Gustavo Cei

US Patent:

50268023, Jun 25, 1991

Filed:

May 8, 1990

Appl. No.:

7/520450

Inventors:

Lon J. Mathias - Hattiesburg MS
Gustavo Cei - Hattiesburg MS

Assignee:

The University of Southern Mississippi - Hattiesburg MS

International Classification:

C80F22606

US Classification:

526259

Abstract:

The present invention is a compound of the formula ##STR1## wherein R. sup. 1 and R. sup. 2 are independently C. sub. 1-20 alkyl unsubstituted or substituted with a C. sub. 1-3 alcohol, or allyl unsubstituted or substituted with a C. sub. 1-4 alkyl or phenyl, R. sup. 3 and R. sup. 4 are independently hydrogen, or C. sub. 1-20 alkyl unsubstituted or substituted with a C. sub. 1-3 alcohol or together R. sup. 3 and R. sup. 4 are oxygen, and R. sup. 5 and R. sup. 6 are independently C. sub. 1-20 alkyl unsubstituted or substituted with C. sub. 1-3 alcohol or phenyl, hydroxy, --(CH. sub. 2). sub. 1-3 COOH, --CHR. sup. 7 COOH wherein R. sup. 7 is C. sub. 1-5 alkyl or C. sub. 1-5 alkyl substituted with hydroxy, amino, or carboxy, or allyl unsubstituted or substituted with a C. sub. 1-4 alkyl or phenyl or together R. sup. 5 and R. sup. 6 with the two nitrogen atoms form a fused ring having the formula ##STR2## wherein n is 1 or 2, or form a fused ring having the formula ##STR3## wherein p is an integer from 0 to 3.

US Patent:

49407961, Jul 10, 1990

Filed:

Mar 17, 1989

Appl. No.:

7/324817

Inventors:

Lon J. Mathias - Hattiesburg MS
Gustavo Cei - Hattiesburg MS

Assignee:

The University of Southern Mississippi - Hattiesburg MS

International Classification:

C07D47108
C07D21381

US Classification:

546323

Abstract:

The present invention is a compound of the formula ##STR1## wherein R. sup. 1 and R. sup. 2 are independently C. sub. 1-20 alkyl unsubstituted or substituted with a C. sub. 1-3 alcohol, or allyl unsubstituted or substituted with a C. sub. 1-4 alkyl or phenyl, R. sub. 3 and R. sup. 4 are independently hydrogen, or C. sub. 1-20 alkyl unsubstituted or substituted with a C. sub. 1-3 alcohol or together R. sup. 3 and R. sup. 4 are oxygen, and R. sup. 5 and R. sup. 6 are independently C. sub. 1-20 alkyl unsubstituted or substituted with C. sub. 1-3 alcohol or phenyl, hydroxy, --(CH. sub. 2). sub. 1-3 COOH, --CHR. sup. 7 COOH wherein R. sup. 7 is C. sub. 1-5 alkyl or C. sub. 1-5 alkyl substituted with hydroxy, amino, or carboxy, or allyl unsubstituted or substituted with a C. sub. 1-4 alkyl or phenyl or together R. sup. 5 and R. sup. 6 with the two nitrogen atoms form a fused ring having the formula ##STR2## wherein n is 1 or 2, or form a fused ring having the formula ##STR3## wherein p is an integer from 0 to 3.

US Patent:

50947591, Mar 10, 1992

Filed:

Apr 3, 1991

Appl. No.:

7/679945

Inventors:

Lon J. Mathias - Hattiesburg MS
Gustavo Cei - Hattiesburg MS

Assignee:

The University of Southern Mississippi - Hattiesburg MS

International Classification:

C02F 156

US Classification:

210735

Abstract:

The present invention is a compound of the formula ##STR1## wherein R. sup. 1 and R. sup. 2 are independently C. sub. 1-20 alkyl unsubstituted or substituted with a C. sub. 1-3 alcohol, or allyl unsubstituted or substituted with a C. sub. 1-4 alkyl or phenyl, R. sup. 3 and R. sup. 4 are independently hydrogen, or C. sub. 1-20 alkyl unsubstituted or substituted with a C. sub. 1-3 alcohol or together R. sup. 3 and R. sup. 4 are oxygen, and R. sup. 5 and R. sup. 6 are independently C. sub. 1-20 alkyl unsubstituted or substituted with C. sub. 1-3 alcohol or phenyl, hydroxy, --(CH. sub. 2). sub. 1-3 COOH, --CHR. sup. 7 COOH wherein R. sup. 7 is C. sub. 1-5 alkyl or C. sub. 1-5 alkyl substituted with hydroxy, amino, or carboxy, or allyl unsubstituted or substituted with a C. sub. 1-4 alkyl or phenyl or together R. sup. 5 and R. sup. 6 with the two nitrogen atoms form a fused ring having the formula ##STR2## wherein n is 1 or 2, or form a fused ring having the formula ##STR3## wherein p is an integer from 0 to 3.