Benzo-fused, tetrachlorinated heterocyclic compounds and a proce

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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Details

549 15, 549 49, 549469, C07D31914, C07D30778

Patent

active

046200185

ABSTRACT:
Compounds of the formula ##STR1## and a process for their preparation by reacting the corresponding dioxo compound with at least 2 moles of phosphorus pentachloride.

REFERENCES:
patent: 2816287 (1957-12-01), Ellingboe
patent: 2859245 (1958-11-01), Smith
patent: 2937161 (1960-05-01), Ellingboe
patent: 2939871 (1960-06-01), Pyne et al.
patent: 4230864 (1980-10-01), Bailey
patent: 4581466 (1986-04-01), Marhold

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