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Volumn 133, Issue 6, 2011, Pages 1799-1804

Enantioselective total synthesis and confirmation of the absolute and relative stereochemistry of streptorubin B

Author keywords

[No Author keywords available]

Indexed keywords

ABSOLUTE STEREOCHEMISTRY; CD SPECTRA; COPE REARRANGEMENT; ENANTIOSELECTIVE; ENANTIOSELECTIVE TOTAL SYNTHESIS; NATURAL PRODUCTS; ONE POT; SIDE CHAINS;

EID: 79951521145     PISSN: 00027863     EISSN: 15205126     Source Type: Journal    
DOI: 10.1021/ja109165f     Document Type: Article
Times cited : (55)

References (38)
  • 1
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    • For reviews of the chemistry and biology of the prodigiosins
    • For reviews of the chemistry and biology of the prodigiosins, see: Fürstner, A. Angew. Chem., Int. Ed. 2003, 42, 3582-3603
    • (2003) Angew. Chem., Int. Ed. , vol.42 , pp. 3582-3603
    • Fürstner, A.1
  • 16
    • 0000507535 scopus 로고
    • 4 = H), which has hitherto been incorrectly identified as a 2,3-cycloalkyl derivative. In other words, the compound called the related butylcycloheptylprodiginine is actually streptorubin B.
    • 4 = H), which has hitherto been incorrectly identified as a 2,3-cycloalkyl derivative. In other words, the compound called the related butylcycloheptylprodiginine is actually streptorubin B.
    • (1978) Can. J. Chem. , vol.56 , pp. 1155-1163
    • Gerber, N.N.1    McInnes, A.G.2    Smith, D.G.3    Walter, J.A.4    Wright, J.L.C.5    Vining, L.C.6
  • 22
    • 70349935149 scopus 로고    scopus 로고
    • For prodigiosin R1, see ref 13d.
    • Clift, M. D.; Thomson, R. J. J. Am. Chem. Soc. 2009, 131, 14579-14583 For prodigiosin R1, see ref 13d.
    • (2009) J. Am. Chem. Soc. , vol.131 , pp. 14579-14583
    • Clift, M.D.1    Thomson, R.J.2
  • 26
    • 79951547267 scopus 로고    scopus 로고
    • See the Supporting Information for CD spectra of synthetic material prepared as in ref 13d and the CD spectrum of natural metacycloprodigiosin kindly provided by Prof. Gregory Challis.
    • See the Supporting Information for CD spectra of synthetic material prepared as in ref 13d and the CD spectrum of natural metacycloprodigiosin kindly provided by Prof. Gregory Challis.
  • 30
    • 33748617140 scopus 로고    scopus 로고
    • 19 was prepared from the corresponding iodide through lithium-halogen exchange (see the Supporting Information). The iodide was prepared using the protocol of Huang and Negishi (see:;,-3678)
    • 19 was prepared from the corresponding iodide through lithium-halogen exchange (see the Supporting Information). The iodide was prepared using the protocol of Huang and Negishi (see: Huang, Z.; Negishi, E. Org. Lett. 2006, 8, 3675-3678)
    • (2006) Org. Lett. , vol.8 , pp. 3675-3678
    • Huang, Z.1    Negishi, E.2
  • 32
    • 84862767674 scopus 로고    scopus 로고
    • +], 392.2696; found, 392.2700.
    • +], 392.2696; found, 392.2700.
  • 33
    • 79951540827 scopus 로고    scopus 로고
    • See the Supporting Information for full details regarding the measurement and calculation of this activation energy.
    • See the Supporting Information for full details regarding the measurement and calculation of this activation energy.
  • 34
    • 1542554559 scopus 로고
    • Because the isomers of pyrrole 11 do not interconvert rapidly at room temperature, the Curtin-Hammett principle need not be considered in order to rationalize this outcome. If the barrier for interconversion of the two pyrrole atropisomers were sufficiently low, one might have predicted that anti - 1 would be formed preferentially since the rate of condensation of anti - 11 with 21 is most likely significantly faster than that of syn - 11 with 21. Since this interconversion does not occur rapidly under the reaction conditions, the product distribution reflects the ground-state stabilities of the two starting atropisomers. For further discussion of the Curtin-Hammett principle
    • Because the isomers of pyrrole 11 do not interconvert rapidly at room temperature, the Curtin-Hammett principle need not be considered in order to rationalize this outcome. If the barrier for interconversion of the two pyrrole atropisomers were sufficiently low, one might have predicted that anti-1 would be formed preferentially since the rate of condensation of anti-11 with 21 is most likely significantly faster than that of syn-11 with 21. Since this interconversion does not occur rapidly under the reaction conditions, the product distribution reflects the ground-state stabilities of the two starting atropisomers. For further discussion of the Curtin-Hammett principle, see: Seeman, J. I. Chem. Rev. 1983, 83, 83-134
    • (1983) Chem. Rev. , vol.83 , pp. 83-134
    • Seeman, J.I.1
  • 36
    • 38449102399 scopus 로고    scopus 로고
    • See the Supporting Information for details
    • Hoye, T. R.; Jeffrey, C. S.; Shao, F. Nat. Protoc. 2007, 2, 2451-2458 See the Supporting Information for details
    • (2007) Nat. Protoc. , vol.2 , pp. 2451-2458
    • Hoye, T.R.1    Jeffrey, C.S.2    Shao, F.3
  • 38
    • 79951527164 scopus 로고    scopus 로고
    • Challis and co-workers came to the same conclusion on the basis of their own studies of the biosynthesis of streptorubin B (private communication).
    • Challis and co-workers came to the same conclusion on the basis of their own studies of the biosynthesis of streptorubin B (private communication).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.