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Volumn 38, Issue 52, 1997, Pages 8961-8964

Synthesis and application of new chiral bidentate phosphine, 2,7-di-tert-butyl-9,9-dimethyl-4,5-bis (methylphenylphosphino)xanthene

Author keywords

[No Author keywords available]

Indexed keywords

PHOSPHINE; PHOSPHINE DERIVATIVE; XANTHENE;

EID: 0030819773     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(97)10363-X     Document Type: Article
Times cited : (63)

References (48)
  • 1
    • 0003544583 scopus 로고
    • ed. Ojima, I.; VCH Publishers, Inc.
    • (a) Catalytic Asymmetric Synthesis; ed. Ojima, I.; VCH Publishers, Inc., 1993.
    • (1993) Catalytic Asymmetric Synthesis
  • 10
    • 85036677239 scopus 로고    scopus 로고
    • note
    • 4 and concentrated in vacuo. The residue was purified by column chromatography to give (rac)-3 (3.66 g, 35 %) and (meso)-4 (4.60 g, 44 %).
  • 12
    • 85036680510 scopus 로고    scopus 로고
    • note
    • 4 and concentrated in vacuo. The residue was purified by column chromatography to give (rac)-3 (54 mg, 61 %) and (meso)-4 (30 mg, 34 %).
  • 13
    • 85036679782 scopus 로고    scopus 로고
    • note
    • The optical purity was determined by HPLC analysis with Daicel Chiralcel OD using n-hexane-i-propanol (9 : 1) as an eluant.
  • 15
    • 85036684123 scopus 로고    scopus 로고
    • note
    • 2: C, 78.42; H, 7.83. Found: C, 78.15; H, 7.83.
  • 16
    • 85036684816 scopus 로고    scopus 로고
    • note
    • 3, Z = 2, Enraf-Nonius CAB-4, Mo Kα, R = 0.0541, Rw = 0.0553.
  • 20
    • 0003544583 scopus 로고
    • Ojima, I., Ed; VCH Publishers: New York
    • (d) Hayashi, T. In Catalytic Asymmetric Synthesis; Ojima, I., Ed; VCH Publishers: New York, 1993; p 325.
    • (1993) Catalytic Asymmetric Synthesis , pp. 325
    • Hayashi, T.1
  • 48
    • 85036680347 scopus 로고    scopus 로고
    • note
    • The enantiomeric excess was determined by HPLC analysis with Daicel Chiralcel OD using n-hexane-i-propanol (99 : 1) as an eluant.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.