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II carboxylates to form complexes with olefins has been, however, questioned: A. J. Anciaux, A. J. Hubert, A. F. Noels, N. Petiniot, P. Teyssié, J. Org. Chem. 1980, 45, 695-702.
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Anciaux, A.J.1
Hubert, A.J.2
Noels, A.F.3
Petiniot, N.4
Teyssié, P.5
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65
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-
23044460169
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note
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3CN in a quartz reaction vessel.
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-
-
-
66
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-
0000516949
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G. Neef, U. Eder, G. Sauer, J. Org. Chem. 1981, 46, 2824-2826.
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Neef, G.1
Eder, U.2
Sauer, G.3
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68
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85038183288
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Ketones 20 were prepared by adding MeLi to the acids 9 and then brominating 20 to 21 via their silylenol ethers: L. Blanco, P. Amice, J. M. Conia, Synthesis 1976, 194-196.
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Blanco, L.1
Amice, P.2
Conia, J.M.3
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69
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84984016718
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A. M. van Leusen, F. J. Schaart, D. van Leusen, J. Royal Netherlands Chem. Soc. 1979, 98, 258-262.
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J. Royal Netherlands Chem. Soc.
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Van Leusen, A.M.1
Schaart, F.J.2
Van Leusen, D.3
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70
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-
35848945419
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-
K. Ninomiya, T. Shioiri, S. Yamada, Tetrahedron 1974, 30, 2151-2157.
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(1974)
Tetrahedron
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, pp. 2151-2157
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Ninomiya, K.1
Shioiri, T.2
Yamada, S.3
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71
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1242352457
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Examples of stable compounds where a basic amino group is attached to cyclopropanes: R. P. Wurz, A. B. Charette, J. Org. Chem. 2004, 69, 1262-1269;
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Wurz, R.P.1
Charette, A.B.2
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73
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3042618792
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M. Z. Gao, D. Kong, A. Clearfield, R. A. Zingaro, Tetrahedron Lett. 2004, 45, 5649-5652;
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Gao, M.Z.1
Kong, D.2
Clearfield, A.3
Zingaro, R.A.4
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75
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0038222536
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H. Lebel, J.-F. Marcoux, C. Molinaro, A. B. Charette, Chem. Rev. 2003, 103, 977-1050;
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Lebel, H.1
Marcoux, J.-F.2
Molinaro, C.3
Charette, A.B.4
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78
-
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23044469246
-
-
note
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4.
-
-
-
-
79
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-
23044512339
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-
note
-
In the cyclopropanation of 3a, the enantiomeric excess (ee) was determined on the acid 27; for compound 4b, ee was determined on the ester 2b; both by chiral HPLC (Chiralpack AD, Daicel).
-
-
-
-
80
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0000293569
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a) D. F. Taber, S. A. Saleh, R. W. Korsmeyer, J. Org. Chem. 1980, 45, 4699-4702;
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-
Taber, D.F.1
Saleh, S.A.2
Korsmeyer, R.W.3
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82
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23044455566
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note
-
Separations of the enantiomers from (±)-1a and (±)-2b were effected by preparative HPLC on chiral stationary phase (Chiralpack AD, Daicel).
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