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79955384347
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For total syntheses of englerin A, see:
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3
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70449575812
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7
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77955683809
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Formal total syn thesis
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Formal total synthesis: Xu, J.; Caro-Diaz, E. J. E.; Theodorakis, E. A. Org. Lett. 2010, 12, 3708-3711.
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79955389567
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Synthetic studies
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Synthetic studies
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Navickas V.,Ushakov D.B.,Maier M.E.,Ströbele M.,Meyer H.-J. Org. Lett. 2010 12 3418-3421.
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79953207640
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73649100972
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For a recent review, see: Foley, D. A.; Maguire, A. R.
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For a recent review, see: Foley, D. A.; Maguire, A. R. Tetrahedron 2010, 66, 1131-1175.
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15
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79952263825
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For a recent case, see:
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For a recent case, see: Parmar,D.; Price,K.; Spain,M.;Matsubara, H.; Bradley, P. A.; Procter, D. J. J. Am. Chem. Soc. 2011, 133, 2418-2420.
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0028282048
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For application of this strategy to the phorbol skeleton
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For application of this strategy to the phorbol skeleton, see: Paquette, L. A.; Sauer, D. R.; Edmondson, S. D.; Friedrich, D. Tetrahedron 1994, 50, 4071-4086.
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20
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79955429288
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Isopulegol was purchased from Aldrich: 1 kg costs 90 Euro
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Isopulegol was purchased from Aldrich: 1 kg costs 90 Euro.
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22
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79955410568
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In the case of freshly prepared vinylmagnesium bromide the reaction proceeded spot to spot, while the use of a commercially available Grignard reagent gave only traces of product 10
-
In the case of freshly prepared vinylmagnesium bromide the reaction proceeded spot to spot, while the use of a commercially available Grignard reagent gave only traces of product 10.
-
-
-
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24
-
-
79955447627
-
-
We found that the use of catalytic amounts (0.1 equiv) of 18-crown-6 ether increased the rate and the yield up to 89%.Without 18- crown-6 ether the rearrangement took 16 h and gave 71% yield of 9
-
We found that the use of catalytic amounts (0.1 equiv) of 18- crown-6 ether increased the rate and the yield up to 89%. Without 18- crown-6 ether the rearrangement took 16 h and gave 71% yield of 9.
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0012615648
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For epimerization reactions on cis-fused 5,7-ring systems, see.
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For example, see: Nicolaou, K. C.; Li, A. Angew. Chem., Int. Ed. 2006, 45, 7086-7090.
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33750880412
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For a recent example, see
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For a recent example, see: Pedrosa, R.;Andrés, C.;Mendiguchía, P.; Nieto, J. J. Org. Chem. 2006, 71, 8854-8863.
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79955377670
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For carbonyl reductions using silanes in the presence of a Lewis acid, see
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For carbonyl reductions using silanes in the presence of a Lewis acid, see.
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79955369392
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Asample of englerinA was purchased from AppliChem GmbH, Darmstadt, Germany
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Asample of englerinA was purchased from AppliChem GmbH, Darmstadt, Germany.
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40
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79955366292
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For example, see
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For example, see.
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