Bis-benzoxazolyl-compounds

Details Bis-benzoxazolyl-compounds Bis-benzoxazolyl-compounds

1977-08-09

1978-10-10

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 458NT, 260308B, C07D26362

Patent

active

041196341

ABSTRACT:
Bis-benzoxazolyl compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another denote hydrogen, halogen, optionally substituted C.sub.1 -C.sub.8 -alkyl, optionally substituted C.sub.1 -C.sub.4 -alkoxy, aralkyl, aryl, carboxyl, cyano, C.sub.1 -C.sub.4 -alkoxycarbonyl, carboxamide which is optionally substituted by C.sub.1 -C.sub.4 -alkyl, aryl or aralkyl, or C.sub.1 -C.sub.4 -alkylsulphonyl, or 2 adjacent radicals R.sub.1 -R.sub.4 represent a fused, optionally substituted aromatic or hydroaromatic ring, are suitable for the brightening of plastics and of polyester fibres.

REFERENCES:
patent: 3926969 (1975-12-01), Fleck et al.

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