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ChemInform Abstract: REACTION OF KETENES WITH N,N‐DISUBSTITUTED α‐AMINOMETHYLENE KETONES. VII. SYNTHESIS OF 2H,5H‐(1)BENZOTHIOPYRANO(4,3‐B)PYRAN AND 2H,5H‐THIOPYRANO(4,3‐B)PYRAN DERIVATIVES
Luisa Mosti, P. SCHENONE, Giulia Menozzi
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Abstract
Abstract Dichlorketen (II) reagiert mit den Aminomethylenketonen (I) zu den Addukten (III), die zu (IV) dehydrochloriert werden.