-
1
-
-
5344224096
-
Towards perfect catalytic asymmetric synthesis: Dual activation of the electrophile and the nucleophile
-
(a) Ma, J.; Cahard, D. Towards perfect catalytic asymmetric synthesis: Dual activation of the electrophile and the nucleophile. Angew. Chem., Int. Ed. 2004, 43, 4566;
-
(2004)
Angew. Chem., Int. Ed
, vol.43
, pp. 4566
-
-
Ma, J.1
Cahard, D.2
-
2
-
-
33846921296
-
Brønsted acids as additives for the direct asymmetric aldol reaction catalyzed by L-prolinethioamides: Direct evidence for enamine-iminium catalysis
-
(b) Gryko, D.; Zimnicka, M.; Lipinski, R. Brønsted acids as additives for the direct asymmetric aldol reaction catalyzed by L-prolinethioamides: Direct evidence for enamine-iminium catalysis. J. Org. Chem. 2007, 72, 964.
-
(2007)
J. Org. Chem
, vol.72
, pp. 964
-
-
Gryko, D.1
Zimnicka, M.2
Lipinski, R.3
-
3
-
-
16844374787
-
Designer acids: Combined acid catalysis for asymmetric synthesis
-
Yamamoto, H.; Futasugi, K. "Designer acids": Combined acid catalysis for asymmetric synthesis. Angew. Chem., Int. Ed. 2005, 44, 1924.
-
(2005)
Angew. Chem., Int. Ed
, vol.44
, pp. 1924
-
-
Yamamoto, H.1
Futasugi, K.2
-
4
-
-
6044269452
-
In the golden age of organocatalysis
-
(a) Dalko, P. I.; Moisan, L. In the golden age of organocatalysis. Angew. Chem., Int. Ed. 2004, 43, 5138;
-
(2004)
Angew. Chem., Int. Ed
, vol.43
, pp. 5138
-
-
Dalko, P.I.1
Moisan, L.2
-
5
-
-
36849062645
-
Lewis acid and organocatalyst- cocatalysed multicomponent reactions of 2-alkynylbenzaldehydes, amines, and ketones
-
(b) Ding, Q.; Wu, J. Lewis acid and organocatalyst- cocatalysed multicomponent reactions of 2-alkynylbenzaldehydes, amines, and ketones. Org. Lett. 2007, 24, 4959;
-
(2007)
Org. Lett
, vol.24
, pp. 4959
-
-
Ding, Q.1
Wu, J.2
-
6
-
-
0035886887
-
Enantioselective organocatalysis
-
(c) Dalko, P. I.; Moisan, L. Enantioselective organocatalysis. Angew. Chem., Int. Ed. 2001, 40, 3726;
-
(2001)
Angew. Chem., Int. Ed
, vol.40
, pp. 3726
-
-
Dalko, P.I.1
Moisan, L.2
-
7
-
-
33646573235
-
Direct catalytic intermolecular a-allylic alkylation of aldehydes by combination of transition-metal and organocatalysis
-
(d) Ibrahem, I.; Cordova, A. Direct catalytic intermolecular a-allylic alkylation of aldehydes by combination of transition-metal and organocatalysis. Angew. Chem., Int. Ed. 2006, 45, 1952.
-
(2006)
Angew. Chem., Int. Ed
, vol.45
, pp. 1952
-
-
Ibrahem, I.1
Cordova, A.2
-
11
-
-
0035794284
-
An asymmetric approach to coumarin anticoagulants via hetero-Diels-Alder cycloaddition
-
Cravotto, G.; Nano, G. M.; Palmisano, G.; Tagliapietra, S. An asymmetric approach to coumarin anticoagulants via hetero-Diels-Alder cycloaddition. Tetrahedron: Asymmetry 2001, 12, 707.
-
(2001)
Tetrahedron: Asymmetry
, vol.12
, pp. 707
-
-
Cravotto, G.1
Nano, G.M.2
Palmisano, G.3
Tagliapietra, S.4
-
12
-
-
0004102743
-
-
John Wiley & Sons: New York
-
Murray, R. D. H.; Mendez, J.; Brown, S. A. The Natural Coumarins: Occurrence, Chemistry, and Biochemistry; John Wiley & Sons: New York, 1982.
-
(1982)
The Natural Coumarins: Occurrence, Chemistry, and Biochemistry
-
-
Murray, R.D.H.1
Mendez, J.2
Brown, S.A.3
-
13
-
-
0007668175
-
-
Donnelly, B. J.; Donnelly, D. M. X.; Sullivan, A. M. O. Dalbergia species, VI: The occurrence of melannein in the genus Dalbergia. Tetrahedron 1968, 24, 2617.
-
Donnelly, B. J.; Donnelly, D. M. X.; Sullivan, A. M. O. Dalbergia species, VI: The occurrence of melannein in the genus Dalbergia. Tetrahedron 1968, 24, 2617.
-
-
-
-
14
-
-
36749097339
-
Microwave-assisted synthesis of coumarins via potassium carbonate catalyzed Knoevenagel condensation in 1-n-butyl- 3-methylimidazolium bromide ionic liquid
-
Hassan, V.; Abbas, S.; Gholipur, H. Microwave-assisted synthesis of coumarins via potassium carbonate catalyzed Knoevenagel condensation in 1-n-butyl- 3-methylimidazolium bromide ionic liquid. J. Heterocycl. Chem. 2007, 44, 867.
-
(2007)
J. Heterocycl. Chem
, vol.44
, pp. 867
-
-
Hassan, V.1
Abbas, S.2
Gholipur, H.3
-
15
-
-
0033525186
-
Montmorillonite KSF as an inorganic, water stable, and reusable catalyst for the Knoevenagel synthesis of coumarin-3-carboxylic acids
-
Bigi, F.; Chesini, L.; Maggi, R.; Sartori, G. Montmorillonite KSF as an inorganic, water stable, and reusable catalyst for the Knoevenagel synthesis of coumarin-3-carboxylic acids. J. Org. Chem. 1999, 64, 1033.
-
(1999)
J. Org. Chem
, vol.64
, pp. 1033
-
-
Bigi, F.1
Chesini, L.2
Maggi, R.3
Sartori, G.4
-
16
-
-
0032537144
-
A new and efficient route to 4-carboxymethylcoumarins mediated by vinyltriphenylphosphonium salt
-
Yavari, I.; Hekmat-shoar, R.; Zonuzi, A. A new and efficient route to 4-carboxymethylcoumarins mediated by vinyltriphenylphosphonium salt. Tetrahedron Lett. 1998, 39, 2391.
-
(1998)
Tetrahedron Lett
, vol.39
, pp. 2391
-
-
Yavari, I.1
Hekmat-shoar, R.2
Zonuzi, A.3
-
17
-
-
0006130026
-
Synthesis of coumarins by flash vacuum pyrolysis of 3-(2-hydroxyaryl)propenoic esters
-
Cartwright, G. A.; McNab, H. Synthesis of coumarins by flash vacuum pyrolysis of 3-(2-hydroxyaryl)propenoic esters. J. Chem. Res., Synop. 1997, 296.
-
(1997)
J. Chem. Res., Synop
, pp. 296
-
-
Cartwright, G.A.1
McNab, H.2
-
18
-
-
37049174330
-
Aluminium chloride, a new reagent for the condensation of beta-ketonic esters with phenols, part 1: The condensations of methyl β-resorcylate, β-resorcylic acid, and resacetophenone with ethyl acetoacetate
-
Sethna, S. M.; Shah, N. M.; Shah, R. C. Aluminium chloride, a new reagent for the condensation of beta-ketonic esters with phenols, part 1: The condensations of methyl β-resorcylate, β-resorcylic acid, and resacetophenone with ethyl acetoacetate. J. Chem. Soc. 1938, 228.
-
(1938)
J. Chem. Soc
, pp. 228
-
-
Sethna, S.M.1
Shah, N.M.2
Shah, R.C.3
-
19
-
-
37049144923
-
Hydroxy-carbonyl compounds, part V: The preparation of coumarins and 1:4-pyrones from phenol, p-cresol, quinol, and α-naphthol
-
Robertson, A.; Sandrock, W. F.; Henry, C. B. Hydroxy-carbonyl compounds, part V: The preparation of coumarins and 1:4-pyrones from phenol, p-cresol, quinol, and α-naphthol. J. Chem. Soc. 1931, 2426.
-
(1931)
J. Chem. Soc
, pp. 2426
-
-
Robertson, A.1
Sandrock, W.F.2
Henry, C.B.3
-
20
-
-
33947472724
-
A new one-step synthesis of substituted coumarins
-
(a) Woods, L. L.; Sapp, J. A new one-step synthesis of substituted coumarins. J. Org. Chem. 1962, 27, 3703-3705;
-
(1962)
J. Org. Chem
, vol.27
, pp. 3703-3705
-
-
Woods, L.L.1
Sapp, J.2
-
21
-
-
0039270711
-
Improved synthesis of some hydroxycoumarins
-
(b) Bulut, M.; Erk, C. Improved synthesis of some hydroxycoumarins. Dyes Pigment 1996, 30, 99.
-
(1996)
Dyes Pigment
, vol.30
, pp. 99
-
-
Bulut, M.1
Erk, C.2
-
24
-
-
0037049218
-
The indium( III) chloride-catalyzed von Pechmann reaction: A simple and effective procedure for the synthesis of 4-substituted coumarins
-
(c) Bose, D. S.; Rudradas, A. P.; Babu, M. H. The indium( III) chloride-catalyzed von Pechmann reaction: A simple and effective procedure for the synthesis of 4-substituted coumarins. Tetrahedron Lett. 2002, 43, 9195.
-
(2002)
Tetrahedron Lett
, vol.43
, pp. 9195
-
-
Bose, D.S.1
Rudradas, A.P.2
Babu, M.H.3
-
25
-
-
0345276806
-
Synthesis of coumarin by Yb(OTf)3-catalyzed Pechmann reaction under the solvent-free conditions
-
Wang, L.; Xia, J.; Tian, H.; Qian, C.; Ma, Y. Synthesis of coumarin by Yb(OTf)3-catalyzed Pechmann reaction under the solvent-free conditions. Ind. J. Chem. 2003, 42B, 2097.
-
(2003)
Ind. J. Chem
, vol.42 B
, pp. 2097
-
-
Wang, L.1
Xia, J.2
Tian, H.3
Qian, C.4
Ma, Y.5
-
26
-
-
20344387001
-
Convenient and efficient protocols for coumarin synthesis via Pechmann condensation in neutral ionic liquids
-
(a) Potdar, M. R.; Rasalkar, M. S.; Mohile, S. S.; Salunkhe, M. M. Convenient and efficient protocols for coumarin synthesis via Pechmann condensation in neutral ionic liquids. J. Mol. Catal. A: Chem. 2005, 235, 249;
-
(2005)
J. Mol. Catal. A: Chem
, vol.235
, pp. 249
-
-
Potdar, M.R.1
Rasalkar, M.S.2
Mohile, S.S.3
Salunkhe, M.M.4
-
28
-
-
17144422866
-
Pechmann reaction in non-chloroaluminate acidic ionic liquids under solvent-free conditions
-
(c) Gu, Y.; Zhang, J.; Duan, Z.; Deng, Y. Pechmann reaction in non-chloroaluminate acidic ionic liquids under solvent-free conditions. Adv. Synth. Catal. 2005, 347, 512.
-
(2005)
Adv. Synth. Catal
, vol.347
, pp. 512
-
-
Gu, Y.1
Zhang, J.2
Duan, Z.3
Deng, Y.4
-
29
-
-
33645787040
-
Sulfated zirconia, a mild alternative to mineral acids in the synthesis of hydroxycoumarins
-
(a) Rodriguez-Dominguez, J. C.; Kirsch, G. Sulfated zirconia, a mild alternative to mineral acids in the synthesis of hydroxycoumarins. Tetrahedron Lett. 2006, 47, 3279;
-
(2006)
Tetrahedron Lett
, vol.47
, pp. 3279
-
-
Rodriguez-Dominguez, J.C.1
Kirsch, G.2
-
30
-
-
33847339354
-
Benzylsulfonic acid functionalized mesoporous Zr-TMS catalysts: An efficient and recyclable catalyst for the preparation of coumarin derivatives by Pechmann condensation reaction
-
(b) Selvakumar, S.; Chidambaram, M.; Singh, A. P. Benzylsulfonic acid functionalized mesoporous Zr-TMS catalysts: An efficient and recyclable catalyst for the preparation of coumarin derivatives by Pechmann condensation reaction. Catal. Commun. 2007, 8, 777;
-
(2007)
Catal. Commun
, vol.8
, pp. 777
-
-
Selvakumar, S.1
Chidambaram, M.2
Singh, A.P.3
-
32
-
-
33745982939
-
A solvent-free synthesis of coumarins via Pechmann condensation using heterogeneous catalyst
-
Maheswara, M.; Siddaiah, V.; Damu, G. L. V.; Rao, Y. K.; Rao, C. V. A solvent-free synthesis of coumarins via Pechmann condensation using heterogeneous catalyst. J. Mol. Catal. A: Chem. 2006, 255, 49.
-
(2006)
J. Mol. Catal. A: Chem
, vol.255
, pp. 49
-
-
Maheswara, M.1
Siddaiah, V.2
Damu, G.L.V.3
Rao, Y.K.4
Rao, C.V.5
-
34
-
-
0032963761
-
Use of microwave irradiation and solid acid catalysts in an enhanced and environmentally friendly synthesis of coumarin derivatives
-
(a) de la Hoz, A.; Moreno, A.; azquez, E. Use of microwave irradiation and solid acid catalysts in an enhanced and environmentally friendly synthesis of coumarin derivatives. Synlett 1999, 608;
-
(1999)
Synlett
, pp. 608
-
-
de la1
Hoz, A.2
Moreno, A.3
azquez, E.4
-
35
-
-
0035832091
-
10: Application to the preparation of 4-substituted 7-aminocoumarins
-
10: Application to the preparation of 4-substituted 7-aminocoumarins. Tetrahedron Lett. 2001, 42, 2791.
-
(2001)
Tetrahedron Lett
, vol.42
, pp. 2791
-
-
Frere, S.1
Thiery, V.2
Besson, T.3
-
36
-
-
34948865839
-
Selective and effective oxone-catalysed a-iodination of ketones and 1,3-dicarbonyl compounds in the solid state
-
(a) Goswami, P.; Ali, S.; Khan, M. M.; Khan, A. T. Selective and effective oxone-catalysed a-iodination of ketones and 1,3-dicarbonyl compounds in the solid state. Arkivoc 2007, 15, 82;
-
(2007)
Arkivoc
, vol.15
, pp. 82
-
-
Goswami, P.1
Ali, S.2
Khan, M.M.3
Khan, A.T.4
-
37
-
-
47249161626
-
3: An efficient and effective solid acid catalyst for transesterification of b-keto esters under solvent-free condition
-
3: An efficient and effective solid acid catalyst for transesterification of b-keto esters under solvent-free condition. Catal. Lett. 2008, 124, 100;
-
(2008)
Catal. Lett
, vol.124
, pp. 100
-
-
Goswami, P.1
Bharadwaj, S.K.2
-
38
-
-
65449167598
-
One-pot synthesis of unsymmetrical dihydropyridines by green, catalyst free and environmentally benign protocol
-
(c) Goswami, P. One-pot synthesis of unsymmetrical dihydropyridines by green, catalyst free and environmentally benign protocol. Green Chem. Lett. Rev. 2008, 1, 173;
-
(2008)
Green Chem. Lett. Rev
, vol.1
, pp. 173
-
-
Goswami, P.1
-
39
-
-
67650317620
-
Metal-free one-pot approach towards the synthesis of Hantzsch esters and their application as the hydrogen source for the reduction of activated olefins catalysed by bromo dimethyl sulfonium bromide (BDMS)
-
(d) Goswami, P.; Ali, S.; Khan, M. M.; Das, B. Metal-free one-pot approach towards the synthesis of Hantzsch esters and their application as the hydrogen source for the reduction of activated olefins catalysed by bromo dimethyl sulfonium bromide (BDMS). Lett. Org. Chem. 2008, 5, 659.
-
(2008)
Lett. Org. Chem
, vol.5
, pp. 659
-
-
Goswami, P.1
Ali, S.2
Khan, M.M.3
Das, B.4
-
40
-
-
4644300447
-
Samarium(III)-catalyzed one-pot construction of coumarins
-
Bahekar, S. S.; Shinde, D. B. Samarium(III)-catalyzed one-pot construction of coumarins. Tetrahedron Lett. 2004, 45, 7999.
-
(2004)
Tetrahedron Lett
, vol.45
, pp. 7999
-
-
Bahekar, S.S.1
Shinde, D.B.2
-
41
-
-
33845449731
-
Zeolite-catalyzed Pechmann synthesis of coumarins
-
Hegedus, A.; Hell, Z. Zeolite-catalyzed Pechmann synthesis of coumarins. Catal. Lett. 2006, 112, 105.
-
(2006)
Catal. Lett
, vol.112
, pp. 105
-
-
Hegedus, A.1
Hell, Z.2
-
42
-
-
33746895130
-
Synthesis of coumarins by Pt-catalyzed hydroarylation of propiolic acids with phenols
-
Oyamada, J.; Kitamura, T. Synthesis of coumarins by Pt-catalyzed hydroarylation of propiolic acids with phenols. Tetrahedron 2006, 62, 6918.
-
(2006)
Tetrahedron
, vol.62
, pp. 6918
-
-
Oyamada, J.1
Kitamura, T.2
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