Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1985-09-30
1988-04-19
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
562466, 564180, 568328, 568441, 568607, 568612, 568613, 558401, 558423, 548240, 549427, 424308, 424275, 424285, 424317, 424324, 424331, 424339, C07C 6976
Patent
active
047390999
ABSTRACT:
The invention provides a compound of formula (II): ##STR1## and the corresponding isomers and salts; in this formula, a equals 0 or 1; R.sub.1 and R.sub.2 represent, independently, H or a C.sub.1 -C.sub.4 alkyl group; R.sub.3 denotes --C.tbd.N; oxazolinyl; --CH.sub.2 OR.sub.4 (R.sub.4 =H, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.6 mono- or poly-hydroxyalkyl, cyclopentyl or cyclohexyl, or --OR.sub.4 =tetrahydropyranyl); --COR.sub.5 (R.sub.5 =H, C.sub.1 -C.sub.4 alkyl, --NR'R" where R' and R" have various meanings); --OR.sub.6 (R.sub.6 =H, C.sub.1 -C.sub.18 alkyl, C.sub.2 -C.sub.3 monohydroxyalkyl or C.sub.3 -C.sub.6 polyhydroxyalkyl with 2-5 OH groups), which has useful medicinal and cosmetic applications.
REFERENCES:
patent: 4456618 (1984-06-01), Dawson et al.
Forestier Serge
Lagrange Alain
Lang Gerard
Shroot Braham
"L'Oreal"
Killos Paul J.
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