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66
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72
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12444325032
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note
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1H NMR spectroscopy (Mosher esters).
-
-
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73
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12444345342
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-
note
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All yields quoted are based on mass recovery, assuming quantitative conversion into products.
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-
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74
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0033583269
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C. R. Harris, S. D. Kuduk, A. Balog, K. A. Savin, S. J. Danishefsky, Tetrahedron Lett. 1999, 40, 2267.
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Harris, C.R.1
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Balog, A.3
Savin, K.A.4
Danishefsky, S.J.5
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75
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12444251525
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-
note
-
It was necessary to perform a filtration through silica gel to remove baseline impurities from ketone fragment 1 (3) prior to the aldol coupling.
-
-
-
-
76
-
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12444267746
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-
note
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The same reaction also proceeded well in diethyl ether, although the selectivity appeared to be more capricious, varying from 10:1 to as high as > 30:1.
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-
-
-
78
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0041807380
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W. P. Griffith, S. V. Ley, G. P. Whitcombe, A. D. White, J. Chem. Soc. Chem. Commun. 1987, 1625.
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J. Chem. Soc. Chem. Commun.
, vol.1625
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-
Griffith, W.P.1
Ley, S.V.2
Whitcombe, G.P.3
White, A.D.4
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80
-
-
12444306890
-
-
note
-
It proved to be necessary to perform an aqueous workup to remove the excess TBAF from the reaction.
-
-
-
-
81
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-
12444307734
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-
note
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Although no attempt was made to recycle or regenerate the immobilized reagents, owing to the scale of this particular synthesis, recycling remains an option for larger-scale processes.
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