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M. Beller, C. Breindl, T. H. Riermeier, M. Eichberger, H. Trauthwein, Angew. Chem. 1998, 110, 3571; Angew. Chem. Int. Ed. 1998, 37, 3389;
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b) see also M. Beller, M. Eichberger, H. Trauthwein, Angew. Chem. 1997, 109, 2306; Angew. Chem. Int. Ed. Engl. 1997, 36, 2225;
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b) see also M. Beller, M. Eichberger, H. Trauthwein, Angew. Chem. 1997, 109, 2306; Angew. Chem. Int. Ed. Engl. 1997, 36, 2225;
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11
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0001628407
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For other recent indole synthesis, see
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a) K. Iritani, S. Matsubara, K. Utimoto, Tetrahedron Lett. 1988, 29, 1799. For other recent indole synthesis, see:
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Iritani, K.1
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b) B. Witulski, T. Stengel, Angew. Chem. 1999, 111, 2521; Angew. Chem. Int. Ed. 1999, 38, 2426;
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b) B. Witulski, T. Stengel, Angew. Chem. 1999, 111, 2521; Angew. Chem. Int. Ed. 1999, 38, 2426;
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14
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0032715224
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c) M. T. Baumgartner, M. A. Nazareno, M. C. Murguia, A. B. Pierini, R. A. Rossi, Synthesis 1999, 2053;
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Synthesis
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Baumgartner, M.T.1
Nazareno, M.A.2
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a) A. Arcadi, S. Cacchi, F. Marinelli, Tetrahedron Lett. 1992, 33, 3915;
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b) S. Cacchi, G. Fabrizi, F. Marinelli, L. Moro, P. Pace, Synlett 1997, 1363;
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0028118842
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c) A. Arcadi, S. Cacchi, V. Carnicelli, F. Marinelli, Tetrahedron 1994, 50, 437.
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a) D. Tzalis, P. Knochel, Angew. Chem. 1999, 111, 1547; Angew. Chem. Int. Ed. 1999, 38, 1463;
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a) D. Tzalis, P. Knochel, Angew. Chem. 1999, 111, 1547; Angew. Chem. Int. Ed. 1999, 38, 1463;
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Angew. Chem. Int. Ed.
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23
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b) D. Tzalis, C. Koradin, P. Knochel, Tetrahedron Lett. 1999, 40, 6193.
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24
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a) E. E. Dueno, F. Chu, S.-I. Kim, K. W. Jung, Tetrahedron Lett. 1999, 40, 1843;
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25
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b) F. Chu, E. E. Dueno, K. W. Jung, Tetrahedron Lett. 1999, 40, 1847;
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Tetrahedron Lett.
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c) J. Busch-Peterson, Y. Bo, E. J. Corey, Tetrahedron Lett. 1999, 40, 2065.
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27
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0002103980
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The treatment of 1a with NaOEt in boiling ethanol does not lead to the corresponding indole 2a, showing that the use of NMP is essential for the direct cyclization of 1a to 2a; see also: T. Sakamoto, Y. Kondo, H. Yamanaka, Heterocycles 1986, 24, 31.
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(1986)
Heterocycles
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Sakamoto, T.1
Kondo, Y.2
Yamanaka, H.3
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28
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84918129478
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KOtBu has exceptional basic properties: a) M. Schlosser, Pure Appl. Chem. 1988, 60, 1627; b) M. Schlosser, J. Hartmann, J. Am. Chem. Soc. 1976, 98, 4647; c) M. Schlosser, G. Rauchschwalbe, J. Am. Chem. Soc. 1978, 100, 3258.
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Pure Appl. Chem.
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Schlosser, M.1
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29
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84918129478
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-
KOtBu has exceptional basic properties: a) M. Schlosser, Pure Appl. Chem. 1988, 60, 1627; b) M. Schlosser, J. Hartmann, J. Am. Chem. Soc. 1976, 98, 4647; c) M. Schlosser, G. Rauchschwalbe, J. Am. Chem. Soc. 1978, 100, 3258.
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Schlosser, M.1
Hartmann, J.2
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30
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0000760349
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KOtBu has exceptional basic properties: a) M. Schlosser, Pure Appl. Chem. 1988, 60, 1627; b) M. Schlosser, J. Hartmann, J. Am. Chem. Soc. 1976, 98, 4647; c) M. Schlosser, G. Rauchschwalbe, J. Am. Chem. Soc. 1978, 100, 3258.
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Schlosser, M.1
Rauchschwalbe, G.2
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31
-
-
0343700297
-
-
Cesium tert-butoxide is conveniently prepared by the addition of tBuOH to cesium in toluene at 0 C (15 min)
-
Cesium tert-butoxide is conveniently prepared by the addition of tBuOH to cesium in toluene at 0 C (15 min).
-
-
-
-
32
-
-
0343700298
-
-
note
-
The suspension of KH in NMP may generate the soluble potassium enolate of N-methylpyrrolidinone. Reaction products derived from this enolate have been isolated in related cyclization reactions.
-
-
-
-
33
-
-
84989498349
-
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a) S. Takahashi, Y. Kuroyama, K. Sonogashira, N. Hagihara, Synthesis 1980, 627;
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Synthesis
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Takahashi, S.1
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Sonogashira, K.3
Hagihara, N.4
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34
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-
84987551565
-
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b) T. Sakamoto, M. Shiraiwa, Y. Kondo, H. Yamanaka, Synthesis 1983, 312;
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Synthesis
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Sakamoto, T.1
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Yamanaka, H.4
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35
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0001439643
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c) A. F. Littke, G. C. Fu, Angew. Chem. 1999, 111, 2568; Angew. Chem. Int. Ed. 1999, 38, 2411.
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Littke, A.F.1
Fu, G.C.2
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36
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0033549832
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c) A. F. Littke, G. C. Fu, Angew. Chem. 1999, 111, 2568; Angew. Chem. Int. Ed. 1999, 38, 2411.
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(1999)
Angew. Chem. Int. Ed.
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-
-
-
39
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0343264684
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-
A patent application with the BASF AG has been filed
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A patent application with the BASF AG has been filed.
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