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Abignente, E.5
Filippelli, W.6
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8
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0033615322
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and references cited therein
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Zhang, C.Y.1
Tour, J.M.2
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26
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0036482179
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4. From a process chemistry perspective, our condition is more practical due to ease of handling and an environmentally friendly waste stream.
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(2002)
Chem. Pharm. Bull.
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Kakoi, H.1
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31
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0011400361
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3 were tested: results were not distinguishable with the one from the reaction without any additive.
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3 were tested: results were not distinguishable with the one from the reaction without any additive.
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32
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0011501724
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Fe(III) citrate was less effective.
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Fe(III) citrate was less effective.
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33
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0011449634
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3 was used with water since the hydrate was a stony solid and difficult to handle.
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3 was used with water since the hydrate was a stony solid and difficult to handle.
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34
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0011450136
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note
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13C NMR (125 MHz, DMSO, ppm) δ 20.0, 131.4, 139.6, 140.7, 154.4, 176.5.
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35
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0011453590
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It is comparatively difficult to isolate pure pyrazine N-oxides. As hydrogenation of the N-oxide normally proceeds very cleanly to give the desired pyrazines in high yield (>90%), yields given in Table 1 should reflect to yields for N-oxides.
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It is comparatively difficult to isolate pure pyrazine N-oxides. As hydrogenation of the N-oxide normally proceeds very cleanly to give the desired pyrazines in high yield (>90%), yields given in Table 1 should reflect to yields for N-oxides.
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38
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0000134309
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Saito R., Hirano T., Niwa H., Ohashi M. J. Chem. Soc., Perkin Trans. 2. 9:1997;1711-1716.
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(1997)
J. Chem. Soc., Perkin Trans. 2
, vol.9
, pp. 1711-1716
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Saito, R.1
Hirano, T.2
Niwa, H.3
Ohashi, M.4
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41
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0011405203
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2 did not lead to the corresponding pyrazine 6a while with Fe powder did work, giving 6a.
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2 did not lead to the corresponding pyrazine 6a while with Fe powder did work, giving 6a.
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