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64549134166
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Chemokine receptor antagonist activity, ref 1c; antiviral activity, refs 4b and 5c; antibacterial activity, refs 1a, 3b, and 7; antifungal activity, ref 2; inhibition of epidermal growth factor, ref 6; inhibition of compound 48/80-induced histamine release, ref 8; antimalarial activity, ref 7; anticancer properties, ref 1
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Chemokine receptor antagonist activity, ref 1c; antiviral activity, refs 4b and 5c; antibacterial activity, refs 1a, 3b, and 7; antifungal activity, ref 2; inhibition of epidermal growth factor, ref 6; inhibition of compound 48/80-induced histamine release, ref 8; antimalarial activity, ref 7; anticancer properties, ref 1.
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For related reagents, see, for example
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For related reagents, see, for example: Marigo, M.; Wabnitz, T. C.; Fielenbach, D.; Jørgensen, K. A. Angew. Chem., Int. Ed. 2005, 44, 794-797.
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64549161048
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32
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64549136612
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Use of Z-1-bromo-2-ethoxyethene/t-BuLi, which had been successful in our model study (ref 10, gave a complex mixture. We also tried a zincate complex cf. ref 19, but this reaction was too slow at-78 °C to be useful and gave a poor yield at a higher temperature. For related observations, see
-
(a) Use of Z-1-bromo-2-ethoxyethene/t-BuLi, which had been successful in our model study (ref 10), gave a complex mixture. We also tried a zincate complex (cf. ref 19), but this reaction was too slow at-78 °C to be useful and gave a poor yield at a higher temperature. For related observations, see:
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34
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0037146084
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Wender, P. A.; Baryza, J. L.; Bennett, C. E.; Bi, F. C.; Brenner, S. E.; Clarke, M. O.; Horan, J. C.; Kan, C.; Lacote, E.; Lippa, B.; Nell, P. G.; Turner, T. M. J. Am. Chem. Soc. 2002, 124, 13648-13649.
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Clarke, M.O.6
Horan, J.C.7
Kan, C.8
Lacote, E.9
Lippa, B.10
Nell, P.G.11
Turner, T.M.12
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35
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64549104164
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C(4)H-C(5)H is 8.0 Hz, which corresponds closely to the value (7.7 Hz) in the natural product (ref 1b). The corresponding coupling constants for the two epimers of 4 are <3 and 7.8 Hz for cis and trans C(4) and C(5) hydrogens, respectively.
-
C(4)H-C(5)H is 8.0 Hz, which corresponds closely to the value (7.7 Hz) in the natural product (ref 1b). The corresponding coupling constants for the two epimers of 4 are <3 and 7.8 Hz for cis and trans C(4) and C(5) hydrogens, respectively.
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