Benzofuran derivatives useful as sunscreens

Details Benzofuran derivatives useful as sunscreens Benzofuran derivatives useful as sunscreens

1993-06-07

1994-08-16

Chang, Celia

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 60, 514847, 546196, 549467, A61K 742, C07D40512, C07D30781

Patent

active

053385390

ABSTRACT:
Benzofuran derivatives of formula (I) ##STR1## in which R is alkyl, cycloalkyl, aralkyl or a divalent residue which is in its turn linked to a residue which can be obtained from (I) by removing R, highly absorb the sunlight radiations in the UVA region and, in combination with UVB sunscreens, they effectively protect the skin from noxious sunlight radiations.

REFERENCES:
patent: 4098882 (1978-07-01), Lang
patent: 4161530 (1979-07-01), Koella
patent: 5152983 (1992-10-01), Nambudiry
Cavier et al "Research on Nitrated Derivatives of Liological; Interest IV" CA 78:381522 (1972).

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