Quaternised benzofuranyl-benzimidazoles

Details Quaternised benzofuranyl-benzimidazoles Quaternised benzofuranyl-benzimidazoles

1974-08-22

1976-02-24

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 1W, 252 88, 2523012W, 2523013W, 2603462R, 2603462M, C07D23512, C07D30781

Patent

active

039404170

ABSTRACT:
The invention relates to new quaternised benzofuranyl-benzimidazole derivatives which can be prepared by known methods. Said compounds are useful as optical brighteners for organic material.

REFERENCES:
patent: 3103518 (1963-09-01), Duennenberger
patent: 3497525 (1970-02-01), Harnisch et al.
patent: 3590047 (1971-06-01), Shen et al.
patent: 3637734 (1972-01-01), Harnisch et al.
patent: 3772323 (1973-11-01), Schlapfer et al.
Schlaepfer Chem. Abstr., 1972, Vol. 77, No. 128095s.

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