Triazolylcoumarin compounds, and their preparation and use as op

Details Triazolylcoumarin compounds, and their preparation and use as op Triazolylcoumarin compounds, and their preparation and use as op

1981-12-30

1984-01-17

Rollins, Alton D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

25230129, 548255, 548262, 542417, 542419, C07D40614, C09K 902, C09K 1106

Patent

active

044265301

ABSTRACT:
Optical brighteners of the formula ##STR1## wherein B denotes a direct bond or the 1,4-phenylene radical and

REFERENCES:
patent: 3271412 (1966-09-01), Raue et al.
patent: 3839351 (1974-10-01), Dorlars et al.
patent: 3925405 (1975-12-01), Boehmke et al.
patent: 4005098 (1977-01-01), Dorlars et al.
patent: 4120864 (1978-10-01), Seidel et al.
patent: 4284787 (1981-08-01), Knupfer et al.
Papini et al., Chemical Abstracts, Cols. 966-967 (1956).

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