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0031726658
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14
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0032564850
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0013568515
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Ager, D. J., Ed. Marcel Dekker, Inc: New York, Chapter 18 and references therein
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Burk and co-workers have demonstrated that 1,2-bis(trans-2, 5-dialkylphospholano)benzene ligands (DuPHOS) bearing a 1,2-phenylene backbone are extremely effective in various asymmetric hydrogenations. Burk, M. J. in Handbook of Chiral Chemicals; Ager, D. J., Ed. Marcel Dekker, Inc: New York, 1999; Chapter 18 and references therein.
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17
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0011404010
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Takaya, H.; Mashima, K.; Koyano, K.; Yagi, M.; Kumobayashi, H.; Taketomi, T.; Akutagawa, S.; Noyori, R. J. Org. Chem. 1986, 51, 629.
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Noyori, R.8
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18
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0013621266
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-
note
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2: C, 58.73; H, 8.45. Found: C, 58.78; H, 8.44.
-
-
-
-
19
-
-
0013567653
-
-
note
-
w = 0.050, GOF 1.11, Flack parameter = 0.089(10). (formula presented)
-
-
-
-
20
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0013594196
-
-
2 = 10.70)
-
2 = 10.70).
-
-
-
-
21
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0013621896
-
-
The other isomer, (R, R)-1, was also prepared in a similar manner using dibenzoyl-L-tartaric acid ((-)-DBT)
-
The other isomer, (R, R)-1, was also prepared in a similar manner using dibenzoyl-L-tartaric acid ((-)-DBT).
-
-
-
-
23
-
-
0013568415
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-
note
-
w = 0.107, GOF 2.23.
-
-
-
-
24
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0000565505
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For recent reports on Rh-catalyzed asymmetric hydrogenations, see the following: (a) Qiao, S. ; Fu, G. C. J. Org. Chem. 1998, 63, 4168.
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Qiao, S.1
Fu, G.C.2
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25
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0001296673
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(b) Holz, J.; Quirmbach, M.; Schmidt, U.; Heller, D.; Stürmer, R.; Borner, A. J. Org. Chem. 1998, 63, 8031.
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Holz, J.1
Quirmbach, M.2
Schmidt, U.3
Heller, D.4
Stürmer, R.5
Borner, A.6
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26
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0032581486
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(c) Kang, J.; Lee, J. H.; Ahn, S. H.; Choi, J. S. Tetrahedron Lett. 1998, 39, 5523.
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Kang, J.1
Lee, J.H.2
Ahn, S.H.3
Choi, J.S.4
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27
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0033613696
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(d) Chen, Y.; Li, X.; Tong, S.-T.; Choi, M. C. K.; Chan, A S. C. Tetrahedron Lett. 1999, 40, 957.
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Chen, Y.1
Li, X.2
Tong, S.-T.3
Choi, M.C.K.4
Chan, A.S.C.5
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28
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0000918702
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(e) Hauptman, E.; Shapiro, R.; Marshall, W. Organometauics 1998, 17, 4976.
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(1998)
Organometauics
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Hauptman, E.1
Shapiro, R.2
Marshall, W.3
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