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Volumn 126, Issue 24, 2004, Pages 7450-7451

Direct coupling of indoles with carbonyl compounds: Short, enantioselective, gram-scale synthetic entry into the hapalindole and fischerindole alkaloid families

Author keywords

[No Author keywords available]

Indexed keywords

ALKALOID DERIVATIVE; CARBONYL DERIVATIVE; HAPALINDOLE; INDOLE DERIVATIVE; NATURAL PRODUCT; UNCLASSIFIED DRUG;

EID: 2942650166     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja047874w     Document Type: Article
Times cited : (217)

References (24)
  • 1
    • 0042261072 scopus 로고    scopus 로고
    • Wiley-VCH: Weinheim, Chapters 5, 8, 12, 18, 19, 20, and 22
    • One-third of the following book is dedicated to indole-containing natural products: Nicolaou, K. C.; Snyder S. A. Classics in Total Synthesis II; Wiley-VCH: Weinheim, 2003; Chapters 5, 8, 12, 18, 19, 20, and 22, p 639. For an excellent overview of indole synthesis and reactivity, see: Sundberg, R. J. Indoles; Academic Press: San Diego, 1996; p 175.
    • (2003) Classics in Total Synthesis II , pp. 639
    • Nicolaou, K.C.1    Snyder, S.A.2
  • 2
    • 0003979828 scopus 로고    scopus 로고
    • Academic Press: San Diego
    • One-third of the following book is dedicated to indole-containing natural products: Nicolaou, K. C.; Snyder S. A. Classics in Total Synthesis 11; Wiley-VCH: Weinheim, 2003; Chapters 5, 8, 12, 18, 19, 20, and 22, p 639. For an excellent overview of indole synthesis and reactivity, see: Sundberg, R. J. Indoles; Academic Press: San Diego, 1996; p 175.
    • (1996) Indoles , pp. 175
    • Sundberg, R.J.1
  • 4
    • 0026725094 scopus 로고
    • Hapalindole isolation: Moore, R. E.; Cheuk, C.; Yang, X.-Q. G.; Patterson, G. M. L.; Bonjouklian, R.; Smitka, T. A.; Mynderse, J. S.; Foster, R. S.; Jones, N. D.; Swartzendruber, J. K.; Deeter, J. B. J. Org. Chem. 1987, 52, 1036-1043; Fischerindole isolation: Park, A.; Moore, R. E.; Patterson, G. M. L. Tetrahedron Lett. 1992, 33, 3257-3260.
    • (1992) Tetrahedron Lett. , vol.33 , pp. 3257-3260
    • Park, A.1    Moore, R.E.2    Patterson, G.M.L.3
  • 12
    • 2942631594 scopus 로고    scopus 로고
    • note
    • Commercially available from several sources, including Aldr ich.
  • 13
    • 2942651178 scopus 로고    scopus 로고
    • note
    • .- followed by oxidation to 4.
  • 16
    • 0035807572 scopus 로고    scopus 로고
    • ca. 9% yield
    • Total synthesis of racemic 1: Kinsman, A. C.; Kerr, M. A. Org. Lett. 2001, 3, 3189-3191 (ca. 9% yield). Yields are from commorcially available material.
    • (2001) Org. Lett. , vol.3 , pp. 3189-3191
    • Kinsman, A.C.1    Kerr, M.A.2
  • 18
    • 2942657872 scopus 로고    scopus 로고
    • note
    • Addition of L-Selectride (1-3 equiv) to 4 followed by addition of acetaldehyde led only to the corresponding saturated ketone due to internal quenching of the resulting enolate onto the indole N-H.
  • 20
    • 2942666491 scopus 로고    scopus 로고
    • note
    • 4OAc (40 equiv), 7 days, dr = 3: 1.
  • 21
    • 1642535365 scopus 로고    scopus 로고
    • For recent uses of microwave irradiation in complex natural product synthesis, see: Raheem, I. T.; Goodman, S. N.; Jacobsen, E. N. J. Am. Chem. Soc. 2004, 126, 706-707; Baran, P. S.; O'Malley, D. P.; Zografos, A. L. Angew. Chem., Int. Ed. 2004, 43, 2674-2677.
    • (2004) J. Am. Chem. Soc. , vol.126 , pp. 706-707
    • Raheem, I.T.1    Goodman, S.N.2    Jacobsen, E.N.3
  • 22
    • 2942673078 scopus 로고    scopus 로고
    • For recent uses of microwave irradiation in complex natural product synthesis, see: Raheem, I. T.; Goodman, S. N.; Jacobsen, E. N. J. Am. Chem. Soc. 2004, 126, 706-707; Baran, P. S.; O'Malley, D. P.; Zografos, A. L. Angew. Chem., Int. Ed. 2004, 43, 2674-2677.
    • (2004) Angew. Chem., Int. Ed. , vol.43 , pp. 2674-2677
    • Baran, P.S.1    O'Malley, D.P.2    Zografos, A.L.3
  • 23
    • 2942657871 scopus 로고    scopus 로고
    • note
    • The minor amine diastereomer was identical to 12-epi-hapalindole D isothiocyanate (ref 8), see Supporting Information for details.
  • 24
    • 0028334469 scopus 로고
    • Fukuyama observed this ring closure as an undesired byproduct during the course of a beautiful total synthesis of (-)-hapalindole G: Fukuyama, T.; Chen, X. J. Am. Chem. Soc. 1994, 116, 3125-3126.
    • (1994) J. Am. Chem. Soc. , vol.116 , pp. 3125-3126
    • Fukuyama, T.1    Chen, X.2


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