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1
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-
0023554289
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-
For isolation of some alkaloids containing this ring system, see (a) and references cited therein;
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For isolation of some alkaloids containing this ring system, see (a) Jahangir; Brook, M.A.; MacLean, D. B.; Holland, H.L. Tetrahedron 1987, 43, 5761-5768 and references cited therein;
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(1987)
Tetrahedron
, vol.43
, pp. 5761-5768
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Jahangir Brook, M.A.1
MacLean, D.B.2
Holland, H.L.3
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2
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0007858711
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-
(b)
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(b) Phillipson, J.D.; Hemingway, S.R.; Bisset, N.G.; Houghton, P.J.; Shellard, E.J. Phytochemistry 1974, 13, 973-978;
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(1974)
Phytochemistry
, vol.13
, pp. 973-978
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Phillipson, J.D.1
Hemingway, S.R.2
Bisset, N.G.3
Houghton, P.J.4
Shellard, E.J.5
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3
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0026541999
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(c)
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(c) Erdelmeier, C.A.J.; Regenass, U.; Rali, T.; Sticher, O. Planta Med. 1992, 58, 43-48.
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(1992)
Planta Med.
, vol.58
, pp. 43-48
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Erdelmeier, C.A.J.1
Regenass, U.2
Rali, T.3
Sticher, O.4
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4
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0001460216
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Massiot G., Thépenier P., Jacquier M.-J., Le Men-Olivier L., Verpoorte R., Delaude C. Phytochemistry. 26:1987;2839-2846.
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(1987)
Phytochemistry
, vol.26
, pp. 2839-2846
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Massiot, G.1
Thépenier, P.2
Jacquier, M.-J.3
Le Men-Olivier, L.4
Verpoorte, R.5
Delaude, C.6
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5
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0007854449
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(a)
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(a) Maiti, B.C.; Giri, V.S.; Pakrashi, S.C. Heterocycles 1990, 31, 847-850;
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(1990)
Heterocycles
, vol.31
, pp. 847-850
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Maiti, B.C.1
Giri, V.S.2
Pakrashi, S.C.3
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6
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0000927213
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(b)
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(b) Rey, A.W.; Szarek, W.A.; MacLean, D.B. ibid. 1991, 32, 1143-1151.
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(1991)
Heterocycles
, vol.32
, pp. 1143-1151
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Rey, A.W.1
Szarek, W.A.2
MacLean, D.B.3
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8
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0000268153
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-
For a recent review on the Diels-Alder reaction of oxazoles, see
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For a recent review on the Diels-Alder reaction of oxazoles, see Hassner, A.; Fischer, B. Heterocycles 1993, 35, 1441-1465.
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(1993)
Heterocycles
, vol.35
, pp. 1441-1465
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Hassner, A.1
Fischer, B.2
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9
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0020563556
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-
Several examples of intramolecular oxazole-olefin Diels-Alder reactions have been reported: (a)
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Several examples of intramolecular oxazole-olefin Diels-Alder reactions have been reported: (a) Levin, J. I.; Weinreb, S.M. J. Am. Chem. Soc. 1983, 105, 1397-1398;
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(1983)
J. Am. Chem. Soc.
, vol.105
, pp. 1397-1398
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Levin, J.I.1
Weinreb, S.M.2
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12
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0024834439
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(d)
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(d) Subramanyam, C.; Noguchi, M.; Weinreb, S.M. ibid. 1989, 54, 5580-5585;
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(1989)
J. Org. Chem.
, vol.54
, pp. 5580-5585
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Subramanyam, C.1
Noguchi, M.2
Weinreb, S.M.3
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16
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0343599021
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-
Satisfactory analytical and/or spectroscopic data were obtained for all new compounds described
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Satisfactory analytical and/or spectroscopic data were obtained for all new compounds described.
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-
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17
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84936277265
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Schröder, R.; Schöllkopf, U.; Blume, E.; Hoppe, I. Liebigs Ann. Chem. 1975, 533-546.
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(1975)
Liebigs Ann. Chem.
, pp. 533-546
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Schröder, R.1
Schöllkopf, U.2
Blume, E.3
Hoppe, I.4
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22
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33748542524
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For earlier reviews, see (a)
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For earlier reviews, see (a) Johnson, F. Chem. Rev. 1968, 68, 375-413;
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(1968)
Chem. Rev.
, vol.68
, pp. 375-413
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Johnson, F.1
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24
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0343599019
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3), which is explicable by assuming the presence of intramolecular hydrogen bonding between the NH and ester carbonyl groups
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3), which is explicable by assuming the presence of intramolecular hydrogen bonding between the NH and ester carbonyl groups.
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-
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25
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0000222322
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(a)
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(a) Vercauteren, J.; Lavaud, C.; Lévy, J.; Massiot, G. J. Org. Chem. 1984, 49, 2278-2279;
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(1984)
J. Org. Chem.
, vol.49
, pp. 2278-2279
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Vercauteren, J.1
Lavaud, C.2
Lévy, J.3
Massiot, G.4
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27
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84942695755
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(a)
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(a) Bohlmann, F. Chem. Ber. 1958, 91, 2157-2167;
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(1958)
Chem. Ber.
, vol.91
, pp. 2157-2167
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Bohlmann, F.1
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29
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0343599018
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Treatment of 18 with AcOH under similar conditions resulted in the contraction of ring D accompanied by dehydration. The details will be reported elsewhere
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Treatment of 18 with AcOH under similar conditions resulted in the contraction of ring D accompanied by dehydration. The details will be reported elsewhere.
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