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Volumn 16, Issue 8, 2010, Pages 2487-2495

(+)-(R,Z)-5-Muscenone and (-)-(R)-Muscone by enantioselective aldol reaction and grob fragmentation

Author keywords

Aldol reaction, amino alcohols, asymmetric synthesis, fragmentation, fragrances

Indexed keywords

ALDOL REACTIONS; AMINO ALCOHOLS; ASYMMETRIC SYNTHESIS; DIASTEREOSELECTIVE REDUCTION; ENANTIOMERIC EXCESS; ENANTIOSELECTIVE; GROB FRAGMENTATION;

EID: 77049128075     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200902774     Document Type: Article
Times cited : (11)

References (57)
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    • (a) For examples with lanthanide/alkali metal complexes, see: M. Shibasaki, N. Yoshikawa, Chem. Rev. 2002, 102, 2187
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    • and references therein
    • Angew. Chem. Int. Ed. 2004, 43, 1983 and references therein.
    • (2004) Angew. Chem. Int. Ed. , vol.43 , pp. 1983
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    • Preparation: (-)-27, NaH (1.2 equiv), THF, reflux, 45 min, then MeI (1.1 equiv), 45°C, 90 min (94% yield)
    • Preparation: (-)-27, NaH (1.2 equiv), THF, reflux, 45 min, then MeI (1.1 equiv), 45°C, 90 min (94% yield).
  • 34
    • 0000530876 scopus 로고    scopus 로고
    • Angew. Chem. 1996, 108, 2726;
    • (1996) Angew. Chem. , vol.108 , pp. 2726
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    • 4 were all ineffective
    • 4 were all ineffective.
  • 38
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    • We thank Prof. Alexakis for this valuable suggestion
    • Q. Perron, A. Alexakis, Tetrahedron: Asymmetry 2007, 18, 2503. We thank Prof. Alexakis for this valuable suggestion.
    • (2007) Tetrahedron: Asymmetry , vol.18 , pp. 2503
    • Perron, Q.1    Alexakis, A.2
  • 39
    • 77049116838 scopus 로고    scopus 로고
    • 4 (0 °C, 9 h) gave a conversion of approximately 20%
    • 4 (0 °C, 9 h) gave a conversion of approximately 20%.
  • 42
    • 0037669293 scopus 로고    scopus 로고
    • Subtle changes in the Ti reagent can greatly influence the diastereoselectivity, see: M. T. Crimmins, P. J. McDougall, Org. Lett. 2003, 5, 591
    • (2003) Org. Lett. , vol.5 , pp. 591
    • Crimmins, M.T.1    McDougall, P.J.2
  • 48
    • 77049110876 scopus 로고    scopus 로고
    • For another stereodivergent reduction/fragmentation, in which a 3-hydroxy ketone is converted into either a Z- or an E-unsaturated macrocyclic ketone, see: C. Fehr, J. Galindo, O. Etter, W. Thommen, Angew. Chem. 2002, 114, 4705;
    • (2002) Angew. Chem. , vol.114 , pp. 4705
    • Fehr, C.1    Galindo, J.2    Etter, O.3    Thommen, W.4
  • 54
    • 77049120229 scopus 로고    scopus 로고
    • -1, respectively. These values should be only considered qualitatively, as the reactive species are different (OK instead of OH, OTs instead of OMe)
    • -1, respectively. These values should be only considered qualitatively, as the reactive species are different (OK instead of OH, OTs instead of OMe).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.