Benzo-fused, tetrachlorinated heterocyclic compounds and a process for their preparation
Compounds of the formula and a process for their preparation by reacting the corresponding dioxo compound with at least 2 moles of phosphorus pentachloride.
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | Compounds of the formula and a process for their preparation by reacting the corresponding dioxo compound with at least 2 moles of phosphorus pentachloride. |
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