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0346224287
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note
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[2] we noted in a footnote preliminary results indicating that Weinreb amides could be generated directly from terminal epoxides by carrying out the carbonylation in the presence of MeNOMe. Upon closer examination, we have found that the products obtained under those conditions were misassigned and are in fact the corresponding amino alcohols.
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7
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0000793958
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8] in the presence of silence, see: a) T. Murai, E. Yasui, S. Kato, Y. Hatayama, S. Suzuki, Y. Yamasaki, N. Sonoda, H. Kurosawa, Y. Kawasaki, S. Murai, J. Am. Chem. Soc. 1989, 111, 7938-7946; b) T. Murai, S. Kato, S. Murai, T. Toki, S. Suzuki, N. Sonoda, J. Am. Chem. Soc. 1984, 106, 6093-6095.
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Yamasaki, Y.6
Sonoda, N.7
Kurosawa, H.8
Kawasaki, Y.9
Murai, S.10
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8
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0348115487
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8] in the presence of silence, see: a) T. Murai, E. Yasui, S. Kato, Y. Hatayama, S. Suzuki, Y. Yamasaki, N. Sonoda, H. Kurosawa, Y. Kawasaki, S. Murai, J. Am. Chem. Soc. 1989, 111, 7938-7946; b) T. Murai, S. Kato, S. Murai, T. Toki, S. Suzuki, N. Sonoda, J. Am. Chem. Soc. 1984, 106, 6093-6095.
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0002884392
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4 reductions: d) C. Douat, A. Heitz, J. Martinez, J.-A. Fehrentz, Tetrahedron Lett. 2000, 41, 37-40. For a recent comparison of Weinreb and morpholine amides, see: e) M. M. Jackson, C. Leverett, J. F. Toczko, J. C. Roberts, J. Org. Chem. 2002, 67, 5032-5035.
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12
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0033591193
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4 reductions: d) C. Douat, A. Heitz, J. Martinez, J.-A. Fehrentz, Tetrahedron Lett. 2000, 41, 37-40. For a recent comparison of Weinreb and morpholine amides, see: e) M. M. Jackson, C. Leverett, J. F. Toczko, J. C. Roberts, J. Org. Chem. 2002, 67, 5032-5035.
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Sengupta, S.1
Mondal, S.2
Das, D.3
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13
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0032474882
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4 reductions: d) C. Douat, A. Heitz, J. Martinez, J.-A. Fehrentz, Tetrahedron Lett. 2000, 41, 37-40. For a recent comparison of Weinreb and morpholine amides, see: e) M. M. Jackson, C. Leverett, J. F. Toczko, J. C. Roberts, J. Org. Chem. 2002, 67, 5032-5035.
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Kurosu, M.1
Kishi, Y.2
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14
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0033992319
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4 reductions: d) C. Douat, A. Heitz, J. Martinez, J.-A. Fehrentz, Tetrahedron Lett. 2000, 41, 37-40. For a recent comparison of Weinreb and morpholine amides, see: e) M. M. Jackson, C. Leverett, J. F. Toczko, J. C. Roberts, J. Org. Chem. 2002, 67, 5032-5035.
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Tetrahedron Lett.
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Douat, C.1
Heitz, A.2
Martinez, J.3
Fehrentz, J.-A.4
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15
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0037067536
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4 reductions: d) C. Douat, A. Heitz, J. Martinez, J.-A. Fehrentz, Tetrahedron Lett. 2000, 41, 37-40. For a recent comparison of Weinreb and morpholine amides, see: e) M. M. Jackson, C. Leverett, J. F. Toczko, J. C. Roberts, J. Org. Chem. 2002, 67, 5032-5035.
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Jackson, M.M.1
Leverett, C.2
Toczko, J.F.3
Roberts, J.C.4
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16
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0348115486
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note
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3SiCl (see Supporting Information).
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17
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0346854812
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note
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Application of the conditions documented by Tsuji and co-workers led, in our hands, to formation of significant levels of amine by-products. This reactivity pathway was not noted in the original report.
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18
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0012257773
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For recent mechanistic discussions of epoxide carbonylations directed toward the preparation of β-lactones, see: a) V. Mahadevan, Y. D. Y. L. Getzler, G. W. Coates, Angew. Chem. 2002, 114, 2905-2908; Angew. Chem. Int. Ed. 2002, 41, 2781-2784;
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Mahadevan, V.1
Getzler, Y.D.Y.L.2
Coates, G.W.3
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19
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0037008572
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For recent mechanistic discussions of epoxide carbonylations directed toward the preparation of β-lactones, see: a) V. Mahadevan, Y. D. Y. L. Getzler, G. W. Coates, Angew. Chem. 2002, 114, 2905-2908; Angew. Chem. Int. Ed. 2002, 41, 2781-2784;
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20
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0037138649
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Y. D. Y. L. Getzler, V. Mahadevan, E. B. Lobkovsky, G. W. Coates, J. Am. Chem. Soc. 2002, 124, 1174-1175.
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Getzler, Y.D.Y.L.1
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Coates, G.W.4
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21
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0346854811
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note
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-.
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24
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0023038220
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For a review of synthetic approaches to the HMG-CoA reductase inhibitors up to 1986, see: a) T. Rosen, C. H. Heathcock, Tetrahedron 1986, 42, 4909-4951; for selected, more recent examples of routes to these intermediates, see: b) G. Beck, H. Jendralla, K. Kesseler, Synthesis 1995, 1014-1018; (c) R. A. Singer, E. M. Carreira, J. Am. Chem. Soc. 1995, 117, 12360-12361; (d) J. Krüger, E. M. Carreira, J. Am. Chem. Soc. 1998, 120, 837-838; (e) D. A. Evans, M. C. Kozlowski, J. A. Murry, C. S. Burgey, K. R. Campos, B. T. Connell, R. J. Staples, J. Am. Chem. Soc. 1999, 121, 669-685; (f) "Synthesis of the Common Lactone Moiety of HMG-CoA Reductase Inhibitors": I. M. McFarlane, C. G. Newton, P. Pitchen in Process Chemistry in the Pharmaceutical Industry (Ed.: K. G. Gadamasetti), Dekker, New York, 1999, pp. 243-259.
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(1986)
Tetrahedron
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Rosen, T.1
Heathcock, C.H.2
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25
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0029142910
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For a review of synthetic approaches to the HMG-CoA reductase inhibitors up to 1986, see: a) T. Rosen, C. H. Heathcock, Tetrahedron 1986, 42, 4909-4951; for selected, more recent examples of routes to these intermediates, see: b) G. Beck, H. Jendralla, K. Kesseler, Synthesis 1995, 1014-1018; (c) R. A. Singer, E. M. Carreira, J. Am. Chem. Soc. 1995, 117, 12360-12361; (d) J. Krüger, E. M. Carreira, J. Am. Chem. Soc. 1998, 120, 837-838; (e) D. A. Evans, M. C. Kozlowski, J. A. Murry, C. S. Burgey, K. R. Campos, B. T. Connell, R. J. Staples, J. Am. Chem. Soc. 1999, 121, 669-685; (f) "Synthesis of the Common Lactone Moiety of HMG-CoA Reductase Inhibitors": I. M. McFarlane, C. G. Newton, P. Pitchen in Process Chemistry in the Pharmaceutical Industry (Ed.: K. G. Gadamasetti), Dekker, New York, 1999, pp. 243-259.
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(1995)
Synthesis
, pp. 1014-1018
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Beck, G.1
Jendralla, H.2
Kesseler, K.3
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26
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0001151356
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For a review of synthetic approaches to the HMG-CoA reductase inhibitors up to 1986, see: a) T. Rosen, C. H. Heathcock, Tetrahedron 1986, 42, 4909-4951; for selected, more recent examples of routes to these intermediates, see: b) G. Beck, H. Jendralla, K. Kesseler, Synthesis 1995, 1014-1018; (c) R. A. Singer, E. M. Carreira, J. Am. Chem. Soc. 1995, 117, 12360-12361; (d) J. Krüger, E. M. Carreira, J. Am. Chem. Soc. 1998, 120, 837-838; (e) D. A. Evans, M. C. Kozlowski, J. A. Murry, C. S. Burgey, K. R. Campos, B. T. Connell, R. J. Staples, J. Am. Chem. Soc. 1999, 121, 669-685; (f) "Synthesis of the Common Lactone Moiety of HMG-CoA Reductase Inhibitors": I. M. McFarlane, C. G. Newton, P. Pitchen in Process Chemistry in the Pharmaceutical Industry (Ed.: K. G. Gadamasetti), Dekker, New York, 1999, pp. 243-259.
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J. Am. Chem. Soc.
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Singer, R.A.1
Carreira, E.M.2
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27
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0038475549
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For a review of synthetic approaches to the HMG-CoA reductase inhibitors up to 1986, see: a) T. Rosen, C. H. Heathcock, Tetrahedron 1986, 42, 4909-4951; for selected, more recent examples of routes to these intermediates, see: b) G. Beck, H. Jendralla, K. Kesseler, Synthesis 1995, 1014-1018; (c) R. A. Singer, E. M. Carreira, J. Am. Chem. Soc. 1995, 117, 12360-12361; (d) J. Krüger, E. M. Carreira, J. Am. Chem. Soc. 1998, 120, 837-838; (e) D. A. Evans, M. C. Kozlowski, J. A. Murry, C. S. Burgey, K. R. Campos, B. T. Connell, R. J. Staples, J. Am. Chem. Soc. 1999, 121, 669-685; (f) "Synthesis of the Common Lactone Moiety of HMG-CoA Reductase Inhibitors": I. M. McFarlane, C. G. Newton, P. Pitchen in Process Chemistry in the Pharmaceutical Industry (Ed.: K. G. Gadamasetti), Dekker, New York, 1999, pp. 243-259.
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J. Am. Chem. Soc.
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Krüger, J.1
Carreira, E.M.2
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28
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0033518561
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For a review of synthetic approaches to the HMG-CoA reductase inhibitors up to 1986, see: a) T. Rosen, C. H. Heathcock, Tetrahedron 1986, 42, 4909-4951; for selected, more recent examples of routes to these intermediates, see: b) G. Beck, H. Jendralla, K. Kesseler, Synthesis 1995, 1014-1018; (c) R. A. Singer, E. M. Carreira, J. Am. Chem. Soc. 1995, 117, 12360-12361; (d) J. Krüger, E. M. Carreira, J. Am. Chem. Soc. 1998, 120, 837-838; (e) D. A. Evans, M. C. Kozlowski, J. A. Murry, C. S. Burgey, K. R. Campos, B. T. Connell, R. J. Staples, J. Am. Chem. Soc. 1999, 121, 669-685; (f) "Synthesis of the Common Lactone Moiety of HMG-CoA Reductase Inhibitors": I. M. McFarlane, C. G. Newton, P. Pitchen in Process Chemistry in the Pharmaceutical Industry (Ed.: K. G. Gadamasetti), Dekker, New York, 1999, pp. 243-259.
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Evans, D.A.1
Kozlowski, M.C.2
Murry, J.A.3
Burgey, C.S.4
Campos, K.R.5
Connell, B.T.6
Staples, R.J.7
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29
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0003859037
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(Ed.: K. G. Gadamasetti), Dekker, New York
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For a review of synthetic approaches to the HMG-CoA reductase inhibitors up to 1986, see: a) T. Rosen, C. H. Heathcock, Tetrahedron 1986, 42, 4909-4951; for selected, more recent examples of routes to these intermediates, see: b) G. Beck, H. Jendralla, K. Kesseler, Synthesis 1995, 1014-1018; (c) R. A. Singer, E. M. Carreira, J. Am. Chem. Soc. 1995, 117, 12360-12361; (d) J. Krüger, E. M. Carreira, J. Am. Chem. Soc. 1998, 120, 837-838; (e) D. A. Evans, M. C. Kozlowski, J. A. Murry, C. S. Burgey, K. R. Campos, B. T. Connell, R. J. Staples, J. Am. Chem. Soc. 1999, 121, 669-685; (f) "Synthesis of the Common Lactone Moiety of HMG-CoA Reductase Inhibitors": I. M. McFarlane, C. G. Newton, P. Pitchen in Process Chemistry in the Pharmaceutical Industry (Ed.: K. G. Gadamasetti), Dekker, New York, 1999, pp. 243-259.
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(1999)
Process Chemistry in the Pharmaceutical Industry
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McFarlane, I.M.1
Newton, C.G.2
Pitchen, P.3
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