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Volumn , Issue 11, 2003, Pages 1651-1654

One-pot organocatalytic direct asymmetric synthesis of γ-amino alcohol derivatives

Author keywords

Aldehydes; Asymmetric catalysis; Asymmetric synthesis; Imines; Mannich reactions

Indexed keywords

ALDEHYDE; AMINOALCOHOL; IMINE; PROLINE;

EID: 4243162724     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2003-41423     Document Type: Article
Times cited : (106)

References (52)
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    • For other L-proline catalyzed aldehyde addition reactions, see: (a) Bøgevig, A.; Juhl, K.; Kumaragurubaran, N.; Jørgensen, K. A. Chem. Commun. 2002, 620. (b) Bøgevig, A.; Kumaragurubaran, N.; Zhuang, W.; Jørgensen, K. A. Angew. Chem. Int. Ed. 2002, 41, 1790. (c) List, B. J. Am. Chem. Soc. 2002, 124, 5656. (d) Northrup, A. B.; MacMillan, D. W. C. J. Am. Chem. Soc. 2002, 124, 6798.
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    • For other L-proline catalyzed aldehyde addition reactions, see: (a) Bøgevig, A.; Juhl, K.; Kumaragurubaran, N.; Jørgensen, K. A. Chem. Commun. 2002, 620. (b) Bøgevig, A.; Kumaragurubaran, N.; Zhuang, W.; Jørgensen, K. A. Angew. Chem. Int. Ed. 2002, 41, 1790. (c) List, B. J. Am. Chem. Soc. 2002, 124, 5656. (d) Northrup, A. B.; MacMillan, D. W. C. J. Am. Chem. Soc. 2002, 124, 6798.
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    • 0037028924 scopus 로고    scopus 로고
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    • (2002) J. Am. Chem. Soc. , vol.124 , pp. 1842
    • Córdova, A.1    Notz, W.2    Zhong, G.3    Betancort, J.M.4    Barbas C.F. III5
  • 41
    • 0037438599 scopus 로고    scopus 로고
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    • (2003) J. Am. Chem. Soc. , vol.125 , pp. 338
    • Trost, B.M.1    Terrell, L.R.2
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    • 0037462104 scopus 로고    scopus 로고
    • There are reports of direct asymmetric Mannich reactions with unmodified ketones, see: (a) Notz, W.; Sakthivel, K.; Bui, T.; Zhong, G.; Barbas, C. F. III Tetrahedron Lett. 2001, 42, 199. (b) Juhl, K.; Gathergood, N.; Jørgensen, K. A. Angew Chem. Int. Ed. 2001, 40, 2995. (c) Yamasaki, S.; Iida, T.; Shibasaki, M. Tetrahedron 1999, 55, 8857. (d) List, B. J. Am. Chem. Soc. 2000, 122, 9336. (e) Córdova, A.; Notz, W.; Zhong, G.; Betancort, J. M.; Barbas, C. F. III J. Am. Chem. Soc. 2002, 124, 1842. (f) Trost, B. M.; Terrell, L. R. J. Am. Chem. Soc. 2003, 125, 338. (g) Matsunaga, S.; Kumagai, N. ; Harada, S.; Shibasaki, M. J. Am. Chem. Soc. 2003, 125, 4712.
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    • Matsunaga, S.1    Kumagai, N.2    Harada, S.3    Shibasaki, M.4
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    • note
    • We observed that Mannich product 1 was unstable and racemized if stored at room temperature or subjected to silica gel column chromatography. In addition, 1 is prone to epimerization that decreases the diastereomeric ratio.
  • 44
    • 0042662071 scopus 로고    scopus 로고
    • note
    • 2O: 40% yield, dr>10:1, 99% ee; and at 4 °C: THF: 36% yield, dr>10:1, >99% ee; dioxane: 62% yield, dr>10:1, 99% ee.
  • 45
    • 0041660120 scopus 로고    scopus 로고
    • note
    • 4 (316.1423).
  • 46
    • 0042662072 scopus 로고    scopus 로고
    • note
    • 4 (372.2048968).
  • 47
    • 0042662070 scopus 로고    scopus 로고
    • note
    • 4), concentrated, and purified by flash column chromatography (silica gel, mixtures of hexanes/EtOAc) to afford 2.
  • 48
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    • (a) NMR-data of the major diastereomer of PMP-deprotected 6 was identical to the previously reported syndiastereomer, see: Jaeger, V.; Buss, V. ; Schwab, W. Liebigs Arm. Chem. 1980, 122.
    • (1980) Liebigs Arm. Chem. , pp. 122
    • Jaeger, V.1    Buss, V.2    Schwab, W.3
  • 49
    • 0043162946 scopus 로고    scopus 로고
    • note
    • 13C NMR: δ = 12.0, 40.9, 59.1, 66.2, 126.9, 127.1, 128.2, 143.9.
  • 50
    • 0035966165 scopus 로고    scopus 로고
    • (c) L-Proline derived 6 had the same retention time as (2S,3S)-6 that had been synthesized via known procedures, see: Vicario, J. L.; Badía, D.; Carrillo, L. J. Org. Chem. 2001, 66, 9030.
    • (2001) J. Org. Chem. , vol.66 , pp. 9030
    • Vicario, J.L.1    Badía, D.2    Carrillo, L.3
  • 52
    • 0042161056 scopus 로고    scopus 로고
    • note
    • 2 (271.172206).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.