Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-10-27
1990-02-06
Willis, Prince E.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
514255, 514330, 514423, 514532, 514567, 514569, 514617, 514622, 514719, 514730, 562460, C07C 5976
Patent
active
048988642
ABSTRACT:
Bicyclic aromatic compound having the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or alkyl, at least two of R.sub.1 -R.sub.4 radicals being other than hydrogen,
REFERENCES:
patent: 3994920 (1976-11-01), Sulkowski
patent: 4550197 (1985-10-01), Shippey
Fu et al., "A Modified Approach to the Synthesis of 5--and 6--Methylbenz Anthracenes", Organic Prep. & Proc., 14(3), 169-175, (1982).
Witrak et al., J. of Org. Chem., 51(24), pp. 4499-4507, Nov. 28, 1986.
Lang Gerard
Maignan Jean
Malle Gerard
Vingler Philippe
"L'Oreal"
Markowski Kathleen
Willis Prince E.
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