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1
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4243828492
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and references cited therein
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Kessar, S. V.; Singh, P. Chem. Rev. 1997, 97, 721 and references cited therein.
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Kessar, S.V.1
Singh, P.2
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3
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34247478895
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(b) Vedjes, E.; Prasad, B. A. S.; Kendall, J. T.; Russel, J. S. Tetrahedron 2003, 59, 9849.
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Tetrahedron
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Vedjes, E.1
Prasad, B.A.S.2
Kendall, J.T.3
Russel, J.S.4
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4
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0001817227
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Ariffin, A.; Blake, A. J.; Ebden, M. R.; Li, W. S.; Simpkins, N. S.; Fox, D. N. A. J. Chem. Soc. Perkin Trans. 1 1999, 2439.
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Ariffin, A.1
Blake, A.J.2
Ebden, M.R.3
Li, W.S.4
Simpkins, N.S.5
Fox, D.N.A.6
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5
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34247482991
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Ferry, V.; Twipet, L.; Gall, T. H.; Mioskowski, C. Anqew. Chem., Int. Ed. Engl. 1996, 35, 104.
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Anqew. Chem., Int. Ed. Engl
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Ferry, V.1
Twipet, L.2
Gall, T.H.3
Mioskowski, C.4
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6
-
-
0032517369
-
-
For seminal work on Lewis acid promoted deprotonative chemistry in gas phase see
-
For seminal work on Lewis acid promoted deprotonative chemistry in gas phase see: Ren, J.; Workman, D. B.; Squires, R. R. J. Am. Chem. Soc. 1998, 120, 10511-10522.
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(1998)
J. Am. Chem. Soc
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Ren, J.1
Workman, D.B.2
Squires, R.R.3
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8
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4544351364
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Concellon, J. M.; Suarez, J. R.; Granda, S. G.; Diaz, M. R. Angew. Chem., Int. Ed. Engl. 2004, 43, 4333.
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(2004)
Angew. Chem., Int. Ed. Engl
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Concellon, J.M.1
Suarez, J.R.2
Granda, S.G.3
Diaz, M.R.4
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9
-
-
2942625912
-
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Takrouri, K.; Katzhendler, J.; Srebnik, M. Organometallics 2004, 23, 2817.
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(2004)
Organometallics
, vol.23
, pp. 2817
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Takrouri, K.1
Katzhendler, J.2
Srebnik, M.3
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10
-
-
19944428910
-
-
and references cited therein
-
Sun, X.; Kei, M.; Lam, W. W.; Shiraishi, N.; Kobayashi, J.; Shiro, M.; Utsumi, H.; Kobayashi, S. Chem. - Eur. J. 2005, 11, 361 and references cited therein.
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(2005)
Chem. - Eur. J
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, pp. 361
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Sun, X.1
Kei, M.2
Lam, W.W.3
Shiraishi, N.4
Kobayashi, J.5
Shiro, M.6
Utsumi, H.7
Kobayashi, S.8
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11
-
-
34247467861
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-
CSP HPLC was carried out on a Chiralcell OD column
-
(a) CSP HPLC was carried out on a Chiralcell OD column.
-
-
-
-
12
-
-
34247537069
-
-
Yields are based on isolated products not taking into account the balance starting material and no basic side products were detected
-
(b) Yields are based on isolated products not taking into account the balance starting material and no basic side products were detected.
-
-
-
-
13
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33747761620
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Interconversion of enantiomeric α-lithiated N-ethyl pyrrolidines, accessed through a multistep sequence, shows similar temperature dependence. (a) Coldham, I.; Dufour, S.; Haxel, T. F. N.; Patel, J. J.; Jimenez, G. S. J. Am. Chem. Soc. 2006, 128, 10943.
-
Interconversion of enantiomeric α-lithiated N-ethyl pyrrolidines, accessed through a multistep sequence, shows similar temperature dependence. (a) Coldham, I.; Dufour, S.; Haxel, T. F. N.; Patel, J. J.; Jimenez, G. S. J. Am. Chem. Soc. 2006, 128, 10943.
-
-
-
-
14
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11844285688
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(b) Ashweek, N. J.; Brandt, P.; Coldham, I.; Dufour, S.; Gawley, R. E.; Haeffner, F.; Klein, R.; Sanchez-Jimenez, G. J. Am. Chem. Soc. 2005, 127, 449.
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(2005)
J. Am. Chem. Soc
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-
Ashweek, N.J.1
Brandt, P.2
Coldham, I.3
Dufour, S.4
Gawley, R.E.5
Haeffner, F.6
Klein, R.7
Sanchez-Jimenez, G.8
-
15
-
-
34247513346
-
-
3 complexed α-lithiated phospholanes undergo rapid syn-anti conversion even at -100° C (see ref. 9).
-
3 complexed α-lithiated phospholanes undergo rapid syn-anti conversion even at -100° C (see ref. 9).
-
-
-
-
16
-
-
34247533630
-
-
3 complexes.
-
3 complexes.
-
-
-
-
17
-
-
34247514674
-
-
2CN complexes failed (see Supporting Information).
-
2CN complexes failed (see Supporting Information).
-
-
-
-
18
-
-
0012862243
-
-
Ringdaht, B.; Pinder, A. R.; Pereira, W. E.; Oppenheimer, N. J.; Cymerman, C. J. J. Chem. Soc. Perkin Trans. 1 1984, 1-4.
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(1984)
J. Chem. Soc. Perkin Trans. 1
, pp. 1-4
-
-
Ringdaht, B.1
Pinder, A.R.2
Pereira, W.E.3
Oppenheimer, N.J.4
Cymerman, C.J.5
-
19
-
-
34247479364
-
-
3 complexes.
-
3 complexes.
-
-
-
-
20
-
-
34247481777
-
-
CCDC No. 619876
-
(a) CCDC No. 619876.
-
-
-
-
21
-
-
34247548227
-
-
See Supporting Information also
-
(b) See Supporting Information also.
-
-
-
-
22
-
-
34247549571
-
-
However, with a warm-cool cycle, formation of diastereomeric products and the lowering of 10 er (56:44) is observed.
-
(a) However, with a warm-cool cycle, formation of diastereomeric products and the lowering of 10 er (56:44) is observed.
-
-
-
-
23
-
-
34247528889
-
-
The yield based on kinetic resolution of racemic 9a is 56%. No alternate procedure for α-substitution of amino ring juncture, a feature present in a variety of alkaloids, is available.
-
(b) The yield based on kinetic resolution of racemic 9a is 56%. No alternate procedure for α-substitution of amino ring juncture, a feature present in a variety of alkaloids, is available.
-
-
-
-
24
-
-
34247466355
-
-
It also emphasizes the need of more refined solvent treatment, desirably taking into account local and bulk effects, in computations of lithiation-substitution chemistry especially when the observed selectivity is opposite to gas phase predictions or is seemingly counterintuitive. (a) Topics in Organnometullic Chemistry; Springer-Verlag: 2003; 5, pp 1-310.
-
It also emphasizes the need of more refined solvent treatment, desirably taking into account local and bulk effects, in computations of lithiation-substitution chemistry especially when the observed selectivity is opposite to gas phase predictions or is seemingly counterintuitive. (a) Topics in Organnometullic Chemistry; Springer-Verlag: 2003; Vol. 5, pp 1-310.
-
-
-
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25
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23944455841
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(b) Kessar, S. V.; Singh, P.; Singh, K. N.; Venugopalan, P.; Mahinderu, M.; Kaur, A.; Kapoor, R. Tetrahedron Lett. 2005, 46, 6753.
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(2005)
Tetrahedron Lett
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, pp. 6753
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Kessar, S.V.1
Singh, P.2
Singh, K.N.3
Venugopalan, P.4
Mahinderu, M.5
Kaur, A.6
Kapoor, R.7
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27
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3242659209
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(a) Whisler, M. C.; MacNeil, S.; Snieckus, V.; Beak, P. Angew. Chem., Int. Ed. Engl. 2004, 43, 2206.
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(2004)
Angew. Chem., Int. Ed. Engl
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-
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Whisler, M.C.1
MacNeil, S.2
Snieckus, V.3
Beak, P.4
-
29
-
-
0037242699
-
-
For interest in such interactions see: a
-
For interest in such interactions see: (a) Bremer, M.; Nöth, H.; Warchhold, M. Eur. J. Inorg. Chem. 2003, 1, 111.
-
(2003)
Eur. J. Inorg. Chem
, vol.1
, pp. 111
-
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Bremer, M.1
Nöth, H.2
Warchhold, M.3
-
30
-
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34247502067
-
-
(b) Suresh, C. H.; Gadre, S. R.; Gejji, S. P. Theor. Chem. Acc. 2003, 98, 151.
-
(2003)
Theor. Chem. Acc
, vol.98
, pp. 151
-
-
Suresh, C.H.1
Gadre, S.R.2
Gejji, S.P.3
-
31
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0035913711
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(c) Rodriguez, M. G.; Castolo, A. A.; Merino, G.; Vela, A.; Noth, H.; Bakhmutov, V. I.; Contreras, R. J. Am. Chem. Soc. 2001, 123, 9144.
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J. Am. Chem. Soc
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Rodriguez, M.G.1
Castolo, A.A.2
Merino, G.3
Vela, A.4
Noth, H.5
Bakhmutov, V.I.6
Contreras, R.7
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32
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0345401784
-
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Bader, R. F. W. Chem. Rev. 1991, 91 (5), 893.
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(1991)
Chem. Rev
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, pp. 893
-
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Bader, R.F.W.1
-
33
-
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34247480818
-
-
This supports the role of Li-F interaction in BF3 effectiveness
-
3 effectiveness.
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-
-
|