Reactive aromatic heterocycles containin
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R.H. Schlessinger; I.S. Ponticello
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Article
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1967
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Elsevier Science
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French
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Recently we have shown that appropriately substituted cyclic sulfoxides when subjected to the Pumerer reaction undergo loss of the elements of water to form highly reactive heterocyclic species containing tetravalent sulfur.l\*\* Thus, naphtho[l,8-cdlthiapyran (I) and acenaphtho-[5,6-cdlthiapy-ran (