-
1
-
-
0000360109
-
-
R. Herges, Angew. Chem. 1994, 106, 261-283; Angew. Chem. Int. Ed. Engl. 1994, 33, 255-276.
-
(1994)
Angew. Chem.
, vol.106
, pp. 261-283
-
-
Herges, R.1
-
2
-
-
33748716611
-
-
R. Herges, Angew. Chem. 1994, 106, 261-283; Angew. Chem. Int. Ed. Engl. 1994, 33, 255-276.
-
(1994)
Angew. Chem. Int. Ed. Engl.
, vol.33
, pp. 255-276
-
-
-
3
-
-
0008384531
-
-
T. Fukunaga, T. Mukai, Y. Akasaki, R. Suzuki, Tetrahedron Lett. 1970, 2975-2978.
-
(1970)
Tetrahedron Lett.
, pp. 2975-2978
-
-
Fukunaga, T.1
Mukai, T.2
Akasaki, Y.3
Suzuki, R.4
-
4
-
-
0004005645
-
-
Butterworths, London
-
T. L. Cottrell, The Strengths of Chemical Bonds, 2nd ed., Butterworths, London, 1958; L. Pauling, The Nature of the Chemical Bond, 3rd Ed., Cornell University Press, Ithaca, NY. 1960.
-
(1958)
The Strengths of Chemical Bonds, 2nd Ed.
-
-
Cottrell, T.L.1
-
5
-
-
0003438540
-
-
Cornell University Press, Ithaca, NY.
-
T. L. Cottrell, The Strengths of Chemical Bonds, 2nd ed., Butterworths, London, 1958; L. Pauling, The Nature of the Chemical Bond, 3rd Ed., Cornell University Press, Ithaca, NY. 1960.
-
(1960)
The Nature of the Chemical Bond, 3rd Ed.
-
-
Pauling, L.1
-
6
-
-
0030464437
-
-
R. D. Bach, P. Y. Ayala, H. B. Schlegel, J. Am. Chem. Soc. 1996, 118, 12758-12765.
-
(1996)
J. Am. Chem. Soc.
, vol.118
, pp. 12758-12765
-
-
Bach, R.D.1
Ayala, P.Y.2
Schlegel, H.B.3
-
7
-
-
0000821650
-
-
a) R. Reiser, C. Süling, G. Schröder, Chem. Ber. 1992, 125, 2493-2501,
-
(1992)
Chem. Ber.
, vol.125
, pp. 2493-2501
-
-
Reiser, R.1
Süling, C.2
Schröder, G.3
-
8
-
-
4244190838
-
-
Dissertation, Technische Universität, Karlsruhe
-
b) C. Süling, Dissertation, Technische Universität, Karlsruhe, 1992.
-
(1992)
-
-
Süling, C.1
-
9
-
-
0344950672
-
-
1H NMR spectroscopy (ca. -80°C). Therefore, it is plausible to assume dipolarophilic behavior of the three-membered ring ketones towards 6. The spiroozonides of the tropones fragment at -60 to + 50°C. The half-lives are informative: C. Berger, S. Dietrich, U. Dilger, D. Geuenich, H. Helios, R. Herges, P. Kirchmer, H. Röttele, G. Schröder, Angew. Chem. 1998, 110, 1954-1957; Angew. Chem. Int. Ed. 1998, 37, 1854-1856.
-
(1998)
Angew. Chem.
, vol.110
, pp. 1954-1957
-
-
Berger, C.1
Dietrich, S.2
Dilger, U.3
Geuenich, D.4
Helios, H.5
Herges, R.6
Kirchmer, P.7
Röttele, H.8
Schröder, G.9
-
10
-
-
0032479760
-
-
1H NMR spectroscopy (ca. -80°C). Therefore, it is plausible to assume dipolarophilic behavior of the three-membered ring ketones towards 6. The spiroozonides of the tropones fragment at -60 to + 50°C. The half-lives are informative: C. Berger, S. Dietrich, U. Dilger, D. Geuenich, H. Helios, R. Herges, P. Kirchmer, H. Röttele, G. Schröder, Angew. Chem. 1998, 110, 1954-1957; Angew. Chem. Int. Ed. 1998, 37, 1854-1856.
-
(1998)
Angew. Chem. Int. Ed.
, vol.37
, pp. 1854-1856
-
-
-
11
-
-
0344950671
-
-
note
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2OD(H).
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12
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0344088654
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A [3+2] cycloaddition of 6 and 7 can only be performed in solvents of low polarity
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A [3+2] cycloaddition of 6 and 7 can only be performed in solvents of low polarity.
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13
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0345382169
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-
W. Sander, O. L. Chapman, Angew. Chem. 1988, 100, 402-403; Angew. Chem. Int. Ed. Engl. 1988, 27, 398-399.
-
(1988)
Angew. Chem.
, vol.100
, pp. 402-403
-
-
Sander, W.1
Chapman, O.L.2
-
14
-
-
84990101266
-
-
W. Sander, O. L. Chapman, Angew. Chem. 1988, 100, 402-403; Angew. Chem. Int. Ed. Engl. 1988, 27, 398-399.
-
(1988)
Angew. Chem. Int. Ed. Engl.
, vol.27
, pp. 398-399
-
-
-
15
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0344088653
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note
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14]methylcyclohexane at 98°C are 26 and 23 min, respectively. In the first case cyclopent-3-en-1-one is the predominant product, in the second case a complex product mixture is formed. Carbon dioxide and butadiene or hexa-1,3,5-triene could not be detected.
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17
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-
0030218597
-
-
W. Kohn, A. D. Becke, R. G. Parr, J. Phys. Chem. 1996, 100, 12974-12980.
-
(1996)
J. Phys. Chem.
, vol.100
, pp. 12974-12980
-
-
Kohn, W.1
Becke, A.D.2
Parr, R.G.3
-
20
-
-
0345491105
-
-
C. Lee, W. Yang, R. G. Parr, Phys. Rev. B 1988, 37, 785.
-
(1988)
Phys. Rev. B
, vol.37
, pp. 785
-
-
Lee, C.1
Yang, W.2
Parr, R.G.3
-
21
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0345382167
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note
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A synchronous mechanism is not expected because the starting materials are not symmetrical. The trioxolane ring of the starting materials is not flat, and the bonds of the three-membered ring are not equal in length.
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22
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37049082801
-
-
T. W. Wallace, I. Wardell, K.-D. Li, P. Leeming, A. D. Redhouse, S. R. Challand, J. Chem. Soc. Perkin Trans. 1 1995, 2293-2308.
-
(1995)
J. Chem. Soc. Perkin Trans. 1
, pp. 2293-2308
-
-
Wallace, T.W.1
Wardell, I.2
Li, K.-D.3
Leeming, P.4
Redhouse, A.D.5
Challand, S.R.6
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