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1
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33746078804
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For selected recent contributions, see: a
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For selected recent contributions, see: (a) Reggelin, M.; Kuehl, J.; Kaiser, J. P.; Buehle, P. Synthesis 2006, 2224.
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Reggelin, M.1
Kuehl, J.2
Kaiser, J.P.3
Buehle, P.4
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(c) Adrien, A.; Gais, H.-J.; Koehler, F.; Runsink, J.; Raabe, G. Org. Lett. 2007, 9, 2155.
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Adrien, A.1
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Runsink, J.4
Raabe, G.5
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(a) Bolm, C.; Müller, D.; Dalhoff, C.; Hackenberger, C. P. R.; Weinhold, E. Bioorg. Med. Chem. Lett. 2003, 13, 3207.
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Bolm, C.1
Müller, D.2
Dalhoff, C.3
Hackenberger, C.P.R.4
Weinhold, E.5
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5
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15444368954
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and references therein
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(b) Cho, G. Y.; Okamura, H.; Bolm, C. J. Org. Chem. 2005, 70, 2346 and references therein.
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J. Org. Chem
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Cho, G.Y.1
Okamura, H.2
Bolm, C.3
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0344844429
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Reviews: a
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Reviews: (a) Harmata, M. Chem. Abstr. 2003, 16, 660.
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Chem. Abstr
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Harmata, M.1
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Reggelin, M.; Zur, C. Synthesis 2000, 1.
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(c) Reggelin, M.; Zur, C. Synthesis 2000, 1.
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11
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84890977660
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Enders, D, Jäger, K.-E, Eds, Wiley-VCH: Weinheim
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(d) Bolm, C. In Asymmetric Synthesis with Chemical and Biological Methods; Enders, D.; Jäger, K.-E., Eds.; Wiley-VCH: Weinheim, 2007, 149.
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Asymmetric Synthesis with Chemical and Biological Methods
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Bolm, C.1
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12
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38549090943
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For a selection of recent patents emphasizing this point, see: a, WO 037800 A1, 2005; Schering AG
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For a selection of recent patents emphasizing this point, see: (a) Luecking, U.; Krüger, M.; Jautelat, R.; Siemeister, G. WO 037800 A1, 2005; Schering AG.
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Luecking, U.1
Krüger, M.2
Jautelat, R.3
Siemeister, G.4
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14
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38549154356
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WO 071455 A1, 2007; Schering AG
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(c) Luecking, U.; Nguyen, D.; von Bonin, A.; von Ahsen, O.; Krueger, M.; Briem, H.; Kettschau, H.; Prien, O.; Mengel, A.; Krolikiewicz, K.; Boemer, U.; Bothe, U.; Hartung, I. WO 071455 A1, 2007; Schering AG.
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Luecking, U.1
Nguyen, D.2
von Bonin, A.3
von Ahsen, O.4
Krueger, M.5
Briem, H.6
Kettschau, H.7
Prien, O.8
Mengel, A.9
Krolikiewicz, K.10
Boemer, U.11
Bothe, U.12
Hartung, I.13
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15
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38549143013
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Luecking, U. EP 1 710 246 A1, 2006; Schering AG.
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(d) Luecking, U. EP 1 710 246 A1, 2006; Schering AG.
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16
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38549099983
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Luecking, U.; Bader, B.; Siemeister, G. EP 1 803 723 A1, 2007; Bayer Schering Pharma.
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(e) Luecking, U.; Bader, B.; Siemeister, G. EP 1 803 723 A1, 2007; Bayer Schering Pharma.
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17
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38549170796
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WO 077574 A2, 2007; Cadila Healthcare Limited
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(f) Shetty, S. J.; Patel, G. D.; Lohray, B. B.; Lohray, V. B.; Chakrabarti, G.; Chatterjee, A.; Jain, M. J.; Patel, P. R. WO 077574 A2, 2007; Cadila Healthcare Limited.
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Shetty, S.J.1
Patel, G.D.2
Lohray, B.B.3
Lohray, V.B.4
Chakrabarti, G.5
Chatterjee, A.6
Jain, M.J.7
Patel, P.R.8
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18
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38549134251
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Zhu, Y.; Rogers, R. B.; Huang, Y. X. US 228027 A1, 2005; Dow Agroscience.
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(g) Zhu, Y.; Rogers, R. B.; Huang, Y. X. US 228027 A1, 2005; Dow Agroscience.
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22
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38549087258
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WO 052849, Nippon Soda Co, Ltd
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(k) Kajita, S.; Ohmura, H.; Akashi, M.; Kojima, S.; Satoh, A.; Tomida, K. WO 052849, 2004; Nippon Soda Co., Ltd.
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(2004)
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Kajita, S.1
Ohmura, H.2
Akashi, M.3
Kojima, S.4
Satoh, A.5
Tomida, K.6
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24
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34848854176
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Garcia Mancheño, O.; Bistri, O.; Bolm, C. Org. Lett. 2007, 9, 3809.
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(2007)
Org. Lett
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Garcia Mancheño, O.1
Bistri, O.2
Bolm, C.3
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25
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38549165038
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For regioselective syntheses and applications of triazoles, see: a, Katritzky, A. R, Rees, C. W, Scriven, E. F. V, Eds, Pergamon: Oxford UK
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For regioselective syntheses and applications of triazoles, see: (a) Butler, R. N. In Comprehensive Heterocyclic Chemistry, Vol. 4; Katritzky, A. R.; Rees, C. W.; Scriven, E. F. V., Eds.; Pergamon: Oxford UK, 1996, 121.
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(1996)
Comprehensive Heterocyclic Chemistry
, vol.4
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Butler, R.N.1
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26
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34248146410
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(b) Yoo, E. J.; Ahlquist, M.; Kim, S. H.; Bae, I.; Fokin, V. V.; Sharpless, K. B.; Chang, S. Angew. Chem. Int. Ed. 2007, 46, 1730.
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Angew. Chem. Int. Ed
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Yoo, E.J.1
Ahlquist, M.2
Kim, S.H.3
Bae, I.4
Fokin, V.V.5
Sharpless, K.B.6
Chang, S.7
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29
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34147189535
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Sklute, G.; Bolm, C.; Marek, I. Org. Lett. 2007, 9, 1259.
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(2007)
Org. Lett
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Sklute, G.1
Bolm, C.2
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0036139906
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(a) Lacôte, E.; Amatore, M.; Fensterbank, L.; Malacria, M. Synlett 2002, 116.
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(2002)
Synlett
, pp. 116
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Lacôte, E.1
Amatore, M.2
Fensterbank, L.3
Malacria, M.4
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31
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(b) Leca, D.; Song, K.; Amatore, M.; Fensterbank, L.; Lacote, E.; Malacria, M. Chem. Eur. J. 2004, 10, 906.
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Chem. Eur. J
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Leca, D.1
Song, K.2
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Fensterbank, L.4
Lacote, E.5
Malacria, M.6
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2542470498
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For recently developed alternative imination protocols, see: a
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For recently developed alternative imination protocols, see: (a) Okamura, H.; Bolm, C. Org. Lett. 2004, 6, 1305.
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(2004)
Org. Lett
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Okamura, H.1
Bolm, C.2
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35
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38549182226
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Refs 6 and 7
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(d) Refs 6 and 7.
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36
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38549085552
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In the reactions reported here, racemic sulfoximines were used
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In the reactions reported here, racemic sulfoximines were used.
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37
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38549136656
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The interactions between the benzylic hydrogens and the hydrogens of the alkyl or alkoxy chain in the 1H-NOESY spectra also confirmed the molecular structures of triazole derivatives 3b-e,g,h. Although present in the crude product mixtures, the other regioisomers (triazoles 5) could never be obtained in pure form Figure 1, Chemical Equation Presented
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1H-NOESY spectra also confirmed the molecular structures of triazole derivatives 3b-e,g,h. Although present in the crude product mixtures, the other regioisomers (triazoles 5) could never be obtained in pure form (Figure 1). (Chemical Equation Presented)
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38
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38549130107
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General Procedure for the Cycloaddition Reaction Under vigorous stirring a mixture of NaN3 (12 equiv) and the corresponding bromide (15 equiv) was heated to reflux in H2O (0.7 M) for 1 h. Then, a solution of sulfoximine 4 (1 equiv) in CH2Cl2 (0.08 M) was added dropwise. After 3 h at 100°C under reflux and stirring, the product was extracted with CH2Cl2 and purified by flash column chromatography. As representative example, the analytical data for 1-benzyl-5-butyl-4-(N-tosyl, 4-methylphenylsulfonimidoyl)-1H-1,2, 3-triazole (3a) obtained from the reaction of sulfoximine 4a with benzyl azide are given. Colorless oil (68, chromatography: EtOAc-pentane (1:3, 1H NMR (400 MHz, CDCl3, δ, 0.79 (t, J, 7.0 Hz, 3 H, 1.21-1.29 (m, 4 H, 2.37 (s, 3 H, 2.41 (s, 3 H, 2.76-2.85 (m, 1 H, 2.93-3.02 (m, 1 H, 5.44 d, J, 15.5 Hz, 1 H, 5.49
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3: C, 62.04; H, 5.79; N, 10.72. Found: C, 62.06; H, 5.81; N, 11.14.
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