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3
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33748723415
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Bowles, P.; Clayden, J.; Helliwell, M.; McCarthy, C.; Tomkinson, M.; Westlund, N. J. Chem. Soc., Perkin Trans. 1 1997, 2607.
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(1997)
J. Chem. Soc., Perkin Trans.
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, pp. 2607
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Bowles, P.1
Clayden, J.2
Helliwell, M.3
McCarthy, C.4
Tomkinson, M.5
Westlund, N.6
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7
-
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0344087429
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-
in the press
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Clayden, J.; Darbyshire, M.; Pink, J.H.; Westlund, N.; Wilson, F.X. Tetrahedron Lett. in the press.
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Tetrahedron Lett.
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Clayden, J.1
Darbyshire, M.2
Pink, J.H.3
Westlund, N.4
Wilson, F.X.5
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11
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0002999412
-
-
Atropisomers are conformational isomers which can exist as discrete compounds. For a definition, see
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Atropisomers are conformational isomers which can exist as discrete compounds. For a definition, see Oki, M. Topics in Stereochem. 1983, 14, 1.
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(1983)
Topics in Stereochem
, vol.14
, pp. 1
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Oki, M.1
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20
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0001449603
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Beak P., Tse A., Hawkins J., Chen C.W., Mills S. Tetrahedron. 39:1983;1983.
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(1983)
Tetrahedron
, vol.39
, pp. 1983
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Beak, P.1
Tse, A.2
Hawkins, J.3
Chen, C.W.4
Mills, S.5
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22
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0029874183
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In our N,N-diisopropylbenzamides, competition always favours lateral lithiation over ortholithiation. See
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In our N,N-diisopropylbenzamides, competition always favours lateral lithiation over ortholithiation. See Court, J.J.; Hlasta, D. J. Tetrahedron Lett. 1996, 37, 1335.
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(1996)
J. Tetrahedron Lett.
, vol.37
, pp. 1335
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Court, J.J.1
Hlasta, D.2
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23
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0344518613
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Conformations of 5 and 7 were studied using Macromodel/MM2*
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Conformations of 5 and 7 were studied using Macromodel/MM2*.
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-
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25
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0345380867
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Diastereoselectivity was assessed by analytical HPLC of the crude reaction mixture, and was >97:3.
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Diastereoselectivity was assessed by analytical HPLC of the crude reaction mixture, and was >97:3.
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-
-
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26
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0344518614
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note
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That 9 is a meso compound tells us nothing about the conformation of the non-chirotopic stereogenic axis. Our assignment of syn,syn stereochemistry is based on precedent in the naphthamide series, along with the fact that no epimerisation to the other meso diastereoisomer was observed on heating this compound at 55°C for 24 h. Note that the stereochemistry of 9, unlike that of a superficially similar compound in , originates by 1,5-transmission of stereochemical information from one centre to the other, and not from the stereogenic axis by two-way 1,4-asymmetric induction.
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28
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0000796114
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Attempts to dilithiate 11 with an excess of s-BuLi failed. See
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Attempts to dilithiate 11 with an excess of s-BuLi failed. See Mills, R.J.; Horvath, R.F.; Sibi, M.P.; Snieckus, V. Tetrahedron Lett. 1985, 26, 1145.
-
(1985)
Tetrahedron Lett.
, vol.26
, pp. 1145
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Mills, R.J.1
Horvath, R.F.2
Sibi, M.P.3
Snieckus, V.4
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29
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0001800363
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For another example and a discussion, see
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For another example and a discussion, see Fleming, I.; Leslie, C.P. J. Chem. Soc., Perkin Trans. 1 1996, 1197.
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(1996)
J. Chem. Soc., Perkin Trans.
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, pp. 1197
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Fleming, I.1
Leslie, C.P.2
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31
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37049078928
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Beagley, B.; Betts, M.J.; Pritchard, R.G.; Schofield, A.; Stoodley, R.J.; Vohra, S. J. Chem. Soc., Perkin Trans. 1 1993, 1761.
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(1993)
J. Chem. Soc., Perkin Trans.
, vol.1
, pp. 1761
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Beagley, B.1
Betts, M.J.2
Pritchard, R.G.3
Schofield, A.4
Stoodley, R.J.5
Vohra, S.6
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32
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0000921650
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Ohno A., Kashiwagi M., Ishihara Y., Ushida S., Oka S. Tetrahedron. 42:1986;961.
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(1986)
Tetrahedron
, vol.42
, pp. 961
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-
Ohno, A.1
Kashiwagi, M.2
Ishihara, Y.3
Ushida, S.4
Oka, S.5
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