1,4-Bis-styryl-benzene derivatives and a process for the prepara

Details 1,4-Bis-styryl-benzene derivatives and a process for the prepara 1,4-Bis-styryl-benzene derivatives and a process for the prepara

1978-08-21

1983-02-01

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260512C, 8648, 25230121, C07C14342, D06P 138, C09K 1106

Patent

active

043714757

ABSTRACT:
This invention relates to a novel 1,4-bis-styrylbenzene derivative, in particular, suitable for use as an optical brightening agent, which is represented by the following general formula, ##STR1## in which R and R.sub.1, which may be same or different, represent a member selected from the class consisting of hydrogen atom, halogen atoms, lower alkyl groups and lower alkoxy groups, A and A.sub.1, which may be same or different, represent a member of lower alkylene groups which may be substituted by a member selected from the class consisting of halogen atoms, hydroxyl group and lower alkyl groups and X and X.sub.1, which may be same or different, represent a member selected from the class consisting of --COOM groups and --SO.sub.3 M groups wherein M represents a member selected from the class consisting of hydrogen atom, alkali metals, alkaline earth metals, organic ammoniums and guanidiniums.

REFERENCES:
patent: 3843718 (1974-10-01), Luethi
patent: 3940437 (1976-02-01), Davidson et al.

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