A convenient synthesis of 1,2-disubstitu
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James H. Rigby; Namal C. Warshakoon
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Article
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1997
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Elsevier Science
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French
β 178 KB
Substituted cyclooctatetraenes can be prepared in two steps employing a Cr-(0)-promoted [6n+2n] thiepin dioxide-alkyne cycloaddition followed by photoactivated sulfur dioxide extrusion.