Substituted cyclooctatetraenes can be prepared in two steps employing a Cr-(O)-promoted [6 pi+2 pi] thiepin dioxide-alkyne cycloaddition followed by photoactivated sulfur dioxide extrusion. (C) 1997 Elsevier Science Ltd.
机构:Lanzhou Univ, State Key Lab APpl Organ Chem, Lanzhou 730000, Peoples R China
Jian, PM
Wu, XL
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机构:Lanzhou Univ, State Key Lab APpl Organ Chem, Lanzhou 730000, Peoples R China
Wu, XL
Pan, DH
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机构:Lanzhou Univ, State Key Lab APpl Organ Chem, Lanzhou 730000, Peoples R China
Pan, DH
Liang, YM
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机构:Lanzhou Univ, State Key Lab APpl Organ Chem, Lanzhou 730000, Peoples R China
Liang, YM
Ma, YX
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Lanzhou Univ, State Key Lab APpl Organ Chem, Lanzhou 730000, Peoples R ChinaLanzhou Univ, State Key Lab APpl Organ Chem, Lanzhou 730000, Peoples R China
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Comenius Univ, Fac Nat Sci, Dept Organ Chem, SK-84215 Bratislava, SlovakiaComenius Univ, Fac Nat Sci, Dept Organ Chem, SK-84215 Bratislava, Slovakia