Sulphonamides derived from 3-benzylidene-camphor and their appli

Details Sulphonamides derived from 3-benzylidene-camphor and their appli Sulphonamides derived from 3-benzylidene-camphor and their appli

1983-07-07

1986-05-13

Shaver, Paul F.

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

Organic compounds

Amino nitrogen containing

424 59, 549551, C07C14378, C07D30308, A61K 742, A61L 2300

Patent

active

045888396

ABSTRACT:
Compounds having the formula: ##STR1## in which X.sub.1 =H or Y; X.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl or alkoxy, Y or Z; X.sub.3 is H, halogen, C.sub.1 -C.sub.4 alkyl or alkoxy, Y or Z; or X.sub.2 and X.sub.3 together form an alkylidenedioxy containing 1 or 2 C; Y is ##STR2## in which R.sub.1 is H or C.sub.1 -C.sub.4 alkyl or hydroxyalkyl and R.sub.2 is H, alkyl or alkenyl, cycloalkyl, aryl or aralkyl, it being impossible for R.sub.1 and R.sub.2 to be hydrogen simultaneously; and Z denotes ##STR3## in which R.sub.3 is H, --CN or --COR.sub.5 and R.sub.4 is --COR.sub.6, R.sub.5 and R.sub.6 being C.sub.1 -C.sub.20 alkoxy or alkylamino, with the proviso that one of the symbols X.sub.1, X.sub.2 and X.sub.3 is different from the other two and that if X.sub.1 =H, X.sub.2 and X.sub.3 are different from one another and cannot have the meanings Z.sub.2 and Z.sub.3, one of the two necessarily being Y or Z.sub.1 ; if X.sub.1 has the meaning Y, X.sub.2 and X.sub.3 are different from Y and cannot simultaneously have the meaning Z.sub.1, Z.sub.2 or Z.sub.3 are disclosed for use as UV filters.

REFERENCES:
patent: 2640076 (1953-05-01), Ledrut et al.
patent: 3070443 (1962-12-01), Neugebauer et al.
patent: 3238258 (1966-03-01), Daeniker
patent: 4093712 (1978-06-01), Okamoto et al.
patent: 4435394 (1984-03-01), Ogata et al.

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