Benzonorbornene derivatives process, for their preparation and medicinal and cosmetic compositions comprised thereof
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United States of America Patent
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Mar 7, 1989
Grant Date -
N/A
app pub date -
Jan 10, 1986
filing date -
Jan 10, 1985
priority date (Note) -
Expired
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Abstract
The invention relates to a compound of formula (I) ##STR1## in which formula: R.sub.1, R.sub.3 and R.sub.4 denote, independently of each other a hydrogen atom, a C.sub.1 -C.sub.8 alkyl radical, a C.sub.1 -C.sub.8 alkoxy radical, a C.sub.1 -C.sub.8 acryloxy radical or a hydroxy ra dical; R, R' and R' denote, independently of each other, either one of the meanings given above for R.sub.1, R.sub.3 and R.sub.4, or a halogen atom, or a primary, secondary or tertiary amino radical, A having various meanings. The invention also relates to a process for the preparation of compounds of formula (I) and to medicinal and cosmetic compositions in which they are present.
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