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0344692476
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note
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[1,2]
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8
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0344692474
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(Ed.: G. Lukacs), Springer, Berlin
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b) M. Bartra, F. Urpí, J. Vilarrasa in Recent Progress in the Chemical Synthesis of Antibiotics and Related Microbial Products, Vol. 2 (Ed.: G. Lukacs), Springer, Berlin, 1993, pp. 1-65.
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Bartra, M.1
Urpí, F.2
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9
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Houri, A.F.1
Xu, Z.2
Cogan, D.A.3
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10
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b) Z. Xu, C. W. Johannes, A. F. Houri, D. S. La, D. A. Cogan, G. E. Hofilena, A. H. Hoveyda, J. Am. Chem. Soc. 1997, 119, 10302-10316.
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Xu, Z.1
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Houri, A.F.3
La, D.S.4
Cogan, D.A.5
Hofilena, G.E.6
Hoveyda, A.H.7
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11
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14
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0038736789
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The auxiliaries of Evans et al. do not work with nonactivated substrates such as 9. The camphorsultam-derived auxiliary (W. Oppolzer, Tetrahedron 1987, 43, 1969-2004) afforded the desired alkylation product in only 39% yield, and, moreover, cleavage of the chiral auxiliary turned out to be troublesome.
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Tetrahedron
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Oppolzer, W.1
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0030810476
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A. G. Myers, B. H. Yang, H. Chen, L. McKinstry, D. J. Kopecky, J. L. Gleason, J. Am. Chem. Soc. 1997, 119, 6496-6511, and references therein.
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Myers, A.G.1
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Kopecky, D.J.5
Gleason, J.L.6
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0030575394
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For leading references on chiral boron enolates, see a) P. V. Ramachandran, W. Xu, H. C. Brown, Tetrahedron Lett. 1996, 37, 4911-4914; b) I. Paterson, K. R. Gibson, R. M. Oballa, Tetrahedron Lett. 1996, 37, 8584-8588.
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Ramachandran, P.V.1
Xu, W.2
Brown, H.C.3
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0345123186
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For leading references on chiral boron enolates, see a) P. V. Ramachandran, W. Xu, H. C. Brown, Tetrahedron Lett. 1996, 37, 4911- 4914; b) I. Paterson, K. R. Gibson, R. M. Oballa, Tetrahedron Lett. 1996, 37, 8584-8588.
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Paterson, I.1
Gibson, K.R.2
Oballa, R.M.3
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b) C. Gennari, D. Moresca, S. Vieth, A. Vulpetti, Angew. Chem. 1993, 105, 1717-1719; Angew. Chem. Int. Ed. 1993, 32, 1618-1621;
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Gennari, C.1
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c) A. González, J. Aiguadé, F. Urpí, J. Vilarrasa, Tetrahedron Lett. 1996, 37, 8949-8952.
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0027724708
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1H) values of the diastereomeric Mosher esters arising from (R)- and (S)-α-methoxy-α-(trifluoromethyl)phenylacetyl chloride (cf. I. Ohtani, T. Kusumi, Y. Kashman, H. Kakisawa, J. Am. Chem. Soc. 1991, 113, 4092-4096).
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Roush, W.R.1
Bannister, T.D.2
Wendt, M.D.3
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23
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2142858450
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1H) values of the diastereomeric Mosher esters arising from (R)- and (S)-α-methoxy-α-(trifluoromethyl)phenylacetyl chloride (cf. I. Ohtani, T. Kusumi, Y. Kashman, H. Kakisawa, J. Am. Chem. Soc. 1991, 113, 4092-4096).
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Ohtani, I.1
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0001486775
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For the reduction of azides with tin(II)-thiolate complexes, see a) M. Bartra, F. Urpí, J. Vilarrasa, Tetrahedron Lett. 1987, 28, 5941-5944; b) M. Bartra, P. Romea, F. Urpí, J. Vilarrasa, Tetrahedron 1990, 46, 587-594.
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Bartra, M.1
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Vilarrasa, J.3
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0000367997
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For the reduction of azides with tin(II)-thiolate complexes, see a) M. Bartra, F. Urpí, J. Vilarrasa, Tetrahedron Lett. 1987, 28, 5941-5944; b) M. Bartra, P. Romea, F. Urpí, J. Vilarrasa, Tetrahedron 1990, 46, 587-594.
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Bartra, M.1
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b) H. Ishiwata, H. Sone, H. Kigoshi, K. Yamada, Tetrahedron 1994, 50, 12853-2882.
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