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Volumn 76, Issue 5, 2011, Pages 1483-1486

(±)-trans, cis -4-Hydroxy-5,6-di-O -isopropylidenecyclohex-2-ene-1- one: Synthesis and facile dimerization to decahydrodibenzofurans

Author keywords

[No Author keywords available]

Indexed keywords

CYCLOHEXADIENES; EFFICIENT SYNTHESIS; HYDROXY GROUPS; PHOTOOXYGENATIONS;

EID: 79952140369     PISSN: 00223263     EISSN: 15206904     Source Type: Journal    
DOI: 10.1021/jo102314w     Document Type: Article
Times cited : (22)

References (35)
  • 1
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    • For leading references to previous syntheses of lycorine and regarding its biological activity, respectively, see
    • For leading references to previous syntheses of lycorine and regarding its biological activity, respectively, see: Jones, M. T.; Schwartz, B. D.; Willis, A. C.; Banwell, M. G. Org. Lett. 2009, 11, 3506
    • (2009) Org. Lett. , vol.11 , pp. 3506
    • Jones, M.T.1    Schwartz, B.D.2    Willis, A.C.3    Banwell, M.G.4
  • 21
    • 33749505504 scopus 로고    scopus 로고
    • It is possible that, by applying the organocatalytic, asymmetric Kornblum-DeLaMare rearrangement protocol developed by Toste et al. to endoperoxide 2, this synthesis could be rendered enantioselective; see
    • It is possible that, by applying the organocatalytic, asymmetric Kornblum-DeLaMare rearrangement protocol developed by Toste et al. to endoperoxide 2, this synthesis could be rendered enantioselective; see: Staben, S. T.; Linghu, X.; Toste, F. D. J. Am. Chem. Soc. 2006, 128, 12658
    • (2006) J. Am. Chem. Soc. , vol.128 , pp. 12658
    • Staben, S.T.1    Linghu, X.2    Toste, F.D.3
  • 24
    • 0025833502 scopus 로고
    • The Chan sequence of reactions (ref 21) has been reported by Johnson et al. to proceed in 87% overall yield. In our hands, however, the original yields are reproduced; see
    • The Chan sequence of reactions (ref 21) has been reported by Johnson et al. to proceed in 87% overall yield. In our hands, however, the original yields are reproduced; see: Johnson, C. R.; Ple, P. A.; Adams, J. P. J. Chem. Soc., Chem. Commun. 1991, 1006
    • (1991) J. Chem. Soc., Chem. Commun. , pp. 1006
    • Johnson, C.R.1    Ple, P.A.2    Adams, J.P.3
  • 26
    • 0028955884 scopus 로고
    • The Fabris route (ref 24) is based on one developed by Mereyala for the synthesis of the cyclohexylidene analogue; see
    • The Fabris route (ref 24) is based on one developed by Mereyala for the synthesis of the cyclohexylidene analogue; see: Mereyala, H. B.; Pannala, M. Tetrahedron Lett. 1995, 36, 2121
    • (1995) Tetrahedron Lett. , vol.36 , pp. 2121
    • Mereyala, H.B.1    Pannala, M.2
  • 31
    • 0342353230 scopus 로고    scopus 로고
    • 2 at -70 °C and a crystal structure reported; see:;;;,-5250
    • 2 at -70 °C and a crystal structure reported; see: Han, X.; Khedekar, R. N.; Masnovi, J.; Baker, R. J. J. Org. Chem. 1999, 64, 5245-5250
    • (1999) J. Org. Chem. , vol.64 , pp. 5245
    • Han, X.1    Khedekar, R.N.2    Masnovi, J.3    Baker, R.J.4
  • 32
    • 79952176004 scopus 로고    scopus 로고
    • 1H NMR following attempted isolation. However, this is only a minor component of the decomposition pathway in those reactions; the major decomposition product is highly polar and results from reaction of the enone 3 with the thiourea (or derived carbodiimide) employed to affect the final endoperoxide hydrogenolysis.
    • 1H NMR following attempted isolation. However, this is only a minor component of the decomposition pathway in those reactions; the major decomposition product is highly polar and results from reaction of the enone 3 with the thiourea (or derived carbodiimide) employed to affect the final endoperoxide hydrogenolysis.


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