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Volumn , Issue 10, 2009, Pages 1621-1626

(η6-arene)RuII/chiral SN ligand: A novel bifunctional catalyst system for asymmetric transfer hydrogenation of aromatic ketones

Author keywords

RuCl2( 6 arene) 2; Aromatic ketone; Asymmetric transfer hydrogenation; Bifunctionality; Protic aminothiol ligand

Indexed keywords

ALCOHOL DERIVATIVE; AMINOTHIOL; CARBONYL DERIVATIVE; KETONE DERIVATIVE; POLYCYCLIC AROMATIC HYDROCARBON DERIVATIVE; RUTHENIUM;

EID: 67649403222     PISSN: 09365214     EISSN: 14372096     Source Type: Journal    
DOI: 10.1055/s-0029-1217349     Document Type: Article
Times cited : (28)

References (45)
  • 15
    • 67649405110 scopus 로고    scopus 로고
    • note
    • nd CATSJ Meeting at Nagoya, Japan (3K03).
  • 22
    • 67649414703 scopus 로고    scopus 로고
    • note
    • The rate difference between enantiomeric 1 became more significant with the catalyst system with (S)-2e. Thus, it reduced the ee value of (S)-1 (>99% ee) to 13% within 6 h but that of (R)-1 (>99% ee) did not change significantly (94%) under identical conditions.
  • 29
    • 67649409262 scopus 로고    scopus 로고
    • note
    • 2 and (S)-pipecolinol with under otherwise identical conditions.
  • 30
    • 67649400841 scopus 로고    scopus 로고
    • note
    • 6-benzene)]2 and (S)-2f·HCl hardly promoted the ATH of 3 to give rac-1 in 4% yield under otherwise identical conditions.
  • 31
    • 67649396017 scopus 로고    scopus 로고
    • note
    • (a) Details will be reported separately.
  • 32
    • 67649389894 scopus 로고    scopus 로고
    • 2, 300 K): δ = 1.81-1.90 (m, 5 H), 1.98-2.10 (m, 4 H), 2.02 (s, 18 H), 2.11 (s, 18 H), 2.02-2.32 (m, 5 H), 2.69-2.72 (m, 2 H), 2.88-2.90 (m, 1 H), 3.25-3.27 (m, 1 H), 3.81-3.83 (m, 1 H), 6.07 (br s, 1 H), 9.61 (br s, 1 H), 10.32 (br s, 1 H)
    • 2O: C, 44.8; H, 6.86; N, 3.07. Found: C, 44.74; H, 6.94; N, 3.20. CCDC-717904 contains the supplementary crystallographic data for (S,S)-15e. These data can be obtained free of charge from the Cambridge Crystallographic Data Centre via http://www.ccdc.cam.ac.uk/data- request/cif.
  • 34
    • 67649413631 scopus 로고    scopus 로고
    • note
    • 3, 300 K): δ = 1.21 (br s, 2 H), 2.53 (dd, J = 13.3, 9.0 Hz, 1 H), 2.68 (dd, J = 13.3, 4.2 Hz, 1 H), 3.61 (s, 2 H), 3.94 (dd, J = 9.0, 4.2 Hz, 1 H), 7.18-7.27 (m, 10 H).
  • 35
    • 67649414702 scopus 로고    scopus 로고
    • note
    • 3, 300 K): δ = 0.83-0.86 (m, 6 H), 1.28 (br s, 2 H), 1.54-1.65 (m, 1 H), 2.24 (dd, J = 13.6, 3.7 Hz, 1 H), 2.56-2.61 (m, 2 H), 3.69 (s, 2 H), 7.18-7.30 (m, 5 H).
  • 36
    • 67649406528 scopus 로고    scopus 로고
    • note
    • 3, 300 K): d = 1.27 (br s, 2 H), 2.34 (dd, J = 13.2, 8.3 Hz, 1 H), 2.56-2.62 (m, 2 H), 2.73 (dd, J = 13.2, 5.6 Hz, 1 H), 3.04-3.12 (m, 1 H), 3.69 (s, 2 H), 7.16-7.30 (m, 10 H).
  • 37
    • 67649414701 scopus 로고    scopus 로고
    • note
    • 3, 300 K): δ = 1.31-1.43 (m, 1 H), 1.67-1.93 (m, 4 H), 2.49-2.53 (m, 2 H), 2.82-2.88 (m, 1 H), 2.92-3.00 (m, 1 H), 3.13-3.22 (m, 1 H), 3.74 (s, 2 H), 7.21-7.31 (m, 5 H).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.