Cyclic organic phosphorus compound and process for producing sam

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters

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558134, C07F 932

Patent

active

046186930

ABSTRACT:
A cyclic organic phosphorus compound useful as a stabilizer and a fire retardant for organic substances, particularly, high molecular weight compounds is provided, which compound is expressed by the formula (I): ##STR1## and further a process for producing the above compound (I) is provided, which process comprises reacting a compound expressed by the formula (II): ##STR2## with 1,4-benzoquinone.

REFERENCES:
patent: 2553417 (1951-05-01), Ladd et al.

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