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3
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0034647029
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For an interesting report on noncontiguous polypropionates from marine molluscs, see: Brecknell, D. J.; Collet, L. A.; Davies-Coleman, M. T.; Garson, M. J.; Jones, D. D. Tetrahedron 2000, 56, 2497.
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Brecknell, D.J.1
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Garson, M.J.4
Jones, D.D.5
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4
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0041371767
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3 "baconipyrones are proposed to be rearrangement products generated from a siphonariid precursor..." or "are generated as artifacts during the extraction."
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3 "baconipyrones are proposed to be rearrangement products generated from a siphonariid precursor..." or "are generated as artifacts during the extraction."
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5
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0034203562
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Paterson, I.; Chen, D. Y.; Aceña, J. L.; Franklin, A. S. Org. Lett. 2000, 2, 1513.
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Paterson, I.1
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Franklin, A.S.4
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7
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33845374455
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Black, K. A.; Vogel, P. J. Org. Chem. 1986, 51, 5341. Compound 1 has been synthesized in optically pure form ([α]D = +235.0) starting from (+)-2-cyano-7-oxabicyclo[2.2.1]hept-5-en-2-yl camphanate. In this preliminary account racemic 1 has been used.
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Black, K.A.1
Vogel, P.2
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8
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0033607764
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For a review on the use of 7-oxanorbornenic derivatives (Diels-Alder adducts of furan) as synthetic intermediates, see: Arjona, O.; Cossy, J.; Plumet, J.; Vogel, P. Tetrahedron 1999, 55, 13521
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Arjona, O.1
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Vogel, P.4
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9
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0000164611
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The referee suggests a possible improvement of the yield of this process by application of a procedure previously described: Warm, A.; Vogel, P. J. Org. Chem. 1986, 51, 5348. We thank the referee for this valuable suggestion, which will be tested soon.
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Warm, A.1
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(a) Tsunoda, T.; Suzuki, M.; Noyori, R. Tetrahedron Lett. 1980, 21, 1357.
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0000268520
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(b) Hwu, J. R.; Leu, L.-C.; Robl, J. A.; Anderson, D. A.; Wetzel, J. M. J. Org. Chem. 1987, 52, 188.
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33751158591
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Arjona, O.; de Dios, A.; Fernández de la Pradilla, R.; Plumet, J.; Viso, A. J. Org. Chem. 1994, 59, 3906.
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14
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0041872508
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This transformation can be achieved without isolation of the intermediate vinyl sulfone 5. In this case the overall yield for the transformation of 4 into 6 is 59%
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This transformation can be achieved without isolation of the intermediate vinyl sulfone 5. In this case the overall yield for the transformation of 4 into 6 is 59%.
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15
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0021249895
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Yamada, S.; Nakayama, K.; Takayama, H. Tetrahedron Lett. 1984, 25, 3239.
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