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Volumn 12, Issue 16, 2010, Pages 3582-3585

Brønsted acid catalyzed asymmetric aldol reaction: A complementary approach to enamine catalysis

Author keywords

[No Author keywords available]

Indexed keywords

ALDOAMANITIN; AMANITIN; KETONE; PHOSPHORIC ACID;

EID: 77955668363     PISSN: 15237060     EISSN: 15237052     Source Type: Journal    
DOI: 10.1021/ol101176j     Document Type: Article
Times cited : (84)

References (41)
  • 1
    • 11844259698 scopus 로고    scopus 로고
    • Mahrwald, R., Ed.; Wiley-VCH: Weinheim
    • Modern Aldol Reactions; Mahrwald, R., Ed.; Wiley-VCH: Weinheim, 2004.
    • (2004) Modern Aldol Reactions
  • 12
    • 38349189109 scopus 로고    scopus 로고
    • Akiyama, T. Chem. Rev. 2007, 107, 5744-5758
    • (2007) Chem. Rev. , vol.107 , pp. 5744-5758
    • Akiyama, T.1
  • 25
    • 77955698870 scopus 로고    scopus 로고
    • For previous asymetric Mukaiyama aldol reactions catalyzed with chiral Brønsted acids, see
    • For previous asymetric Mukaiyama aldol reactions catalyzed with chiral Brønsted acids, see
  • 31
    • 48249127121 scopus 로고    scopus 로고
    • For previous activation of ethyl glyoxylate by chiral phosphoric acids, see:
    • For previous activation of ethyl glyoxylate by chiral phosphoric acids, see: Terada, M.; Soga, K.; Momiyama, N. Angew. Chem., Int. Ed. 2008, 47, 4122-4125
    • (2008) Angew. Chem., Int. Ed. , vol.47 , pp. 4122-4125
    • Terada, M.1    Soga, K.2    Momiyama, N.3
  • 33
    • 77955706573 scopus 로고    scopus 로고
    • Other electrophiles were tested (2-methylpropanal, 1-butanal, chloral, 2-and 3-pyridine carboxaldehyde, benzaldehyde, phenyl glyoxal), and only traces of product were detected. Ethyl trifluoropyruvate delivered 42% yield
    • Other electrophiles were tested (2-methylpropanal, 1-butanal, chloral, 2-and 3-pyridine carboxaldehyde, benzaldehyde, phenyl glyoxal), and only traces of product were detected. Ethyl trifluoropyruvate delivered 42% yield.
  • 35
    • 77955691565 scopus 로고    scopus 로고
    • 2) was prepared and the obtained selectivities were identical to those of 3c (at 0 °C: 75% yield, 80:20 dr, 89:11 er)
    • 2) was prepared and the obtained selectivities were identical to those of 3c (at 0 °C: 75% yield, 80:20 dr, 89:11 er).
  • 36
    • 77955667714 scopus 로고    scopus 로고
    • See the Supporting Information for more details
    • See the Supporting Information for more details.
  • 37
    • 77955690715 scopus 로고    scopus 로고
    • Only in rare cases were organocatalysts reported to be general syn-selective aldol catalysts
    • Only in rare cases were organocatalysts reported to be general syn-selective aldol catalysts.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.