Tert-butyl derivatives of benzylidenecamphor, process for prepar

Details Tert-butyl derivatives of benzylidenecamphor, process for prepar Tert-butyl derivatives of benzylidenecamphor, process for prepar

1988-10-05

1990-08-28

Reamer, James H.

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Organic pressurized fluid

424 59, 424 70, 514681, 252405, 568327, A61L 904

Patent

active

049523910

ABSTRACT:
New tert-butyl derivatives of benzylidenecamphor, process for preparing them, their use as antioxidant agents and cosmetic and pharmaceutical compositions containing them.
The invention relates to benzylidenecamphor derivatives of formula: ##STR1## where R is hydrogen or a tert-butyl residue, R.sub.1 is a C.sub.1 -C.sub.8 alkyl or alkoxy residue, and R.sub.2 and R.sub.3 denote hydrogen or hydroxyl, at least one of the two being hydroxyl, to a process for preparing them and to their uses as antioxidants, broad-band sunscreens and medicinal products for the preventive treatment of skin allergies and inflammations as well as for the prevention of certain cancers.

REFERENCES:
patent: 3394020 (1968-07-01), Bell et al.
patent: 3660505 (1972-05-01), Starnes
patent: 4288631 (1981-09-01), Ching
patent: 4290974 (1981-09-01), Bouillon et al.
patent: 4323549 (1982-04-01), Bouillon et al.
patent: 4421739 (1983-12-01), Bouillon et al.
patent: 4710584 (1987-12-01), Lang et al.

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