Patent number: 6127554
Abstract: Compounds according to the formula: ##STR1## wherein: R.sub.1 and R.sub.2 are each independently selected from the group consisting of H, loweralkyl, aryl, alkylaryl, aminoalkyl, aminoaryl, halogen, oxyalkyl, oxyaryl, or oxyarylalkyl; R.sub.3 and R.sub.4 are each independently selected from the group consisting of H, loweralkyl, oxyalkyl, alkylaryl, aryl, oxyaryl, aminoalkyl, aminoaryl, or halogen; and X and Y are located in the para or meta positions and are each selected from the group consisting of H, loweralkyl, oxyalkyl, and ##STR2## wherein: each R.sub.5 is independently selected from the group consisting of H, loweralkyl, alkoxyalkyl, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, cycloalkyl, aryl, or alkylaryl or two R.sub.5 groups together represent C.sub.2 to C.sub.10 alkyl, hydroxyalkyl, or alkylene; and R.sub.
Type:
Grant
Filed:
May 14, 1999
Date of Patent:
October 3, 2000
Assignees:
The University of North Carolina at Chapel Hill, Georgia State University
Inventors:
David W. Boykin, Richard R. Tidwell, W. David Wilson, Iris Francesconi
Patent number: 6008247
Abstract: Compounds according to the formula: ##STR1## wherein: R.sub.1 and R.sub.2 are each independently selected from the group consisting of H, loweralkyl, aryl, alkylaryl, aminoalkyl, aminoaryl, halogen, oxyalkyl, oxyaryl, or oxyarylalkyl; R.sub.3 and R.sub.4 are each independently selected from the group consisting of H, loweralkyl, oxyalkyl, alkylaryl, aryl, oxyaryl, aminoalkyl, aminoaryl, or halogen; and X and Y are located in the para or meta positions and are each selected from the group consisting of H, loweralkyl, oxyalkyl, and ##STR2## wherein: each R.sub.5 is independently selected from the group consisting of H, loweralkyl, alkoxyalkyl, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, cycloalkyl, aryl, or alkylaryl or two R.sub.5 groups together represent C.sub.2 to C.sub.10 alkyl, hydroxyalkyl, or alkylene; and R.sub.
Type:
Grant
Filed:
February 27, 1998
Date of Patent:
December 28, 1999
Assignees:
The University of North Carolina at Chapel Hill, Georgia State University
Inventors:
David W. Boykin, Richard R. Tidwell, W. David Wilson, Iris Francesconi