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Volumn 17, Issue 4, 2011, Pages 1238-1246

[{Au(IPr)}2(μ-OH)]X complexes: Synthetic, structural and catalytic studies

Author keywords

gold; homogeneous catalysis; hydration; N heterocyclic carbenes; nitriles

Indexed keywords

CATALYSIS; CATALYST ACTIVITY; CYANIDES; GOLD; HYDRATION; ORGANIC COMPOUNDS; REACTION INTERMEDIATES; SYNTHESIS (CHEMICAL); X RAY DIFFRACTION;

EID: 78751629119     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.201002607     Document Type: Article
Times cited : (107)

References (65)
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    • (2010) Angew. Chem. Int. Ed. , vol.49 , pp. 5232-5241
  • 8
    • 78751639591 scopus 로고    scopus 로고
    • Of note, there are as well examples for gold catalysis without silver agents, whereas these complexes were mostly synthesized via a silver substrate
    • Of note, there are as well examples for gold catalysis without silver agents, whereas these complexes were mostly synthesized via a silver substrate.
  • 11
  • 21
    • 70350022778 scopus 로고    scopus 로고
    • Angew. Chem. Int. Ed. 2009, 48, 8247-8249
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    • Angew. Chem. Int. Ed. 2009, 48, 5733-5736
    • (2009) Angew. Chem. Int. Ed. , vol.48 , pp. 5733-5736
  • 31
    • 78751605168 scopus 로고    scopus 로고
    • For more references on metal catalyzed nitrile hydration, see ref. 8. See also
    • For more references on metal catalyzed nitrile hydration, see ref. 8. See also
  • 36
    • 78751627490 scopus 로고    scopus 로고
    • The same reaction in was done in THF in order to obtain the THF analogues complex. Unfortunately, these efforts remained unsuccessful
    • The same reaction in was done in THF in order to obtain the THF analogues complex. Unfortunately, these efforts remained unsuccessful.
  • 37
    • 78751631640 scopus 로고    scopus 로고
    • contrast to cationic nitrile complexes, the synthesis of [Au(OH)(IPr)] is realized without the use of any silver salts
    • In contrast to cationic nitrile complexes, the synthesis of [Au(OH)(IPr)] is realized without the use of any silver salts.
  • 38
    • 78751630926 scopus 로고    scopus 로고
    • 4 in toluene lead to identical isolated yields
    • 4 in toluene lead to identical isolated yields.
  • 39
    • 78751607896 scopus 로고    scopus 로고
    • Washing the organic phase with brine resulted in full conversion into [AuCl(IPr)]
    • Washing the organic phase with brine resulted in full conversion into [AuCl(IPr)].
  • 41
    • 78751638627 scopus 로고    scopus 로고
    • DFT values for 2: AuAu 3.886; Auï£ ¿O 2.081; AuC 1.974; OH 0.976 à; Au-O-Au 137.9; Au-O-H 109.7°
    • DFT values for 2: AuAu 3.886; Auï£ ¿O 2.081; AuC 1.974; OH 0.976 à; Au-O-Au 137.9; Au-O-H 109.7°.
  • 45
    • 78751635332 scopus 로고    scopus 로고
    • We suspect at this stage that 3 could be a reservoir for the catalytically active mononuclear cationic gold species
    • We suspect at this stage that 3 could be a reservoir for the catalytically active mononuclear cationic gold species.
  • 46
    • 78751625767 scopus 로고    scopus 로고
    • A rudimentary test proofed 2 active in nitrile hydration. See reference [10]
    • A rudimentary test proofed 2 active in nitrile hydration. See reference [10].
  • 47
    • 78751618546 scopus 로고    scopus 로고
    • This conversion is poor but the presence of any activity of 1 under neutral condition is worthy of further investigation
    • This conversion is poor but the presence of any activity of 1 under neutral condition is worthy of further investigation.
  • 48
    • 78751608306 scopus 로고    scopus 로고
    • Of note, Bayler-Schmidtbaur complexes proofed already active in catalysis. For recent examples, see
    • Of note, Bayler-Schmidtbaur complexes proofed already active in catalysis. For recent examples, see
  • 53
    • 78751623357 scopus 로고    scopus 로고
    • 4 into 3 occurs under these reaction conditions and result in lower conversions than when using 4 under these "unoptimized" conditions
    • 4 into 3 occurs under these reaction conditions and result in lower conversions than when using 4 under these "unoptimized" conditions.
  • 54
    • 78751622271 scopus 로고    scopus 로고
    • 2 results in full conversion into catalyst 2
    • 2 results in full conversion into catalyst 2.
  • 60
    • 78751622272 scopus 로고    scopus 로고
    • 6 in nitrile hydration resulted in identical conversions
    • 6 in nitrile hydration resulted in identical conversions.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.