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1
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M. Lounasmaa, T. Tamminen, The tropane alkaloids, in: The Alkaloids (Ed.: A. Brossi), Academic Press, New York, 1993, 44, p. 1.
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M. Lounasmaa, T. Tamminen, The tropane alkaloids, in: The Alkaloids (Ed.: A. Brossi), Academic Press, New York, 1993, vol. 44, p. 1.
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2
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7
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0028177942
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8
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0027531129
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Long, M.T.1
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B. A. Bartholomew, M. J. Smith, P. W. Trudgill, D. J. Hopper, Appl. Environ. Microbiol. 1996, 62, 3245.
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Bartholomew, B.A.1
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Trudgill, P.W.3
Hopper, D.J.4
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10
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0001681901
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a) E. C. Blossey, H. Budzikiewicz, M. Ohashi, G. Fodor, C. Djerassi, Tetrahedron 1964, 20, 585;
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Blossey, E.C.1
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Djerassi, C.5
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13
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58149109286
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For recent examples, see: a
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For recent examples, see: a) S. J. Haycock-Lewandowski, A. Wilder, J. Åhman, Org. Process Res. Dev. 2008, 12, 1094;
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Org. Process Res. Dev
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Haycock-Lewandowski, S.J.1
Wilder, A.2
Åhman, J.3
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14
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53549114257
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N. M. Paul, M. Taylor, R. Kumar, J. R. Deschamps, R. R. Luedtke, A. Hauck Newman, J. Med. Chem. 2008, 51, 6095.
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Paul, N.M.1
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Deschamps, J.R.4
Luedtke, R.R.5
Hauck Newman, A.6
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17
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0031494601
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J. E. Burks, L. Espinosa, E. S. LaBell, J. M. McGill, A. R. Ritter, J. L. Speakman, M.-A. Williams, Org. Process Res. Dev. 1997, 1, 198.
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Burks, J.E.1
Espinosa, L.2
LaBell, E.S.3
McGill, J.M.4
Ritter, A.R.5
Speakman, J.L.6
Williams, M.-A.7
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20
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0001361111
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a) Y. Hayakawa, Y. Baba, S. Makino, R. Noyori, J. Am. Chem. Soc. 1978, 100, 1786;
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J. Am. Chem. Soc
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Hayakawa, Y.1
Baba, Y.2
Makino, S.3
Noyori, R.4
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21
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33646436182
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and references cited therein
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N. Cramer, S. Laschat, A. Baro, Organometallics 2006, 25, 2284, and references cited therein.
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Organometallics
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Cramer, N.1
Laschat, S.2
Baro, A.3
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23
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33845377356
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T. Shono, Y. Matsumura, K. Uchida, H. Kobayashi, J. Org. Chem. 1985, 50, 3243.
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J. Org. Chem
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Shono, T.1
Matsumura, Y.2
Uchida, K.3
Kobayashi, H.4
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24
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29544440346
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a) B. S. Gourlay, P. P. Molesworth, J. H. Ryan, J. A. Smith, Tetrahedron Lett. 2006, 47, 799;
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Gourlay, B.S.1
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26
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0010501997
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a) T. Iwasaki, T. Nishitani, H. Horikawa, I. Inoue, J. Org. Chem. 1982, 47, 3799;
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Iwasaki, T.1
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Horikawa, H.3
Inoue, I.4
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27
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32644445013
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For a recent example, see
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For a recent example, see: S. Nad, S. Roller, R. Haag, R. Breinbauer, Org. Lett. 2006, 8, 403.
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Nad, S.1
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28
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0001085518
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T. H. Jones, R. J. Highet, A. W. Don, M. S. Blum, J. Org. Chem. 1986, 51, 2712.
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J. Org. Chem
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Jones, T.H.1
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Don, A.W.3
Blum, M.S.4
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30
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0000562947
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B.p. 102 °C (2mmHg) for the non-deuteriated compound; see: J. Fakstorp, D. Raleigh, L. E. Schniepp, J. Am. Chem. Soc. 1950, 72, 869;
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B.p. 102 °C (2mmHg) for the non-deuteriated compound; see: J. Fakstorp, D. Raleigh, L. E. Schniepp, J. Am. Chem. Soc. 1950, 72, 869;
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31
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73349127608
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b.p. 144-146 °C for 2, 5-dimethoxytetrahydrofuran (8).
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b.p. 144-146 °C for 2, 5-dimethoxytetrahydrofuran (8).
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33
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73349130914
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The hydrolysis of 2, 5-dibutoxytetrahydrofuran (10) was completed after 2 h at 100 °C instead of 30 min at 95 °C with 2, 5-dimethoxytetrahydrofuran (6).
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The hydrolysis of 2, 5-dibutoxytetrahydrofuran (10) was completed after 2 h at 100 °C instead of 30 min at 95 °C with 2, 5-dimethoxytetrahydrofuran (6).
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34
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73349113310
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-
1H] ratio more accurately (see the Supporting Information).
-
1H] ratio more accurately (see the Supporting Information).
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35
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73349093226
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-
Note that direct treatment of the crude aldehyde in nBuOH in the presence of APTS to yield the corresponding acetal is less efficient.
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Note that direct treatment of the crude aldehyde in nBuOH in the presence of APTS to yield the corresponding acetal is less efficient.
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36
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73349096745
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This protected aldehyde 13 was found to be rather unstable, particularly during purification on silica, even in the presence of triethylamine
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This protected aldehyde 13 was found to be rather unstable, particularly during purification on silica, even in the presence of triethylamine.
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