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Volumn 50, Issue 51, 2011, Pages 12335-12338

Asymmetric conjugate addition of glycine derivatives under copper catalysis

Author keywords

1,4 addition; asymmetric catalysis; ferrocenes; glycines; pyrrolidines

Indexed keywords

1 ,4-ADDITION; ASYMMETRIC CATALYSIS; FERROCENES; GLYCINES; PYRROLIDINES;

EID: 83755173417     PISSN: 14337851     EISSN: 15213773     Source Type: Journal    
DOI: 10.1002/anie.201105258     Document Type: Article
Times cited : (32)

References (44)
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    • Efficient mixing of CsOH on a manufacturing scale is difficult because of its density. Also, waste disposal is more than 500-times more expensive when the waste contains cesium
    • Efficient mixing of CsOH on a manufacturing scale is difficult because of its density. Also, waste disposal is more than 500-times more expensive when the waste contains cesium.
  • 33
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    • Ketone 4-a is a bench-stable crystalline solid. See the Supporting Information for a preparative procedure
    • Ketone 4-a is a bench-stable crystalline solid. See the Supporting Information for a preparative procedure.
  • 34
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    • note
    • The ratios obtained by Kobayashi et al. for conjugate addition versus [3+2] cycloaddition were heavily dependent upon the structure of the substrate. To favor conjugate addition, the structure of 5 was modified (see Ref. [4i]), but for our purposes this is prohibitively expensive, and still requires 10 mol-% of catalyst to proceed efficiently.
  • 35
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    • All of these ligands were purchased from Solvias. For FOXAP ligands, see, and references therein
    • All of these ligands were purchased from Solvias. For FOXAP ligands, see, Y. Miyake, Y. Nishibayashi, S. Uemura, Synlett 2008, 1747, and references therein.
    • (2008) Synlett , pp. 1747
    • Miyake, Y.1    Nishibayashi, Y.2    Uemura, S.3
  • 40
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    • -1)(298 K)ln-(1/9)=-1.3
    • -1)(298 K)ln-(1/9)=-1.3.
  • 41
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    • 03, revision D.02
    • All calculation were performed with Gaussian 03 (Gaussian 03, revision D.02, M. J. Frisch et al.). See the Supporting Information.
    • Gaussian
    • Frisch, M.J.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.