Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1974-11-13
1977-08-02
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
260 458NT, 106 15FP, C07D25134
Patent
active
040395383
ABSTRACT:
Process for the preparation of tris-(halophenoxy) -1,3,5-triazine of formula I ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 is each a phenoxy substituent having a 0-2 alkyl groups, and 0-2 halo alkyl groups, and has 1-5 halogen atoms which comprises contacting cyanuric acid chloride with alkali phenolate of the formulae R.sub.1 Me, R.sub.2 Me and R.sub.3 Me, wherein Me is alkali metal, and wherein said formulae can be identical or different, in the presence of alkylene diol monoalkyl ether, e.g. methyl or ethyl cellosolve. The ethers are good solvents for the phenolates. The products are used as flame-proofing agents for plastics.
REFERENCES:
patent: 3245992 (1966-04-01), Dexter et al.
patent: 3843650 (1974-10-01), Pews et al.
Schuldt et al., Contribs. Boyce Thompson Inst., vol. 18, pp. 377-393, (1956).
Klinkenberg Herbert
Petersen Egon
Schmidt Werner
Dynamit Nobel Aktiengesellschaft
Ford John M.
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