into the N-H bond of the substrate, the generation of Ar2C=NR is unprecedented. The carbene intermediate [RuCl( CAr2)(eta(5)-C5H5)(PPh3)] seems to be the key-species involved in the formation of both products. | |
| Handle: | http://hdl.handle.net/11390/676936 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Inorg Chim Acta 349(2003)249.pdf | Altro materiale allegato | Non pubblico | Accesso ristretto Richiedi una copia |
http://hdl.handle.net/11390/676936
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