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Synthesis of Diheteroarylamine Ligands by Palladium-Catalyzed Mono- and Diamination of Dichlorohetero­arenes with Heteroarenamines

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2011

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Samson, Daniel

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http://nbn-resolving.de/urn:nbn:de:bsz:352-193070
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https://doi.org/10.1002/hlca.201000148
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Helvetica Chimica Acta. 2011, 94(1), pp. 46-60. ISSN 0018-019X. Available under: doi: 10.1002/hlca.201000148

Zusammenfassung

The syntheses of bidentate (see 6 and 12), bis-bidentate (7, 10, and 13) up to oligo-bidentate (see 11 and 14) diheteroarylamine-based N,N-ligands are reported (Tables 2, 4, and 5). In the course of investigations on heteroaromatic (C[BOND]N)-bond formations, a protocol for the Pd-catalyzed mono- and diamination of 2,6-dichloropyridine (1) and 4,6-dichloropyrimidines 5 with heteroaren-2-amines 2 and pyrimidine-4,6-diamines 8 is developed. The results are applied to the syntheses of the ‘pentamers’ 11a–11d and the ‘heptamer’ 14 based on 4,6-disubstituted 2-alkylpyrimidines 5 and 8, respectively.

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540 Chemie

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diheteroarylamine ligands, diamination, amination, palladium catalysis, catalysis, heteroarenamines

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ISO 690SAMSON, Daniel, Ewald DALTROZZO, 2011. Synthesis of Diheteroarylamine Ligands by Palladium-Catalyzed Mono- and Diamination of Dichlorohetero­arenes with Heteroarenamines. In: Helvetica Chimica Acta. 2011, 94(1), pp. 46-60. ISSN 0018-019X. Available under: doi: 10.1002/hlca.201000148
BibTex
@article{Samson2011Synth-19307,
  year={2011},
  doi={10.1002/hlca.201000148},
  title={Synthesis of Diheteroarylamine Ligands by Palladium-Catalyzed Mono- and Diamination of Dichlorohetero­arenes with Heteroarenamines},
  number={1},
  volume={94},
  issn={0018-019X},
  journal={Helvetica Chimica Acta},
  pages={46--60},
  author={Samson, Daniel and Daltrozzo, Ewald}
}
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