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Volumn 131, Issue 10, 2009, Pages 3454-3455

Catalytic hydrogenation of sensitive organometallic compounds by antagonistic N/B lewis pair catalyst systems

Author keywords

[No Author keywords available]

Indexed keywords

AUTOCATALYTIC PROCESS; CATALYST SYSTEM; CATALYTIC HYDROGENATION; DIHYDROGEN; EFFICIENT CATALYSTS; HYDROGENATION PRODUCTS; ORGANOMETALLIC COMPOUNDS;

EID: 67749119990     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja8100006     Document Type: Article
Times cited : (112)

References (34)
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    • 8-toluene, 298 K) 1:1:1 triplet at δ 50.4 (1JCD) 21.5 Hz).
    • 8-toluene, 298 K) 1:1:1 triplet at δ 50.4 (1JCD) 21.5 Hz).
  • 20
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    • Solutions containing cations 8 and/or 9 exhibit broad averaged NMR features at ambient temperature due to rapid proton transfer. However, the H-exchange was sufficiently slow on the NMR time scale at low temperature in d8-THF solution to allow clear spectroscopic identification and characterization of the individual products 7-9. Selected data of 7: 1H NMR (600 MHz, d8-THF, 198 K, from a 2:1 7/8 mixture, δ 7.06 (m, 4 H, Ar, 7.00 (m, 2 H, Ar, 6.00, 6.37 (each 4 H, Cp, 4.04 (br, 4 H, CH2, 4.00 (br.,2 H, NH, 3.29 (sept, 4 H, CHMe 2, 8: (from a 7/8/9 mixture of 5:20: 3, 1H: δ 9.65 (br, 2 H, NH2, 7.56 (m, 2 H, Ar, 7.48 (m, 1H, Ar, 7.05 (m, 2 H, Ar, 6.99 (m, 1H, Ar, 6.75, 6.60, 6.33, 6.14 (each 2 H, Cp, 4.62 (br, 2 H, CH2NH2, 4.01 (br, 3 H, CH2NH, 3.19, 2.77 (each 2 H, CHMe2, HBC6F5
    • 2). For further details see the Supporting Information.
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    • For a comparison, see: (a) Sumerin, V.; Schulz, F.; Nieger, M.; Leskelä, M.; Repo, T.; Rieger, B. Angew. Chem. 2008, 120, 6090-6092; Angew. Chem., Int. Ed. 2008, 47, 6001-6003.
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