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Volumn 39, Issue 25, 1998, Pages 4441-4444

[2.2]PHANEPHOS-ruthenium(II) complexes: Highly active asymmetric catalysts for the hydrogenation of β-ketoesters

Author keywords

[No Author keywords available]

Indexed keywords

BETA OXOCARBOXYLIC ACID ESTER; BISPHOSPHONIC ACID DERIVATIVE; ESTER DERIVATIVE; OXOACID; PARACYCLOPHANE DERIVATIVE; RUTHENIUM COMPLEX; UNCLASSIFIED DRUG;

EID: 0032543449     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)00842-9     Document Type: Article
Times cited : (120)

References (32)
  • 11
    • 0010345359 scopus 로고    scopus 로고
    • note
    • 3. [2.2]PHANEPHOS = 4,12-bis(diphenylphosphino)-[2.2]paracyclophane.
  • 24
    • 0010344795 scopus 로고    scopus 로고
    • note
    • 2) led to a much less active species.
  • 26
    • 0010341070 scopus 로고    scopus 로고
    • note
    • 3OH) δ 7.91 (br t, J-8, 4 H), 7.55 (overlapping m, 4 H), 7.35 (t, J=7.6, 4 H), 7.26 (br t, J-7, 4 H), 7.25 (m, 2 H), 7.13 (t, J=7.6, 4 H), 6.53(br d, J=8.0, 2 H), 6.44 (m, 2 H), 2.66 (m, 4 H), 2.36 (ddd, J=13.7, 10.4, 3.4, 2 H), 1.80 (ddd, J=13.7, 10.4, 5.6, 2 H).
  • 27
    • 0003400107 scopus 로고
    • John Wiley & Sons, Inc., New York
    • 15. Use of the trifluoroacetate counter ion has previously been reported to give lower selectivities in the hydrogenation than the corresponding dihalide species, see Noyori, R. Asymmetric Catalysis in Organic Synthesis; John Wiley & Sons, Inc., New York, 1994.
    • (1994) Asymmetric Catalysis in Organic Synthesis
    • Noyori, R.1
  • 28
    • 0010390670 scopus 로고    scopus 로고
    • note
    • 16. Variations of up to 5% ee were observed.
  • 29
    • 0010344973 scopus 로고    scopus 로고
    • note
    • 1H NMR. Enantioselectivity was determined by gc analysis.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.