Organic compounds -- part of the class 532-570 series – Organic compounds – Nitriles
Patent
1994-09-19
1995-08-15
Acquah, Samuel A.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitriles
558402, 548473, 548476, 548477, 548545, 548546, 424 59, 424 60, C07C25500
Patent
active
054420865
ABSTRACT:
Disclosed are certain poly-methine compounds having the formula ##STR1## wherein each R.sup.1 is independently selected from cyano; carboxy; alkenyloxycarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R.sup.2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from --0-- or --S--; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom. Also disclosed are sunscreen formulations and polymeric compositions containing at least one of the poly-methine compounds or the reactive residue thereof.
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Coates, Jr. Clarence A.
Hilbert Samuel D.
Krutak James J.
Oldfield Terry A.
Parham William W.
Acquah Samuel A.
Eastman Chemical Company
Graves, Jr. Bernard J.
Gwinnell Harry J.
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