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(a) Grellier, P.; Ramiaramanana, L.; Millerioux, V.; Deharo, E.; Schrével, J.; Frappier, F.; Trigalo, F.; Bodo, B.; Pousset, J.-L. Phytotherapy Res. 1996, 10, 317.
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Schrével, J.5
Frappier, F.6
Trigalo, F.7
Bodo, B.8
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Pieters, L.3
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Turger, C.A.5
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7
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0036682302
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Jonckers, T. H. M.; Van Miert, S.; Cimanga, K.; Bailly, C.; Colson, P.; De Pauw, M.-C.; Lemière, F.; Esmans, E. L.; Rozenski, J.; Quirijnen, L.; Maes, L.; Dommisse, R.; Lemière, G. L. F.; Vlietinck, A.; Pieters, L. J. Med. Chem. 2002, 45, 3497.
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Van Miert, S.2
Cimanga, K.3
Bailly, C.4
Colson, P.5
De Pauw, M.-C.6
Lemière, F.7
Esmans, E.L.8
Rozenski, J.9
Quirijnen, L.10
Maes, L.11
Dommisse, R.12
Lemière, G.L.F.13
Vlietinck, A.14
Pieters, L.15
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8
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0034815684
-
-
For the synthesis of 11H-indolo[3,2-c]quinolines see: (a) Arcadi, A.; Cacchi, S.; Cassetta, A.; Fabrizi, G.; Parisi, L. M. Synlett 2001, 1605. (b) Mouaddib, A.; Joseph, B.; Hasnaoui, A.; Mérour, J.-Y. Synthesis 2000, 549. (c) Cacchi, S.; Fabrizi, G.; Pace, P.; Marinelli, F. Synlett 1999, 620. (d) Go, M.-L.; Ngiam, T.-L.; Tan, A. L.-C.; Kuaha, K.; Wilairat, P. Eur. J. Pharm. Sci. 1998, 6, 19. (e) Molina, A.; Vaquero, J. J.; Garcia-Navio, J. L.; Alvarez-Builla, J.; Pascual-Teresa, B.; Gago; F.; Rodrigo, M. M.; Ballesteros, M. J. Org. Chem. 1996, 61, 5587. (f) Trécourt, F.; Mongin, F.; Mallet, M.; Quéguiner, G. Synth. Commun. 1995, 25, 4011. (g) Go, M. L.; Ngiam, T. L.; Phillipson, J. D.; Kirby, G. C.; O'Neill, M. J.; Warhurst, D. C. Eur. J. Med. Chem. 1992, 27, 301. (h) Molina, P.; Alajarin, M.; Vidal, A. Tetrahedron 1990, 46, 1063. (i) Dave, V.; Warnhoff, E. W. Tetrahedron 1975, 31, 1255.
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(2001)
Synlett
, pp. 1605
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Arcadi, A.1
Cacchi, S.2
Cassetta, A.3
Fabrizi, G.4
Parisi, L.M.5
-
9
-
-
0034074722
-
-
For the synthesis of 11H-indolo[3,2-c]quinolines see: (a) Arcadi, A.; Cacchi, S.; Cassetta, A.; Fabrizi, G.; Parisi, L. M. Synlett 2001, 1605. (b) Mouaddib, A.; Joseph, B.; Hasnaoui, A.; Mérour, J.-Y. Synthesis 2000, 549. (c) Cacchi, S.; Fabrizi, G.; Pace, P.; Marinelli, F. Synlett 1999, 620. (d) Go, M.-L.; Ngiam, T.-L.; Tan, A. L.-C.; Kuaha, K.; Wilairat, P. Eur. J. Pharm. Sci. 1998, 6, 19. (e) Molina, A.; Vaquero, J. J.; Garcia-Navio, J. L.; Alvarez-Builla, J.; Pascual-Teresa, B.; Gago; F.; Rodrigo, M. M.; Ballesteros, M. J. Org. Chem. 1996, 61, 5587. (f) Trécourt, F.; Mongin, F.; Mallet, M.; Quéguiner, G. Synth. Commun. 1995, 25, 4011. (g) Go, M. L.; Ngiam, T. L.; Phillipson, J. D.; Kirby, G. C.; O'Neill, M. J.; Warhurst, D. C. Eur. J. Med. Chem. 1992, 27, 301. (h) Molina, P.; Alajarin, M.; Vidal, A. Tetrahedron 1990, 46, 1063. (i) Dave, V.; Warnhoff, E. W. Tetrahedron 1975, 31, 1255.
-
(2000)
Synthesis
, pp. 549
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Mouaddib, A.1
Joseph, B.2
Hasnaoui, A.3
Mérour, J.-Y.4
-
10
-
-
0032953559
-
-
For the synthesis of 11H-indolo[3,2-c]quinolines see: (a) Arcadi, A.; Cacchi, S.; Cassetta, A.; Fabrizi, G.; Parisi, L. M. Synlett 2001, 1605. (b) Mouaddib, A.; Joseph, B.; Hasnaoui, A.; Mérour, J.-Y. Synthesis 2000, 549. (c) Cacchi, S.; Fabrizi, G.; Pace, P.; Marinelli, F. Synlett 1999, 620. (d) Go, M.-L.; Ngiam, T.-L.; Tan, A. L.-C.; Kuaha, K.; Wilairat, P. Eur. J. Pharm. Sci. 1998, 6, 19. (e) Molina, A.; Vaquero, J. J.; Garcia-Navio, J. L.; Alvarez-Builla, J.; Pascual-Teresa, B.; Gago; F.; Rodrigo, M. M.; Ballesteros, M. J. Org. Chem. 1996, 61, 5587. (f) Trécourt, F.; Mongin, F.; Mallet, M.; Quéguiner, G. Synth. Commun. 1995, 25, 4011. (g) Go, M. L.; Ngiam, T. L.; Phillipson, J. D.; Kirby, G. C.; O'Neill, M. J.; Warhurst, D. C. Eur. J. Med. Chem. 1992, 27, 301. (h) Molina, P.; Alajarin, M.; Vidal, A. Tetrahedron 1990, 46, 1063. (i) Dave, V.; Warnhoff, E. W. Tetrahedron 1975, 31, 1255.
-
(1999)
Synlett
, pp. 620
-
-
Cacchi, S.1
Fabrizi, G.2
Pace, P.3
Marinelli, F.4
-
11
-
-
0031983679
-
-
For the synthesis of 11H-indolo[3,2-c]quinolines see: (a) Arcadi, A.; Cacchi, S.; Cassetta, A.; Fabrizi, G.; Parisi, L. M. Synlett 2001, 1605. (b) Mouaddib, A.; Joseph, B.; Hasnaoui, A.; Mérour, J.-Y. Synthesis 2000, 549. (c) Cacchi, S.; Fabrizi, G.; Pace, P.; Marinelli, F. Synlett 1999, 620. (d) Go, M.-L.; Ngiam, T.-L.; Tan, A. L.-C.; Kuaha, K.; Wilairat, P. Eur. J. Pharm. Sci. 1998, 6, 19. (e) Molina, A.; Vaquero, J. J.; Garcia-Navio, J. L.; Alvarez-Builla, J.; Pascual-Teresa, B.; Gago; F.; Rodrigo, M. M.; Ballesteros, M. J. Org. Chem. 1996, 61, 5587. (f) Trécourt, F.; Mongin, F.; Mallet, M.; Quéguiner, G. Synth. Commun. 1995, 25, 4011. (g) Go, M. L.; Ngiam, T. L.; Phillipson, J. D.; Kirby, G. C.; O'Neill, M. J.; Warhurst, D. C. Eur. J. Med. Chem. 1992, 27, 301. (h) Molina, P.; Alajarin, M.; Vidal, A. Tetrahedron 1990, 46, 1063. (i) Dave, V.; Warnhoff, E. W. Tetrahedron 1975, 31, 1255.
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(1998)
Eur. J. Pharm. Sci.
, vol.6
, pp. 19
-
-
Go, M.-L.1
Ngiam, T.-L.2
Tan, A.L.-C.3
Kuaha, K.4
Wilairat, P.5
-
12
-
-
0029783957
-
-
For the synthesis of 11H-indolo[3,2-c]quinolines see: (a) Arcadi, A.; Cacchi, S.; Cassetta, A.; Fabrizi, G.; Parisi, L. M. Synlett 2001, 1605. (b) Mouaddib, A.; Joseph, B.; Hasnaoui, A.; Mérour, J.-Y. Synthesis 2000, 549. (c) Cacchi, S.; Fabrizi, G.; Pace, P.; Marinelli, F. Synlett 1999, 620. (d) Go, M.-L.; Ngiam, T.-L.; Tan, A. L.-C.; Kuaha, K.; Wilairat, P. Eur. J. Pharm. Sci. 1998, 6, 19. (e) Molina, A.; Vaquero, J. J.; Garcia-Navio, J. L.; Alvarez-Builla, J.; Pascual-Teresa, B.; Gago; F.; Rodrigo, M. M.; Ballesteros, M. J. Org. Chem. 1996, 61, 5587. (f) Trécourt, F.; Mongin, F.; Mallet, M.; Quéguiner, G. Synth. Commun. 1995, 25, 4011. (g) Go, M. L.; Ngiam, T. L.; Phillipson, J. D.; Kirby, G. C.; O'Neill, M. J.; Warhurst, D. C. Eur. J. Med. Chem. 1992, 27, 301. (h) Molina, P.; Alajarin, M.; Vidal, A. Tetrahedron 1990, 46, 1063. (i) Dave, V.; Warnhoff, E. W. Tetrahedron 1975, 31, 1255.
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(1996)
J. Org. Chem.
, vol.61
, pp. 5587
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Molina, A.1
Vaquero, J.J.2
Garcia-Navio, J.L.3
Alvarez-Builla, J.4
Pascual-Teresa, B.5
Gago, F.6
Rodrigo, M.M.7
Ballesteros, M.8
-
13
-
-
0029614868
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-
For the synthesis of 11H-indolo[3,2-c]quinolines see: (a) Arcadi, A.; Cacchi, S.; Cassetta, A.; Fabrizi, G.; Parisi, L. M. Synlett 2001, 1605. (b) Mouaddib, A.; Joseph, B.; Hasnaoui, A.; Mérour, J.-Y. Synthesis 2000, 549. (c) Cacchi, S.; Fabrizi, G.; Pace, P.; Marinelli, F. Synlett 1999, 620. (d) Go, M.-L.; Ngiam, T.-L.; Tan, A. L.-C.; Kuaha, K.; Wilairat, P. Eur. J. Pharm. Sci. 1998, 6, 19. (e) Molina, A.; Vaquero, J. J.; Garcia-Navio, J. L.; Alvarez-Builla, J.; Pascual-Teresa, B.; Gago; F.; Rodrigo, M. M.; Ballesteros, M. J. Org. Chem. 1996, 61, 5587. (f) Trécourt, F.; Mongin, F.; Mallet, M.; Quéguiner, G. Synth. Commun. 1995, 25, 4011. (g) Go, M. L.; Ngiam, T. L.; Phillipson, J. D.; Kirby, G. C.; O'Neill, M. J.; Warhurst, D. C. Eur. J. Med. Chem. 1992, 27, 301. (h) Molina, P.; Alajarin, M.; Vidal, A. Tetrahedron 1990, 46, 1063. (i) Dave, V.; Warnhoff, E. W. Tetrahedron 1975, 31, 1255.
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(1995)
Synth. Commun.
, vol.25
, pp. 4011
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Trécourt, F.1
Mongin, F.2
Mallet, M.3
Quéguiner, G.4
-
14
-
-
0013163046
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-
For the synthesis of 11H-indolo[3,2-c]quinolines see: (a) Arcadi, A.; Cacchi, S.; Cassetta, A.; Fabrizi, G.; Parisi, L. M. Synlett 2001, 1605. (b) Mouaddib, A.; Joseph, B.; Hasnaoui, A.; Mérour, J.-Y. Synthesis 2000, 549. (c) Cacchi, S.; Fabrizi, G.; Pace, P.; Marinelli, F. Synlett 1999, 620. (d) Go, M.-L.; Ngiam, T.-L.; Tan, A. L.-C.; Kuaha, K.; Wilairat, P. Eur. J. Pharm. Sci. 1998, 6, 19. (e) Molina, A.; Vaquero, J. J.; Garcia-Navio, J. L.; Alvarez-Builla, J.; Pascual-Teresa, B.; Gago; F.; Rodrigo, M. M.; Ballesteros, M. J. Org. Chem. 1996, 61, 5587. (f) Trécourt, F.; Mongin, F.; Mallet, M.; Quéguiner, G. Synth. Commun. 1995, 25, 4011. (g) Go, M. L.; Ngiam, T. L.; Phillipson, J. D.; Kirby, G. C.; O'Neill, M. J.; Warhurst, D. C. Eur. J. Med. Chem. 1992, 27, 301. (h) Molina, P.; Alajarin, M.; Vidal, A. Tetrahedron 1990, 46, 1063. (i) Dave, V.; Warnhoff, E. W. Tetrahedron 1975, 31, 1255.
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(1992)
Eur. J. Med. Chem.
, vol.27
, pp. 301
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Go, M.L.1
Ngiam, T.L.2
Phillipson, J.D.3
Kirby, G.C.4
O'Neill, M.J.5
Warhurst, D.C.6
-
15
-
-
0025262404
-
-
For the synthesis of 11H-indolo[3,2-c]quinolines see: (a) Arcadi, A.; Cacchi, S.; Cassetta, A.; Fabrizi, G.; Parisi, L. M. Synlett 2001, 1605. (b) Mouaddib, A.; Joseph, B.; Hasnaoui, A.; Mérour, J.-Y. Synthesis 2000, 549. (c) Cacchi, S.; Fabrizi, G.; Pace, P.; Marinelli, F. Synlett 1999, 620. (d) Go, M.-L.; Ngiam, T.-L.; Tan, A. L.-C.; Kuaha, K.; Wilairat, P. Eur. J. Pharm. Sci. 1998, 6, 19. (e) Molina, A.; Vaquero, J. J.; Garcia-Navio, J. L.; Alvarez-Builla, J.; Pascual-Teresa, B.; Gago; F.; Rodrigo, M. M.; Ballesteros, M. J. Org. Chem. 1996, 61, 5587. (f) Trécourt, F.; Mongin, F.; Mallet, M.; Quéguiner, G. Synth. Commun. 1995, 25, 4011. (g) Go, M. L.; Ngiam, T. L.; Phillipson, J. D.; Kirby, G. C.; O'Neill, M. J.; Warhurst, D. C. Eur. J. Med. Chem. 1992, 27, 301. (h) Molina, P.; Alajarin, M.; Vidal, A. Tetrahedron 1990, 46, 1063. (i) Dave, V.; Warnhoff, E. W. Tetrahedron 1975, 31, 1255.
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(1990)
Tetrahedron
, vol.46
, pp. 1063
-
-
Molina, P.1
Alajarin, M.2
Vidal, A.3
-
16
-
-
0001309269
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-
For the synthesis of 11H-indolo[3,2-c]quinolines see: (a) Arcadi, A.; Cacchi, S.; Cassetta, A.; Fabrizi, G.; Parisi, L. M. Synlett 2001, 1605. (b) Mouaddib, A.; Joseph, B.; Hasnaoui, A.; Mérour, J.-Y. Synthesis 2000, 549. (c) Cacchi, S.; Fabrizi, G.; Pace, P.; Marinelli, F. Synlett 1999, 620. (d) Go, M.-L.; Ngiam, T.-L.; Tan, A. L.-C.; Kuaha, K.; Wilairat, P. Eur. J. Pharm. Sci. 1998, 6, 19. (e) Molina, A.; Vaquero, J. J.; Garcia-Navio, J. L.; Alvarez-Builla, J.; Pascual-Teresa, B.; Gago; F.; Rodrigo, M. M.; Ballesteros, M. J. Org. Chem. 1996, 61, 5587. (f) Trécourt, F.; Mongin, F.; Mallet, M.; Quéguiner, G. Synth. Commun. 1995, 25, 4011. (g) Go, M. L.; Ngiam, T. L.; Phillipson, J. D.; Kirby, G. C.; O'Neill, M. J.; Warhurst, D. C. Eur. J. Med. Chem. 1992, 27, 301. (h) Molina, P.; Alajarin, M.; Vidal, A. Tetrahedron 1990, 46, 1063. (i) Dave, V.; Warnhoff, E. W. Tetrahedron 1975, 31, 1255.
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(1975)
Tetrahedron
, vol.31
, pp. 1255
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Dave, V.1
Warnhoff, E.W.2
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17
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3743113417
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For recent reviews on the Buchwald-Hartwig reaction see: (a) Barañano, D.; Mann, G.; Hartwig, J. F. Curr. Org. Chem. 1997, 1, 287. (b) Frost, C. G.; Mendonça, P. J. Chem. Soc., Perkin Trans. 1 1998, 2615. (c) Hartwig, J. F. Angew. Chem. Int. Ed. 1998, 37, 2046. (d) Muci, A. R.; Buchwald, S. L. Top. Curr. Chem. 2002, 219, 131.
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Curr. Org. Chem.
, vol.1
, pp. 287
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Barañano, D.1
Mann, G.2
Hartwig, J.F.3
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18
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33748656316
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For recent reviews on the Buchwald-Hartwig reaction see: (a) Barañano, D.; Mann, G.; Hartwig, J. F. Curr. Org. Chem. 1997, 1, 287. (b) Frost, C. G.; Mendonça, P. J. Chem. Soc., Perkin Trans. 1 1998, 2615. (c) Hartwig, J. F. Angew. Chem. Int. Ed. 1998, 37, 2046. (d) Muci, A. R.; Buchwald, S. L. Top. Curr. Chem. 2002, 219, 131.
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(1998)
J. Chem. Soc., Perkin Trans. 1
, pp. 2615
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Frost, C.G.1
Mendonça, P.2
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19
-
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0032541260
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-
For recent reviews on the Buchwald-Hartwig reaction see: (a) Barañano, D.; Mann, G.; Hartwig, J. F. Curr. Org. Chem. 1997, 1, 287. (b) Frost, C. G.; Mendonça, P. J. Chem. Soc., Perkin Trans. 1 1998, 2615. (c) Hartwig, J. F. Angew. Chem. Int. Ed. 1998, 37, 2046. (d) Muci, A. R.; Buchwald, S. L. Top. Curr. Chem. 2002, 219, 131.
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(1998)
Angew. Chem. Int. Ed.
, vol.37
, pp. 2046
-
-
Hartwig, J.F.1
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20
-
-
3743113417
-
-
For recent reviews on the Buchwald-Hartwig reaction see: (a) Barañano, D.; Mann, G.; Hartwig, J. F. Curr. Org. Chem. 1997, 1, 287. (b) Frost, C. G.; Mendonça, P. J. Chem. Soc., Perkin Trans. 1 1998, 2615. (c) Hartwig, J. F. Angew. Chem. Int. Ed. 1998, 37, 2046. (d) Muci, A. R.; Buchwald, S. L. Top. Curr. Chem. 2002, 219, 131.
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(2002)
Top. Curr. Chem.
, vol.219
, pp. 131
-
-
Muci, A.R.1
Buchwald, S.L.2
-
21
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0001713836
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-
For examples on intramolecular Pd-catalyzed arylation of N-(o-bromoazaheteroaryl)anilines and N-azaheteroaryl-2-bromoanilines see: (a) Ames, D. E.; Bull, D. Tetrahedron 1982, 38, 383. (b) Iwaki, T.; Yasuhara, A.; Sakamoto, T. J. Chem. Soc., Perkin Trans. 1 1999, 1505.
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(1982)
Tetrahedron
, vol.38
, pp. 383
-
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Ames, D.E.1
Bull, D.2
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22
-
-
0000401303
-
-
For examples on intramolecular Pd-catalyzed arylation of N-(o-bromoazaheteroaryl)anilines and N-azaheteroaryl-2-bromoanilines see: (a) Ames, D. E.; Bull, D. Tetrahedron 1982, 38, 383. (b) Iwaki, T.; Yasuhara, A.; Sakamoto, T. J. Chem. Soc., Perkin Trans. 1 1999, 1505.
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(1999)
J. Chem. Soc., Perkin Trans. 1
, pp. 1505
-
-
Iwaki, T.1
Yasuhara, A.2
Sakamoto, T.3
-
23
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0036406094
-
-
Just before submitting this manuscript an article appeared dealing with intramolecular Pd-catalyzed arylation of N-(2-chloroaryl)-N-methylanilines and N-benzyl-N-(2-chloroaryl)-anilines: Bedford, R. B.; Cazin, C. S. J. Chem. Commun. 2002, 2310.
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(2002)
J. Chem. Commun.
, pp. 2310
-
-
Bedford, R.B.1
Cazin, C.S.2
-
24
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0033693716
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Several examples of the beneficial effect of the use of large excesses of inorganic bases in Pd-catalyzed aminations using Pd(BINAP) catalyst have already been reported by our research group: (a) Košmrlj, J.; Maes, B. U. W.; Lemière, G. L. F.; Haemers, A. Synlett 2000, 1581. (b) Jonckers, T. H. M.; Maes, B. U. W.; Lemière, G. L. F.; Dommisse, R. Tetrahedron 2001, 57, 7027. (c) Maes, B. U. W.; Loones, K. T. J.; Jonckers, T. H. M.; Lemière, G. L. F.; Dommisse, R. A.; Haemers, A. Synlett 2002, 1995.
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(2000)
Synlett
, pp. 1581
-
-
Košmrlj, J.1
Maes, B.U.W.2
Lemière, G.L.F.3
Haemers, A.4
-
25
-
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0035817077
-
-
Several examples of the beneficial effect of the use of large excesses of inorganic bases in Pd-catalyzed aminations using Pd(BINAP) catalyst have already been reported by our research group: (a) Košmrlj, J.; Maes, B. U. W.; Lemière, G. L. F.; Haemers, A. Synlett 2000, 1581. (b) Jonckers, T. H. M.; Maes, B. U. W.; Lemière, G. L. F.; Dommisse, R. Tetrahedron 2001, 57, 7027. (c) Maes, B. U. W.; Loones, K. T. J.; Jonckers, T. H. M.; Lemière, G. L. F.; Dommisse, R. A.; Haemers, A. Synlett 2002, 1995.
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(2001)
Tetrahedron
, vol.57
, pp. 7027
-
-
Jonckers, T.H.M.1
Maes, B.U.W.2
Lemière, G.L.F.3
Dommisse, R.4
-
26
-
-
0036454157
-
-
Several examples of the beneficial effect of the use of large excesses of inorganic bases in Pd-catalyzed aminations using Pd(BINAP) catalyst have already been reported by our research group: (a) Košmrlj, J.; Maes, B. U. W.; Lemière, G. L. F.; Haemers, A. Synlett 2000, 1581. (b) Jonckers, T. H. M.; Maes, B. U. W.; Lemière, G. L. F.; Dommisse, R. Tetrahedron 2001, 57, 7027. (c) Maes, B. U. W.; Loones, K. T. J.; Jonckers, T. H. M.; Lemière, G. L. F.; Dommisse, R. A.; Haemers, A. Synlett 2002, 1995.
-
(2002)
Synlett
, pp. 1995
-
-
Maes, B.U.W.1
Loones, K.T.J.2
Jonckers, T.H.M.3
Lemière, G.L.F.4
Dommisse, R.A.5
Haemers, A.6
-
27
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85087593223
-
-
note
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3 were performed.
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28
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0013157111
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For the Pd-catalyzed amination of 2-chloroquinoline with ethyl 2-amino-4-phenyl-1,3-thiazole-5-carboxylate see: Yin, J.; Zhao, M. M.; Huffman, M. A.: McNamara, J. M. Org. Lett. 2002, 4, 3481.
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(2002)
Org. Lett.
, vol.4
, pp. 3481
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Yin, J.1
Zhao, M.M.2
Huffman, M.A.3
McNamara, J.M.4
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29
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0037012946
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For the Ni-catalyzed amination of 2-chloroquinoline see: Desmarets, C.; Schneider, R.; Fort, Y. J. Org. Chem. 2002, 67, 3029.
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(2002)
J. Org. Chem.
, vol.67
, pp. 3029
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Desmarets, C.1
Schneider, R.2
Fort, Y.3
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31
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0013116779
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note
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2-(Dicyclohexylphosphino)biphenyl, 2-(di-t-butyl-phosphino)biphenyl and tri-t-butylphosphine are commercially available from Strem Chemicals.
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-
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32
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0013073061
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note
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Tripotassium phosphate (minimum 98%) was obtained from Sigma (catalogue number: P-5629). The pellets were finely grinded in a mortar.
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33
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0033534423
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Tri-t-butylphosphine has already been used as an effective ligand in intermolecular Heck reactions of non-activated aryl chlorides with alkenes: (a) Littke, A. F.; Fu, G. C. J. Org. Chem. 1999, 64, 10. (b) Ehrentraut, A.; Zapf, A.; Beller, M. Synlett 2000, 1589. (c) N,N-Dicyclohexyl-methylamine was found to be a superior base for intermolecular Heck reactions of non-activated aryl chloride substrates in comparison with inorganic bases: Littke, A. F.; Fu, G. C. J. Am. Chem. Soc. 2001, 123, 6989. Attempts to use 1.1 equiv of this amine in our intramolecular Pd-catalyzed arylation reaction on 10 gave no better result since starting material remained after 36 h heating.
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(1999)
J. Org. Chem.
, vol.64
, pp. 10
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-
Littke, A.F.1
Fu, G.C.2
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34
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0033677599
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Tri-t-butylphosphine has already been used as an effective ligand in intermolecular Heck reactions of non-activated aryl chlorides with alkenes: (a) Littke, A. F.; Fu, G. C. J. Org. Chem. 1999, 64, 10. (b) Ehrentraut, A.; Zapf, A.; Beller, M. Synlett 2000, 1589. (c) N,N-Dicyclohexyl-methylamine was found to be a superior base for intermolecular Heck reactions of non-activated aryl chloride substrates in comparison with inorganic bases: Littke, A. F.; Fu, G. C. J. Am. Chem. Soc. 2001, 123, 6989. Attempts to use 1.1 equiv of this amine in our intramolecular Pd-catalyzed arylation reaction on 10 gave no better result since starting material remained after 36 h heating.
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(2000)
Synlett
, pp. 1589
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Ehrentraut, A.1
Zapf, A.2
Beller, M.3
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35
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0034838172
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Tri-t-butylphosphine has already been used as an effective ligand in intermolecular Heck reactions of non-activated aryl chlorides with alkenes: (a) Littke, A. F.; Fu, G. C. J. Org. Chem. 1999, 64, 10. (b) Ehrentraut, A.; Zapf, A.; Beller, M. Synlett 2000, 1589. (c) N,N-Dicyclohexyl-methylamine was found to be a superior base for intermolecular Heck reactions of non-activated aryl chloride substrates in comparison with inorganic bases: Littke, A. F.; Fu, G. C. J. Am. Chem. Soc. 2001, 123, 6989. Attempts to use 1.1 equiv of this amine in our intramolecular Pd-catalyzed arylation reaction on 10 gave no better result since starting material remained after 36 h heating.
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(2001)
J. Am. Chem. Soc.
, vol.123
, pp. 6989
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-
Littke, A.F.1
Fu, G.C.2
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36
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0013121432
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note
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Most probably an interphase mechanism is acting since the large excess of base used in the Pd-catalyzed reaction does not dissolve in the solvent used. The insoluble excess speeds up these Pd-catalyzed reactions by supplying a higher surface area.
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37
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0013117180
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note
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4 for the cyclodehydrohalogenation of 10 gave similar results as with 10 equiv while the cyclization of 6 gave a significant rate decrease in comparison with the reference experiment where 10 equiv of base were used.
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38
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0013162128
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Dubovitskii, S. V.; Radchenko, O. S.; Novikov, V. L. Russ. Chem. Bull. 1996, 45, 2657.
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(1996)
Russ. Chem. Bull.
, vol.45
, pp. 2657
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Dubovitskii, S.V.1
Radchenko, O.S.2
Novikov, V.L.3
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40
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0033214203
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(a) Fresneda, P. M.; Molina, P.; Delgado, S. Tetrahedron Lett. 1999, 40, 7275.
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(1999)
Tetrahedron Lett.
, vol.40
, pp. 7275
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Fresneda, P.M.1
Molina, P.2
Delgado, S.3
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41
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0035898246
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(b) Fresneda, P. M.; Molina, P.; Delgado, S. Tetrahedron 2001, 57, 6197.
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(2001)
Tetrahedron
, vol.57
, pp. 6197
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Fresneda, P.M.1
Molina, P.2
Delgado, S.3
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42
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0037193143
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While our work was in progress an article appeared dealing with a photochemical synthesis of isocryptolepine: Kumar, R. N.; Suresh, T.; Mohan, P. S. Tetrahedron Lett. 2002, 43, 3327.
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(2002)
Tetrahedron Lett.
, vol.43
, pp. 3327
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Kumar, R.N.1
Suresh, T.2
Mohan, P.S.3
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43
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0013117181
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note
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3): δ = 103.8, 119.8, 120.5, 121.4, 124.3, 125.7, 125.8, 127.6, 129.5, 130.2, 130.3, 137.2, 145.9, 149.3, 150.8. LRMS (DCI): 255.
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44
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0013071921
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note
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18
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45
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0013120822
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note
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1b
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