-
2
-
-
4143094833
-
-
special issue: Acc. Chem. Res. 2004, 37, 487-631;
-
b) special issue: Acc. Chem. Res. 2004, 37, 487-631;
-
-
-
-
3
-
-
34548446609
-
-
special issue: Adv. Synth. Catal. 2004, 346, 1007-1249;
-
c) special issue: Adv. Synth. Catal. 2004, 346, 1007-1249;
-
-
-
-
7
-
-
34250870731
-
-
a) N. Marion, S. Díez-González, S. P Nolan, Angew. Chem. Int. Ed. 2007, 46, 2988-3000;
-
(2007)
Angew. Chem. Int. Ed
, vol.46
, pp. 2988-3000
-
-
Marion, N.1
Díez-González, S.2
Nolan, S.P.3
-
10
-
-
33845202285
-
-
a) M. He, G. J. Uc, J. W. Bode, J. Am. Chem. Soc. 2006, 128, 15088-15089;
-
(2006)
J. Am. Chem. Soc
, vol.128
, pp. 15088-15089
-
-
He, M.1
Uc, G.J.2
Bode, J.W.3
-
11
-
-
33745685959
-
-
b) M. He, J. R. Struble, J. W. Bode, J. Am. Chem. Soc. 2006, 128, 8418-8420;
-
(2006)
J. Am. Chem. Soc
, vol.128
, pp. 8418-8420
-
-
He, M.1
Struble, J.R.2
Bode, J.W.3
-
12
-
-
34250822311
-
-
for a related intramolecular Michael reaction, see: E. M. Phillips. M. Wadamoto, A. Chan, K. A. Scheidt, Angew. Chem. Int. Ed. 2007, 46, 3107-3110.
-
c) for a related intramolecular Michael reaction, see: E. M. Phillips. M. Wadamoto, A. Chan, K. A. Scheidt, Angew. Chem. Int. Ed. 2007, 46, 3107-3110.
-
-
-
-
13
-
-
33947696588
-
-
P.-C. Chiang, J. Kaeobamrung, J. W. Bode, J. Am. Chem. Soc. 2007, 129, 3520-3521.
-
(2007)
J. Am. Chem. Soc
, vol.129
, pp. 3520-3521
-
-
Chiang, P.-C.1
Kaeobamrung, J.2
Bode, J.W.3
-
14
-
-
0345732180
-
-
This is especially attractive to avoid elaborate separation techniques as, e.g, provided in continous-flow systems: a G. Jas, A. Kirschning, Chem. Eur. J. 2003, 9, 5708-5723;
-
This is especially attractive to avoid elaborate separation techniques as, e.g., provided in continous-flow systems: a) G. Jas, A. Kirschning, Chem. Eur. J. 2003, 9, 5708-5723;
-
-
-
-
15
-
-
0035823834
-
-
b) A. M. Hafez, A. E. Taggi, T. Dudding, T. Lectka, J. Am. Chem. Soc. 2001, 123, 10853-10859.
-
(2001)
J. Am. Chem. Soc
, vol.123
, pp. 10853-10859
-
-
Hafez, A.M.1
Taggi, A.E.2
Dudding, T.3
Lectka, T.4
-
16
-
-
33748257080
-
-
For a detailed discussion on this topic, see: a
-
For a detailed discussion on this topic, see: a) F. Cozzi, Adv. Synth. Catal. 2006, 348, 1367-1390;
-
(2006)
Adv. Synth. Catal
, vol.348
, pp. 1367-1390
-
-
Cozzi, F.1
-
18
-
-
0035804384
-
-
a) A. Kirschning, H. Monenschein, R. Wittenberg, Angew. Chem. Int. Ed. 2001, 40, 650-679;
-
(2001)
Angew. Chem. Int. Ed
, vol.40
, pp. 650-679
-
-
Kirschning, A.1
Monenschein, H.2
Wittenberg, R.3
-
19
-
-
20844433475
-
-
b) S. V. Ley, I. R. Baxendale, R. N. Bream, P. S. Jackson, A. G. Leach, D. A. Longbottom, M. Nesi, J. S. Scott, R. I. Storer, S. J. Taylor, J. Chem. Soc., Perkin Trans. 1 2000, 3815-4195;
-
(2000)
J. Chem. Soc., Perkin Trans. 1
, pp. 3815-4195
-
-
Ley, S.V.1
Baxendale, I.R.2
Bream, R.N.3
Jackson, P.S.4
Leach, A.G.5
Longbottom, D.A.6
Nesi, M.7
Scott, J.S.8
Storer, R.I.9
Taylor, S.J.10
-
21
-
-
33846818369
-
-
In addition, several approaches for the immobilization of NHC ligands, mainly for Pd or Ru complexes, have been reported; a W. J. Sommer, M. Weck, Coord. Chem. Rev. 2007, 251, 860-873;
-
In addition, several approaches for the immobilization of NHC ligands, mainly for Pd or Ru complexes, have been reported; a) W. J. Sommer, M. Weck, Coord. Chem. Rev. 2007, 251, 860-873;
-
-
-
-
24
-
-
33749348908
-
-
Z.-Z. Zhou, F.-Q. Ji, M. Cao, G.-F. Yang, Adv. Synth. Catal. 2006, 348, 1826-1830.
-
(2006)
Adv. Synth. Catal
, vol.348
, pp. 1826-1830
-
-
Zhou, Z.-Z.1
Ji, F.-Q.2
Cao, M.3
Yang, G.-F.4
-
25
-
-
4644225048
-
-
and references cited therein
-
A. G. M. Barrett, A. C. Love, L. Tedeschi, Org. Lett. 2004, 6, 3377-3380, and references cited therein.
-
(2004)
Org. Lett
, vol.6
, pp. 3377-3380
-
-
Barrett, A.G.M.1
Love, A.C.2
Tedeschi, L.3
-
26
-
-
7044254973
-
-
a) S. Anajaiah, S. Chandrasekhar, R. Grée, Adv. Synth. Catal. 2004, 346, 1329-1334;
-
(2004)
Adv. Synth. Catal
, vol.346
, pp. 1329-1334
-
-
Anajaiah, S.1
Chandrasekhar, S.2
Grée, R.3
-
27
-
-
34548436820
-
-
[11]
-
[11]
-
-
-
-
28
-
-
0037012920
-
-
a) C. W. Tornøe, C. Christensen, M. Meldal, J. Org. Chem. 2002, 67, 3057-3064;
-
(2002)
J. Org. Chem
, vol.67
, pp. 3057-3064
-
-
Tornøe, C.W.1
Christensen, C.2
Meldal, M.3
-
29
-
-
0037099395
-
-
b) V. V. Rostovtsev, L. G. Green, V. V. Fokin, K. B. Sharpless, Angew. Chem. Int. Ed. 2002, 41, 2596-2599;
-
(2002)
Angew. Chem. Int. Ed
, vol.41
, pp. 2596-2599
-
-
Rostovtsev, V.V.1
Green, L.G.2
Fokin, V.V.3
Sharpless, K.B.4
-
30
-
-
84867726453
-
-
for recent reviews, see: c
-
for recent reviews, see: c) V. D. Bock, H. Hiemstra, J. H. van Maarseveen, Eur. J. Org. Chem. 2006, 51-68;
-
(2006)
Eur. J. Org. Chem
, pp. 51-68
-
-
Bock, V.D.1
Hiemstra, H.2
van Maarseveen, J.H.3
-
34
-
-
0141518157
-
-
b) S. Löber, P. Rodriguez-Loaiza, P. Gmeiner, Org. Lett. 2003, 5, 1753-1755.
-
(2003)
Org. Lett
, vol.5
, pp. 1753-1755
-
-
Löber, S.1
Rodriguez-Loaiza, P.2
Gmeiner, P.3
-
35
-
-
0000096835
-
-
H. C. Kolb, M. G. Finn, K. B. Sharpless, Angew. Chem. Int. Ed. 2001, 40, 2004-2021.
-
(2001)
Angew. Chem. Int. Ed
, vol.40
, pp. 2004-2021
-
-
Kolb, H.C.1
Finn, M.G.2
Sharpless, K.B.3
-
36
-
-
33750447664
-
-
In general, the 1,2,3-triazole moiety shows high chemical inertness; for a rare, recent example of its use in Diels-Alder reactions under harsh conditions, see: A. Diáz-Ortiz, A. de Cózar, P. Prieto, A. de La Hoz, A. Moreno, Tetrahedron Lett. 2006, 47, 8761-8764.
-
In general, the 1,2,3-triazole moiety shows high chemical inertness; for a rare, recent example of its use in Diels-Alder reactions under harsh conditions, see: A. Diáz-Ortiz, A. de Cózar, P. Prieto, A. de La Hoz, A. Moreno, Tetrahedron Lett. 2006, 47, 8761-8764.
-
-
-
-
40
-
-
33745683614
-
-
a) A. Gheorghe, A. Matsuno, O. Reiser, Adv. Synth. Catal. 2006, 348, 1016-1020;
-
(2006)
Adv. Synth. Catal
, vol.348
, pp. 1016-1020
-
-
Gheorghe, A.1
Matsuno, A.2
Reiser, O.3
-
41
-
-
33750516307
-
-
b) A. Gheorghe, E. Cuevas-Yañez, J. Horn, W. Bannwarth, B. Narsaiah, O. Reiser, Synlett 2006, 2767-2770.
-
(2006)
Synlett
, pp. 2767-2770
-
-
Gheorghe, A.1
Cuevas-Yañez, E.2
Horn, J.3
Bannwarth, W.4
Narsaiah, B.5
Reiser, O.6
-
42
-
-
20744459179
-
-
a) A. Gißibl, M. G Finn, O. Reiser, Org. Lett. 2005, 7, 2325-2328:
-
(2005)
Org. Lett
, vol.7
, pp. 2325-2328
-
-
Gißibl, A.1
Finn, M.G.2
Reiser, O.3
-
43
-
-
34047194291
-
-
b) A. Bastero, D. Font, M. A. Pericas, J. Org. Chem. 2007, 72, 2460-2468.
-
(2007)
J. Org. Chem
, vol.72
, pp. 2460-2468
-
-
Bastero, A.1
Font, D.2
Pericas, M.A.3
-
44
-
-
34548401488
-
-
As a result of such possible perturbations of the catalytic sites some erosion in enantioselectivites was observed
-
As a result of such possible perturbations of the catalytic sites some erosion in enantioselectivites was observed.
-
-
-
-
45
-
-
33750070045
-
-
D. Font, C. Jimeno, M. A. Pericàs, Org. Lett. 2006, 8, 4653-4655.
-
(2006)
Org. Lett
, vol.8
, pp. 4653-4655
-
-
Font, D.1
Jimeno, C.2
Pericàs, M.A.3
-
46
-
-
34248145294
-
-
For a combined Michael addition/cycloaddition immobilization approach in a packed-bed reactor, see: A. R. Bogdan, B. P. Mason, K. T. Sylvester, D. T. McQuade, Angew. Chem. Int. Ed. 2007, 46, 1698-1701.
-
For a combined Michael addition/cycloaddition immobilization approach in a packed-bed reactor, see: A. R. Bogdan, B. P. Mason, K. T. Sylvester, D. T. McQuade, Angew. Chem. Int. Ed. 2007, 46, 1698-1701.
-
-
-
-
47
-
-
0036811238
-
-
T. J. Dickerson, N. N. Reed, K. D. Janda, Chem. Rev. 2002, 102, 3325-3343.
-
(2002)
Chem. Rev
, vol.102
, pp. 3325-3343
-
-
Dickerson, T.J.1
Reed, N.N.2
Janda, K.D.3
-
50
-
-
15944397964
-
-
There are only few examples for the direct ligation of functional molecules bearing cationic groups via a CuAAC reaction: a H. A. Orgueira, D. Fokas, Y. Isome, P. C.-M. Chan, C. M. Baldino, Tetrahedron Lett. 2005, 46, 2911-2914;
-
There are only few examples for the direct ligation of functional molecules bearing cationic groups via a CuAAC reaction: a) H. A. Orgueira, D. Fokas, Y. Isome, P. C.-M. Chan, C. M. Baldino, Tetrahedron Lett. 2005, 46, 2911-2914;
-
-
-
-
51
-
-
33747624198
-
-
b) W. R. Dichtel, O. Š. Miljanić, J. M. Spruell, J. R. Heath, J. F. Stoddart, J. Am. Chem. Soc. 2006, 128, 10388-10390;
-
(2006)
J. Am. Chem. Soc
, vol.128
, pp. 10388-10390
-
-
Dichtel, W.R.1
Miljanić, O.S.2
Spruell, J.M.3
Heath, J.R.4
Stoddart, J.F.5
-
52
-
-
34247100252
-
-
c) M. Ikeda, T. Hasegawa, M. Numata, K. Sugikawa, K. Sakurai, M. Fujiki, S. Shinkai, J. Am. Chem. Soc. 2007, 129, 3979-3988.
-
(2007)
J. Am. Chem. Soc
, vol.129
, pp. 3979-3988
-
-
Ikeda, M.1
Hasegawa, T.2
Numata, M.3
Sugikawa, K.4
Sakurai, K.5
Fujiki, M.6
Shinkai, S.7
-
53
-
-
33750002217
-
-
a) S. Díez-González, A. Correa, L. Cavallo, S. P. Nolan, Chem. Eur. J. 2006, 12, 7558-7564;
-
(2006)
Chem. Eur. J
, vol.12
, pp. 7558-7564
-
-
Díez-González, S.1
Correa, A.2
Cavallo, L.3
Nolan, S.P.4
-
54
-
-
20344388819
-
-
in this context see also: b S. Narayan, J. Muldoon, M. G. Finn, V. V. Fokin, H. C. Kolb, K. B. Sharpless, Angew. Chem. Int. Ed. 2005, 44, 3275-3279.
-
in this context see also: b) S. Narayan, J. Muldoon, M. G. Finn, V. V. Fokin, H. C. Kolb, K. B. Sharpless, Angew. Chem. Int. Ed. 2005, 44, 3275-3279.
-
-
-
-
55
-
-
34250883966
-
-
Mechanistic investigations of Straub also indicate the important role of protonation and deprotonation processes within the catalytic cycle subject to the acidity of the reaction medium: C. Nolte, P. Mayer, B. F. Straub, Angew. Chem. Int. Ed. 2007, 46, 2101-2103
-
Mechanistic investigations of Straub also indicate the important role of protonation and deprotonation processes within the catalytic cycle subject to the acidity of the reaction medium: C. Nolte, P. Mayer, B. F. Straub, Angew. Chem. Int. Ed. 2007, 46, 2101-2103.
-
-
-
-
57
-
-
18844424752
-
-
For a recent review see
-
For a recent review see: M. Christmann, Angew. Chem. Int. Ed. 2005, 44, 2632-2634.
-
(2005)
Angew. Chem. Int. Ed
, vol.44
, pp. 2632-2634
-
-
Christmann, M.1
-
58
-
-
0037019628
-
-
M. S. Kerr, J. R. deAlaniz, T. Rovis, J. Am. Chem. Soc. 2002, 124, 10298-10299.
-
(2002)
J. Am. Chem. Soc
, vol.124
, pp. 10298-10299
-
-
Kerr, M.S.1
deAlaniz, J.R.2
Rovis, T.3
-
60
-
-
11844266606
-
-
b) T. Nakamura, O. Hara, T. Tamura, K. Makino, Y. Hamada, Synlett 2005, 155-157.
-
(2005)
Synlett
, pp. 155-157
-
-
Nakamura, T.1
Hara, O.2
Tamura, T.3
Makino, K.4
Hamada, Y.5
-
61
-
-
3242812738
-
-
Highly enantioselective triazolium-catalyzed formation of quarternary centers was developed by Rovis et al, M. S. Kerr, T. Rovis, J. Am. Chem. Soc. 2004, 126, 8876-8877; its racemic variant using commercially available thiazolium salts requires much higher catalyst loading and harsh reaction conditions 30 mol, 70°C, 24 h, see ref, 33b
-
[33b]
-
-
-
-
62
-
-
34548384168
-
-
In all cases, the purity of the isolated chromanones was > 95, 1H NMR, See Supporting Information
-
1H NMR). See Supporting Information.
-
-
-
-
63
-
-
33846807717
-
-
The use of ionic liquids as solvent for this microwavepromoted reaction might be an example of a non-innocent ionic liquid: a S. Chowdhury, R. S. Mohan, J. L. Scott, Tetrahedron 2007, 63, 2363-2389;
-
The use of ionic liquids as solvent for this microwavepromoted reaction might be an example of a "non-innocent" ionic liquid: a) S. Chowdhury, R. S. Mohan, J. L. Scott, Tetrahedron 2007, 63, 2363-2389;
-
-
-
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