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Several metal compounds have been used for the production of 1,2-dihydrofuran derivatives by the cycloaddition of 1,3-dicarbonyls to alkenes. For leading references see: K. Ichikawa, S. Uemura, and T. Sugita, Tetrahedron, 22, 407 (1966); E. I Heiba and R. M. Dessau, J. Org. Chem., 39, 3456 (1974); E. Baciocchi and R Ruzziconi, Synth. Commun., 18, 1841 (1988) and references cited therein. In particular, high efficiency of this cerium compound has been recently reported: V. Nair and J. Matthew, J. Chem. Soc., Perkin Trans. 1, 1993, 187. An electrochemical procedure has also been successfully employed: J. Yoshida, K. Sakaguchi, and S. Isoe, Tetrahedron Lett., 27, 6075 (1986).
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28244484809
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Several metal compounds have been used for the production of 1,2-dihydrofuran derivatives by the cycloaddition of 1,3-dicarbonyls to alkenes. For leading references see: K. Ichikawa, S. Uemura, and T. Sugita, Tetrahedron, 22, 407 (1966); E. I Heiba and R. M. Dessau, J. Org. Chem., 39, 3456 (1974); E. Baciocchi and R Ruzziconi, Synth. Commun., 18, 1841 (1988) and references cited therein. In particular, high efficiency of this cerium compound has been recently reported: V. Nair and J. Matthew, J. Chem. Soc., Perkin Trans. 1, 1993, 187. An electrochemical procedure has also been successfully employed: J. Yoshida, K. Sakaguchi, and S. Isoe, Tetrahedron Lett., 27, 6075 (1986).
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Dessau, R.M.2
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and references cited therein
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Several metal compounds have been used for the production of 1,2-dihydrofuran derivatives by the cycloaddition of 1,3-dicarbonyls to alkenes. For leading references see: K. Ichikawa, S. Uemura, and T. Sugita, Tetrahedron, 22, 407 (1966); E. I Heiba and R. M. Dessau, J. Org. Chem., 39, 3456 (1974); E. Baciocchi and R Ruzziconi, Synth. Commun., 18, 1841 (1988) and references cited therein. In particular, high efficiency of this cerium compound has been recently reported: V. Nair and J. Matthew, J. Chem. Soc., Perkin Trans. 1, 1993, 187. An electrochemical procedure has also been successfully employed: J. Yoshida, K. Sakaguchi, and S. Isoe, Tetrahedron Lett., 27, 6075 (1986).
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Ruzziconi, R.2
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0042017464
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Several metal compounds have been used for the production of 1,2-dihydrofuran derivatives by the cycloaddition of 1,3-dicarbonyls to alkenes. For leading references see: K. Ichikawa, S. Uemura, and T. Sugita, Tetrahedron, 22, 407 (1966); E. I Heiba and R. M. Dessau, J. Org. Chem., 39, 3456 (1974); E. Baciocchi and R Ruzziconi, Synth. Commun., 18, 1841 (1988) and references cited therein. In particular, high efficiency of this cerium compound has been recently reported: V. Nair and J. Matthew, J. Chem. Soc., Perkin Trans. 1, 1993, 187. An electrochemical procedure has also been successfully employed: J. Yoshida, K. Sakaguchi, and S. Isoe, Tetrahedron Lett., 27, 6075 (1986).
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Several metal compounds have been used for the production of 1,2-dihydrofuran derivatives by the cycloaddition of 1,3-dicarbonyls to alkenes. For leading references see: K. Ichikawa, S. Uemura, and T. Sugita, Tetrahedron, 22, 407 (1966); E. I Heiba and R. M. Dessau, J. Org. Chem., 39, 3456 (1974); E. Baciocchi and R Ruzziconi, Synth. Commun., 18, 1841 (1988) and references cited therein. In particular, high efficiency of this cerium compound has been recently reported: V. Nair and J. Matthew, J. Chem. Soc., Perkin Trans. 1, 1993, 187. An electrochemical procedure has also been successfully employed: J. Yoshida, K. Sakaguchi, and S. Isoe, Tetrahedron Lett., 27, 6075 (1986).
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Yoshida, J.1
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3: C, 74.98; H, 6.29%. cf. K. Kobayashi, A. Sasaki, H. Takeuchi, and H. Suginome, J. Chem. Soc., Perkin Trans. 1, 1993, 115.
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16
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0041516386
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1H NMR, and MS) together with elemental analyses
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1H NMR, and MS) together with elemental analyses.
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