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Volumn 11, Issue 2, 2009, Pages 281-284

Direct transfer of the sulfonylimino group of imino-λ3- bromane to N-heterocycles and trialkylamines: Synthesis of N-iminoammonium ylides under metal-free conditions

Author keywords

[No Author keywords available]

Indexed keywords

AMINE; BROMINATED HYDROCARBON; HETEROCYCLIC COMPOUND; IMINE; METAL; NITROGEN; QUATERNARY AMMONIUM DERIVATIVE;

EID: 61449146170     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol802383f     Document Type: Article
Times cited : (16)

References (48)
  • 5
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    • Hypervalent Iodine Chemistry; Wirth, T., Ed.; Topics in Current Chemistry 224; Springer: Berlin, 2003.
    • (e) Hypervalent Iodine Chemistry; Wirth, T., Ed.; Topics in Current Chemistry 224; Springer: Berlin, 2003.
  • 7
    • 35348831379 scopus 로고    scopus 로고
    • Chapter 31.4.1
    • (g) Zhdankin, V. V. Sci. Synth. 2007, 31a (Chapter 31.4.1), 161.
    • (2007) Sci. Synth , vol.31 a , pp. 161
    • Zhdankin, V.V.1
  • 24
    • 0038369789 scopus 로고    scopus 로고
    • N-Heterocycles: (a) Jain, S. L.; Sharma, V. B.; Sain, B. Tetrahedron Lett. 2003, 44, 4385.
    • N-Heterocycles: (a) Jain, S. L.; Sharma, V. B.; Sain, B. Tetrahedron Lett. 2003, 44, 4385.
  • 26
    • 2542470498 scopus 로고    scopus 로고
    • Sulfides and sulfoxides: (a) Okamura, H.; Bolm, C. Org. Lett. 2004, 6, 1305.
    • Sulfides and sulfoxides: (a) Okamura, H.; Bolm, C. Org. Lett. 2004, 6, 1305.
  • 35
    • 20644435527 scopus 로고    scopus 로고
    • For reviews on N-heterocyclic ammonium ylides, see: (a) Tamura, Y.; Ikeda, M. Adv. Heterocycl. Chem. 1981, 29, 71.
    • For reviews on N-heterocyclic ammonium ylides, see: (a) Tamura, Y.; Ikeda, M. Adv. Heterocycl. Chem. 1981, 29, 71.
  • 37
    • 0033607551 scopus 로고    scopus 로고
    • The pyridinium ylide 2a has been prepared by thermal reaction (80 °C) of triflyl azide in pyridine in the presence of Cu catalyst in a moderate yield (47%). See: Xu, Y.; Zhu, S. Tetrahedron 1999, 55, 13725.
    • The pyridinium ylide 2a has been prepared by thermal reaction (80 °C) of triflyl azide in pyridine in the presence of Cu catalyst in a moderate yield (47%). See: Xu, Y.; Zhu, S. Tetrahedron 1999, 55, 13725.
  • 39
    • 62149103740 scopus 로고    scopus 로고
    • See Supporting Information, CCDC-705152 for 2c, and CCDC-705153 for 2k
    • See Supporting Information, CCDC-705152 for 2c, and CCDC-705153 for 2k.
  • 41
    • 0038514200 scopus 로고    scopus 로고
    • For solid-state structures of iminoammonium ylides, see: a
    • For solid-state structures of iminoammonium ylides, see: (a) Legault, C.; Charette, A. B. J. Am. Chem. Soc. 2003, 125, 6360.
    • (2003) J. Am. Chem. Soc , vol.125 , pp. 6360
    • Legault, C.1    Charette, A.B.2
  • 45
    • 62149094773 scopus 로고    scopus 로고
    • 3-brornane 5, yielding directly the pyridinium ylide 2a, cannot be rigorously ruled out.
    • 3-brornane 5, yielding directly the pyridinium ylide 2a, cannot be rigorously ruled out.
  • 48
    • 62149104843 scopus 로고    scopus 로고
    • Addition of excess p-(trifluoromethyl)bromobenzene (0.5 M) did not decrease the rate of formation of 2h to a discernible extent.
    • Addition of excess p-(trifluoromethyl)bromobenzene (0.5 M) did not decrease the rate of formation of 2h to a discernible extent.


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