Sulphonated polybenz-1,3-oxazin-2,4-diones

Details Sulphonated polybenz-1,3-oxazin-2,4-diones Sulphonated polybenz-1,3-oxazin-2,4-diones

1976-08-10

1977-11-22

Meyers, Albert T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

260 47CB, C07D26500, C07D27300, C07D29500, C08F 00

Patent

active

040595803

ABSTRACT:
Novel, sulphonated polybenz-1,3-oxazin-2,4-diones are produced by reacting polybenzoxazin diones with chlorosulphonic acid in a molar ratio of from 1:1 to 1:10.

REFERENCES:
patent: 3444136 (1969-05-01), Belohlav et al.
patent: 3510454 (1970-05-01), Bottenbruch et al.
patent: 3541048 (1970-11-01), Binsack et al.
patent: 3657186 (1972-04-01), Craven
Basic Principles of Org. Chem.--Roberts & Caserio-W. A. Benjamin, Inc.-New York-pp. 798-799, (1965).

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