1,4-distyrylbenzene compounds and mixtures thereof with other 1,

Details 1,4-distyrylbenzene compounds and mixtures thereof with other 1, 1,4-distyrylbenzene compounds and mixtures thereof with other 1,

1991-03-15

1992-10-06

Niebling, John

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

568 28, 568 34, 568 36, 558413, 558420, 560 76, 25230122, 25230124, 25230125, 25230127, 25230129, 25230132, C09K 1106

Patent

active

051529220

ABSTRACT:
Novel 1,4-distyrylbenzene compounds of the formula ##STR1## and mixtures thereof with compounds of the formulae ##STR2## and/or ##STR3## in which R.sub.1 is C.sub.1 -C.sub.4 -alkyl or phenyl, R.sub.2 is cyano, COOC.sub.1 -C.sub.4 -alkyl or chlorine and R.sub.3 is hydrogen or chlorine, agents for the fluorescent brightening of polyester fibers and a process for the preparation of the compounds of the formula 1 or mixtures thereof with compounds of the formulae 2 and/or 3 and also novel aldehydes which can be isolated as intermediates.

REFERENCES:
patent: 4330427 (1982-05-01), Martini et al.
patent: 4380514 (1983-04-01), Seybold
patent: 4464284 (1984-08-01), Seybold
Chemical Abstract 95:152101 pp. 71-72.
Chemical Abstract 104:150793 p. 96.

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