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Volumn 4, Issue 25, 2002, Pages 4511-4514

Stereodivergent Approach to β-Hydroxy α-Amino Acids from C2-Symmetrical Alk-2-yne-1,4-diols

Author keywords

[No Author keywords available]

Indexed keywords

3 HYDROXYLEUCINE; 3-HYDROXYLEUCINE; AMINO ACID; DRUG DERIVATIVE; LEUCINE; SERINE;

EID: 0037069705     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol0270428     Document Type: Article
Times cited : (34)

References (37)
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    • See, for example: (a) Shao, H.; Goodman, M. J. Org. Chem. 1996, 61, 2582-2583. (b) Jung, M. E.; Jung, Y. H. Tetrahedron Lett. 1989, 30, 6637-6640. Schmidt, U.; Respondek, M.; Lieberknecht, A.; Werner, J.; Fischer, P. Synthesis 1989, 256-261.
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    • See, for example: (a) Shao, H.; Goodman, M. J. Org. Chem. 1996, 61, 2582-2583. (b) Jung, M. E.; Jung, Y. H. Tetrahedron Lett. 1989, 30, 6637-6640. Schmidt, U.; Respondek, M.; Lieberknecht, A.; Werner, J.; Fischer, P. Synthesis 1989, 256-261.
    • (1989) Tetrahedron Lett. , vol.30 , pp. 6637-6640
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    • See, for example: (a) Shao, H.; Goodman, M. J. Org. Chem. 1996, 61, 2582-2583. (b) Jung, M. E.; Jung, Y. H. Tetrahedron Lett. 1989, 30, 6637-6640. (c) Schmidt, U.; Respondek, M.; Lieberknecht, A.; Werner, J.; Fischer, P. Synthesis 1989, 256-261.
    • (1989) Synthesis , pp. 256-261
    • Schmidt, U.1    Respondek, M.2    Lieberknecht, A.3    Werner, J.4    Fischer, P.5
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    • Some remarkable exceptions are: (a) Evans, D. A.; Janey, J. M.; Magomedov, N.; Tedrow, J. S. Angew. Chem., Int. Ed. 2001, 40, 1884-1888. (b) Kuwano, R.; Okuda, S.; Ito, Y. J. Org. Chem. 1998, 63, 3499-3503. Sunazuka, T.; Nagamitsu, T.; Tanaka H.; Omura, S.; Sprengeler, P. A.; Smith A. B. III. Tetrahedron Lett. 1993, 34, 4447-4448.
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    • Some remarkable exceptions are: (a) Evans, D. A.; Janey, J. M.; Magomedov, N.; Tedrow, J. S. Angew. Chem., Int. Ed. 2001, 40, 1884-1888. (b) Kuwano, R.; Okuda, S.; Ito, Y. J. Org. Chem. 1998, 63, 3499-3503. Sunazuka, T.; Nagamitsu, T.; Tanaka H.; Omura, S.; Sprengeler, P. A.; Smith A. B. III. Tetrahedron Lett. 1993, 34, 4447-4448.
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    • Some remarkable exceptions are: (a) Evans, D. A.; Janey, J. M.; Magomedov, N.; Tedrow, J. S. Angew. Chem., Int. Ed. 2001, 40, 1884-1888. (b) Kuwano, R.; Okuda, S.; Ito, Y. J. Org. Chem. 1998, 63, 3499-3503. (c) Sunazuka, T.; Nagamitsu, T.; Tanaka H.; Omura, S.; Sprengeler, P. A.; Smith A. B. III. Tetrahedron Lett. 1993, 34, 4447-4448.
    • (1993) Tetrahedron Lett. , vol.34 , pp. 4447-4448
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    • note
    • 2, Lindlar catalyst, EtOAc), respectively.
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    • For related cyclizations, see: (a) Hayashi, T.; Yamamoto, A.; Ito, Y. Tetrahedron Lett. 1987, 28, 4837-4840. (b) Trost, B. M.; Van Vranken, D. L. J. Am. Chem. Soc. 1990, 112, 1261-1263.
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    • For related cyclizations, see: (a) Hayashi, T.; Yamamoto, A.; Ito, Y. Tetrahedron Lett. 1987, 28, 4837-4840. (b) Trost, B. M.; Van Vranken, D. L. J. Am. Chem. Soc. 1990, 112, 1261-1263.
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    • Trost, B.M.1    Van Vranken, D.L.2
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    • The stereochemistry was assigned by NOE experiments and spectral data comparison with similar oxazolidinones: Kimura, M.; Tanaka, S.; Tamaru, Y. Bull. Chem. Soc. Jpn. 1995, 68, 1689-1705.
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    • note
    • HPLC analysis of 6b derived from 2b (>99% ee) showed a single stereoisomer on a chiral column (Chiralcel OD-H, 9:1 hexane/2-propanol, 0.5 mL/min, t(-) = 12.7 min, t(+) = 16.3 min).
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    • Acetonitrile improved the reaction rates and stereoselectivity
    • Acetonitrile improved the reaction rates and stereoselectivity.
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    • Both π-allyl complexes are amenable to π-σ-π isomerization
    • Both π-allyl complexes are amenable to π-σ-π isomerization.
  • 32
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    • note
    • HPLC analysis of 7b on a Chiralcel OD-H column showed a single enantiomer (9:1 hexane/2-propanol, 0.5 mL/min, t(+) = 16.6 min, t(-) = 21.1 min).
  • 36
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    • Spectral data fully agree with those reported: (a) Hale, K. J.; Manaviazar, S.; Delliser, V. M. Tetrahedron 1994, 50, 9181-9188. (b) Laïb, T.; Chastanet, J.; Zhu, J. J. Org. Chem. 1998, 63, 1709-1713.
    • (1994) Tetrahedron , vol.50 , pp. 9181-9188
    • Hale, K.J.1    Manaviazar, S.2    Delliser, V.M.3
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    • Spectral data fully agree with those reported: (a) Hale, K. J.; Manaviazar, S.; Delliser, V. M. Tetrahedron 1994, 50, 9181-9188. (b) Laïb, T.; Chastanet, J.; Zhu, J. J. Org. Chem. 1998, 63, 1709-1713.
    • (1998) J. Org. Chem. , vol.63 , pp. 1709-1713
    • Laïb, T.1    Chastanet, J.2    Zhu, J.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.