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1
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0004267670
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For a review see: Jones, R. A, Ed, Wiley: New York, Part II
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5
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Higgins, S.1
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7
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0001021450
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Widely utilized methods include: (a) "Paal-Knorr pyrrole synthesis": Knorr, L
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Widely utilized methods include: (a) "Paal-Knorr pyrrole synthesis": Knorr, L. Ber. 1884, 17, 1635.
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Ber
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8
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0001250142
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Paal, C. Ber. 1885, 18, 367.
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Paal, C.1
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9
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33846284689
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Knorr, pyrrole synthesis: Fischer, H. Org. Synth. Collect. 1943, 2, 202.
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(b) "Knorr, pyrrole synthesis": Fischer, H. Org. Synth. Collect. 1943, 2, 202.
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-
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10
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0001506416
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For a review of practical syntheses of both indoles and pyrroles see
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For a review of practical syntheses of both indoles and pyrroles see: Gilchrist, T. L. J. Chem. Soc., Perkin Trans. 1 1999, 2849.
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Gilchrist, T.L.1
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33750051364
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33748614871
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For recent representative examples see: a
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For recent representative examples see: (a) Ishikawa, T.; Aikawa, T.; Watanabe, S.; Saito, S. Org. Lett. 2006, 8, 3881.
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(b) Kamijo, S.; Kanazawa, C.; Yamamoto, Y. J. Am. Chem. Soc. 2005, 127, 9260.
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33744942341
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(d) Harrison, T. J.; Kozak, J. A.; Corbella-Pane, M.; Dake, G. R. J. Org. Chem. 2006, 71, 4525.
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20544465179
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(f) Gorin, D. J.; Davis, N. R.; Toste, F. D. J. Am. Chem. Soc. 2005, 127, 11260.
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(i) Kel'in, A. V.; Sromek, A. W.; Gevorgyan, V. J. Am. Chem. Soc. 2001, 123, 2074.
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Roff, G. J.; Lloyd, R. C.; Turner, N. J. J. Am. Chem. Soc. 2004, 126, 4098.
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Roff, G.J.1
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26
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33846323437
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The two pyrrole proton signals were both singlets, consistent with a 2,4-substitution pattern (see the Supporting Information for spectra).
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The two pyrrole proton signals were both singlets, consistent with a 2,4-substitution pattern (see the Supporting Information for spectra).
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27
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33846273968
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The structure of 5h was confirmed by synthesis and subsequent reduction of the known methyl 4-formyl-2-pyrrole carboxylate (see the Supporting Information for spectra).
-
The structure of 5h was confirmed by synthesis and subsequent reduction of the known methyl 4-formyl-2-pyrrole carboxylate (see the Supporting Information for spectra).
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-
-
28
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0037283566
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The structure assignment was based on a comparison of proton NMRs to reported data: Sai, H.; Ogiku, T.; Ohmizu, H. Synthesis 2003, 2, 201.
-
The structure assignment was based on a comparison of proton NMRs to reported data: Sai, H.; Ogiku, T.; Ohmizu, H. Synthesis 2003, 2, 201.
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29
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33846292010
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The main byproduct was protodehalogenated material
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The main byproduct was protodehalogenated material.
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