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0009591472
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in: E. Müller, O. Bayer (Eds.), Georg Thieme, Stuttgart, Germany
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T. Asao, M. Oda, in: E. Müller, O. Bayer (Eds.), Carbocyclische π-Electronen-Systeme: Houben-Weyl, Methoden der organischen Chemie, vol. 5/2c, Georg Thieme, Stuttgart, Germany, 1986.
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Mahon M.F., Molloy K., Pittol C.A., Pryce R.J., Roberts S.M., Ryback G., Sik V., Williams J.O., Winders J.A. J. Chem. Soc. Perkin Trans. 1:1991;1255.
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Sik, V.7
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17
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0001671702
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Machiguchi T., Hasegawa T., Ishii Y., Yamabe S., Minato T. J. Am. Chem. Soc. 115:1993;11536.
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Yamabe S., Dai T., Minato T., Machiguchi T., Hasegawa T. J. Am. Chem. Soc. 118:1996;6518.
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0009590610
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Nuclear Overhauser enhancements between H(2) and H(3) and between H(3) and H(3a) were observed in the 2D NOESY spectrum in the cycloadduct 5. This result shows that they are disposed in cis-cis arrangements, i.e. the endo configuration in 5
-
Nuclear Overhauser enhancements between H(2) and H(3) and between H(3) and H(3a) were observed in the 2D NOESY spectrum in the cycloadduct 5. This result shows that they are disposed in cis-cis arrangements, i.e. the endo configuration in 5.
-
-
-
-
28
-
-
0009578104
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-
1H COLOC [35,36] with an aid of composite decoupling (CPD) and gated decoupling
-
1H COLOC [35,36] with an aid of composite decoupling (CPD) and gated decoupling.
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29
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0009653333
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Modern NMR techniques for chemistry research
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A.E. Derome, in: J.E. Baldwin (Ed.), Modern NMR Techniques for Chemistry Research, Organic Chemistry Series 6, Pergamon, Oxford, 1987.
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37
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0009606824
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13C-NMR spectra of all the products obtained resonate in individual carbons. Also, there are four olefinic carbons (doublet), four methine carbons (doublet) and one conjugated carbonyl one in addition to two carbonyl carbons derived from the MA group. The product 4 must therefore be a [4+2]-type cycloadduct between 1 and MA
-
13C-NMR spectra of all the products obtained resonate in individual carbons. Also, there are four olefinic carbons (doublet), four methine carbons (doublet) and one conjugated carbonyl one in addition to two carbonyl carbons derived from the MA group. The product 4 must therefore be a [4+2]-type cycloadduct between 1 and MA.
-
-
-
-
38
-
-
0009628352
-
-
note
-
13C spectra.
-
-
-
-
39
-
-
0009609840
-
-
note
-
1H relationships demonstrate the structure of 5. The product 5 must therefore be an [8+2]-type cycloadduct between 2 and MA.
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41
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1542356431
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Keith, T.8
Petersson, G.A.9
Montgomery, J.A.10
Raghavachari, K.11
Al-Laham, M.A.12
Zakrzewski, V.G.13
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Stefanov, B.B.17
Nanayakkara, A.18
Challacombe, M.19
Peng, C.Y.20
Ayala, P.Y.21
Chen, W.22
Wong, M.W.23
Andres, J.L.24
Replogle, E.S.25
Gomperts, R.26
Martin, R.L.27
Fox, D.J.28
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Baker, J.31
Stewart, J.P.32
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Pople, J.A.35
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