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1
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33846906752
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-
For a recent general review on asymmetric Mannich(-type) reactions, see: G. K. Friestad, A. K. Mathies, Tetrahedron 2007, 63, 2541.
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For a recent general review on asymmetric Mannich(-type) reactions, see: G. K. Friestad, A. K. Mathies, Tetrahedron 2007, 63, 2541.
-
-
-
-
2
-
-
70349928142
-
-
For recent reviews on direct catalytic asymmetric Mannich(-type) reactions to give ß-amino carbonyl compounds, see
-
For recent reviews on direct catalytic asymmetric Mannich(-type) reactions to give ß-amino carbonyl compounds, see:
-
-
-
-
3
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70349954296
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M. M. B. Marques, Angew. Chem. 2006, 118, 356; Angew. Chem. Int. Ed. 2006, 45, 348;
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Chem. Rev
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Mukherjee, S.1
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(a) E. M. Phillips, T. E. Reynolds, K. A. Scheldt, J. Am. Chem. Soc. 2008, 130, 2416;
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J. Am. Chem. Soc
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Phillips, E.M.1
Reynolds, T.E.2
Scheldt, K.A.3
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9
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67749124296
-
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for related studies on stereoselective homoenolate additions catalyzed by N-hetero-cyclic carbenes, see the following review
-
b) M. Rommel, T. Fukuzumi, J. W. Bode, J. Am. Chem. Soc. 2008, 130, 17266; for related studies on stereoselective homoenolate additions catalyzed by N-hetero-cyclic carbenes, see the following review:
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J. Am. Chem. Soc
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Rommel, M.1
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Chem. Rev
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70349928164
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K. Juhl, N. Gathergood, K. A. Jørgensen, Angew. Chem. 2001, 113, 3083; Angew. Chem. Int. Ed. 2001, 40, 2995.
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K. Juhl, N. Gathergood, K. A. Jørgensen, Angew. Chem. 2001, 113, 3083; Angew. Chem. Int. Ed. 2001, 40, 2995.
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12
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70349951669
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G. Lu, H. Morimoto, S. Matsunaga, M. Shibasaki, Angew. Chem. 2008, 120, 6953; Angew. Chem. Int. Ed. 2008, 47, 6847.
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G. Lu, H. Morimoto, S. Matsunaga, M. Shibasaki, Angew. Chem. 2008, 120, 6953; Angew. Chem. Int. Ed. 2008, 47, 6847.
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-
-
-
13
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70349950096
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-
For selected examples of other catalytic asymmetric approaches to the synthesis of γ-amino acids, see the following review on the synthesis of glutamic acid derivatives
-
For selected examples of other catalytic asymmetric approaches to the synthesis of γ-amino acids, see the following review on the synthesis of glutamic acid derivatives:
-
-
-
-
14
-
-
0036224968
-
-
for γ amination, see
-
a) V. A. Soloshonok, Curr. Org. Chem. 2002, 6, 341; for γ amination, see:
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(2002)
Curr. Org. Chem
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Soloshonok, V.A.1
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15
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33749527371
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S. Bertelsen, M. Marigo, S. Brandes, P. Dinér, K. A. Jørgensen, J. Am. Chem. Soc. 2006, 128, 12973; see also the following review on the use of glycine Schiff bases as donors in asymmetric synthesis:
-
b) S. Bertelsen, M. Marigo, S. Brandes, P. Dinér, K. A. Jørgensen, J. Am. Chem. Soc. 2006, 128, 12973; see also the following review on the use of glycine Schiff bases as donors in asymmetric synthesis:
-
-
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16
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70349953548
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T. Ooi, K. Maruoka, Angew. Chem. 2007, 119, 4300; Angew. Chem. Int. Ed. 2007, 46, 4222.
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c) T. Ooi, K. Maruoka, Angew. Chem. 2007, 119, 4300; Angew. Chem. Int. Ed. 2007, 46, 4222.
-
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17
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70349928162
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For the use of related glyoxanilides as electrophiles in catalytic enantioselective reactions, see
-
For the use of related glyoxanilides as electrophiles in catalytic enantioselective reactions, see:
-
-
-
-
19
-
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34547725857
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for transformations of anilides into carboxylic acids, esters, amides, and alcohols under mild reaction conditions, see
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b) D. A. Evans, Y. Aye, J. Am. Chem. Soc. 2007, 129, 9606; for transformations of anilides into carboxylic acids, esters, amides, and alcohols under mild reaction conditions, see:
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J. Am. Chem. Soc
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Evans, D.A.1
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33846473111
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and references cited therein
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(2006)
Synlett
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Chen, Z.1
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48249148123
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For a recent review on bifunctional Lewis acid/Brønsted base asymmetric metal catalysis, see: S. Matsunaga, M. Shibasaki, Bull. Chem. Soc. Ipn. 2008, 81, 60.
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For a recent review on bifunctional Lewis acid/Brønsted base asymmetric metal catalysis, see: S. Matsunaga, M. Shibasaki, Bull. Chem. Soc. Ipn. 2008, 81, 60.
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-
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24
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70349975249
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For a lanthanum/lithium catalyst, see
-
For a lanthanum/lithium catalyst, see:
-
-
-
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25
-
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34547803869
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for zinc catalysts, see
-
a) H. Morimoto, G. Lu, N. Aoyama, S. Matsunaga, M. Shibasaki, J. Am. Chem. Soc. 2007, 129, 9588; for zinc catalysts, see:
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J. Am. Chem. Soc
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Morimoto, H.1
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3242668608
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b) S. Matsunaga, T. Yoshida, H. Morimoto, N. Kumagai, M. Shibasaki, J. Am. Chem. Soc. 2004, 126, 8777;
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Matsunaga, S.1
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70349937427
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T. Yoshida, H. Morimoto, N. Kumagai, S. Matsunaga, M. Shibasaki, Angew. Chem. 2005, 117, 3536; Angew. Chem. Int. Ed. 2005, 44, 3470; for an indium catalyst, see:
-
c) T. Yoshida, H. Morimoto, N. Kumagai, S. Matsunaga, M. Shibasaki, Angew. Chem. 2005, 117, 3536; Angew. Chem. Int. Ed. 2005, 44, 3470; for an indium catalyst, see:
-
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28
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70349956007
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-
S. Harada, S. Handa, S. Matsunaga, M. Shibasaki, Angew. Chem. 2005, 117, 4439; Angew. Chem. Int. Ed. 2005, 44, 4365; for a barium catalyst, see:
-
d) S. Harada, S. Handa, S. Matsunaga, M. Shibasaki, Angew. Chem. 2005, 117, 4439; Angew. Chem. Int. Ed. 2005, 44, 4365; for a barium catalyst, see:
-
-
-
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29
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34548154771
-
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for an yttrium catalyst, see
-
e) A. Yamaguchi, N. Aoyama, S. Matsunaga, M. Shibasaki, Org. Lett. 2007, 9, 3387; for an yttrium catalyst, see:
-
(2007)
Org. Lett
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Yamaguchi, A.1
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28244460830
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for a lanthanum catalyst, see
-
f) M. Sugita, A. Yamaguchi, N. Yamagiwa, S. Handa, S. Matsunaga, M. Shibasaki, Org. Lett. 2005, 7, 5339; for a lanthanum catalyst, see:
-
(2005)
Org. Lett
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Sugita, M.1
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g) A. Yamaguchi, S. Matsunaga, M. Shibasaki, Org. Lett. 2008, 10, 2319.
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32
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70349961049
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For bifunctional dinuclear Schiff base catalysts developed by our research group, see: CuSm-la
-
For bifunctional dinuclear Schiff base catalysts developed by our research group, see: CuSm-la:
-
-
-
-
33
-
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34247463317
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-
PdLa-la
-
a) S. Handa, V. Gnanadesikan, S. Matsunaga, M. Shibasaki, J. Am. Chem. Soc. 2007, 129, 4900; PdLa-la:
-
(2007)
J. Am. Chem. Soc
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Handa, S.1
Gnanadesikan, V.2
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Shibasaki, M.4
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34
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70349963973
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-
2-lb:
-
2-lb:
-
-
-
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36
-
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70349939049
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-
Z. Chen, M. Furutachi, Y. Kato, S. Matsunaga, M. Shibasaki, Angew. Chem. 2009, 121, 2252-2254; Angew. Chem. Int. Ed. 2009, 48, 2218-2220.
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d) Z. Chen, M. Furutachi, Y. Kato, S. Matsunaga, M. Shibasaki, Angew. Chem. 2009, 121, 2252-2254; Angew. Chem. Int. Ed. 2009, 48, 2218-2220.
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37
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70349957559
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For selected examples of related bifunctional bimetallic Schiff base complexes in asymmetric catalysis, see
-
For selected examples of related bifunctional bimetallic Schiff base complexes in asymmetric catalysis, see:
-
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38
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0037424485
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and references cited therein;
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67749143917
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2-Schiff base complexes as epoxidation catalysts, see also:
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2-Schiff base complexes as epoxidation catalysts, see also:
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43
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70349950088
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For selected recent examples of the use of sulfonyl imines to improve stereoselectivity in asymmetric Mannich-type reactions, see
-
For selected recent examples of the use of sulfonyl imines to improve stereoselectivity in asymmetric Mannich-type reactions, see:
-
-
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45
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57149107381
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J. Hernandez-Toribio, R. Gómez Arrayás, J. C. Carretero, J. Am. Chem. Soc. 2008, 130,16150, and references cited therein;
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a) J. Hernandez-Toribio, R. Gómez Arrayás, J. C. Carretero, J. Am. Chem. Soc. 2008, 130,16150, and references cited therein;
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46
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47
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70349975241
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For a review on the use of the Ns group in organic synthesis, see
-
For a review on the use of the Ns group in organic synthesis, see:
-
-
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48
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353; Ns-substituted imines 3 were synthesized by a literature procedure
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a) T. Kan, T. Fukuyama, Chem. Commun. 2004, 353; Ns-substituted imines 3 were synthesized by a literature procedure:
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Chem. Commun
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Kan, T.1
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53
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70349967244
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For the stereoselective synthesis of azetidine-2-carboxylic acids (L-aze analogues) and their incorporation into peptides, see the following review:
-
For the stereoselective synthesis of azetidine-2-carboxylic acids (L-aze analogues) and their incorporation into peptides, see the following review:
-
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54
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4444226240
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and references cited therein; for selected examples, see
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Couty, F.1
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A. P. Kozikowski, Y. Liao, W. Tückmantel, S. Wang, S. Pshenichkin, A. Surin, C. Thomsen, J. T. Wroblewski, Bioorg. Med. Chem. Lett. 1996, 6, 2559; for related studies, see also:
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e) A. P. Kozikowski, Y. Liao, W. Tückmantel, S. Wang, S. Pshenichkin, A. Surin, C. Thomsen, J. T. Wroblewski, Bioorg. Med. Chem. Lett. 1996, 6, 2559; for related studies, see also:
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60
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H. Morimoto, T. Yoshino, T. Yukawa, G. Lu, S. Matsunaga, M. Shibasaki, Angew. Chem. 2008, 120, 9265; Angew. Chem. Int. Ed. 2008, 47, 9125; for related studies on the synthesis of azetidines with the syn-syn and the anti-syn configuration, see also:
-
(a) H. Morimoto, T. Yoshino, T. Yukawa, G. Lu, S. Matsunaga, M. Shibasaki, Angew. Chem. 2008, 120, 9265; Angew. Chem. Int. Ed. 2008, 47, 9125; for related studies on the synthesis of azetidines with the syn-syn and the anti-syn configuration, see also:
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-
-
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61
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70349937414
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H. Morimoto, S. H. Wiedemann, A. Yamaguchi, S. Harada, Z. Chen, S. Matsunaga, M. Shibasaki, Angew. Chem. 2006, 118, 3218; Angew. Chem. Int. Ed. 2006, 45, 3146.
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b) H. Morimoto, S. H. Wiedemann, A. Yamaguchi, S. Harada, Z. Chen, S. Matsunaga, M. Shibasaki, Angew. Chem. 2006, 118, 3218; Angew. Chem. Int. Ed. 2006, 45, 3146.
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62
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70349950075
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At the moment, the reason for the high anti selectivity is not clear. We speculate that the cooperative function of two Ni centers may be important, as observed in our previous studies on different reactions with bimetallic Schiff base complexes.[10] Mechanistic studies to clarify the role in the present reaction of the two nickel atoms in the catalyst are ongoing
-
[10] Mechanistic studies to clarify the role in the present reaction of the two nickel atoms in the catalyst are ongoing.
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