Patent number: 6451288
Abstract: Compounds of Formula I:
wherein:
X1, and X2 are each independently either O− or S−;
X3 and X4 are each independently either —H or —OH, with the proviso that X3 and X4 are not simultaneously —H;
R1 is selected from the group consisting of O, imido, methylene and dihalomethylene;
R2 is selected from the group consisting of H, halo, alkyl, substituted alkyl, alkoxyl, nitro and azido;
R3 is selected from the group consisting of H, alkyl, acyl, aryl, and arylalkyl; and
R4 is selected from the group consisting of —OR′, —SR′, —NR′, and —NR′R″, wherein R′ and R″ are independently selected from the group consisting of H, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, alkoxyl, and aryloxyl, with the proviso that R′ is absent when R4 is double bonded from an oxygen or sulfur atom to the carbon at the 4-position of the pyrimidine ring, are used in methods of hydrating lung mucus secr
Type:
Grant
Filed:
August 24, 2000
Date of Patent:
September 17, 2002
Assignees:
The University of North Carolina at Chapel Hill, Inspire Pharmaceuticals, Inc.
Inventors:
Richard C. Boucher, Jr., Sammy Ray Shaver, William Pendergast, Benjamin Yerxa, Janet L. Rideout, Robert Dougherty, Dallas Croom
Patent number: 6143279
Abstract: Compounds of Formula I: ##STR1## wherein: X.sub.1, and X.sub.2 are each independently either O.sup.- or S.sup.- ;X.sub.3 and X.sub.4 are each independently either --H or --OH, with the proviso that X.sub.3 and X.sub.4 are not simultaneously --H;R.sub.1 is selected from the group consisting of O, imido, methylene and dihalomethylene;R.sub.2 is selected from the group consisting of H, halo, alkyl, substituted alkyl, alkoxyl, nitro and azido;R.sub.3 is selected from the group consisting of H, alkyl, acyl, aryl, and arylalkyl; andR.sub.4 is selected from the group consisting of --OR', --SR', --NR', and --NR'R", wherein R' and R" are independently selected from the group consisting of H, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, alkoxyl, and aryloxyl, with the proviso that R' is absent when R.sub.
Type:
Grant
Filed:
August 28, 1998
Date of Patent:
November 7, 2000
Assignees:
The University of North Carolina at Chapel Hill, Inspire Pharmaceuticals, Inc.
Inventors:
Richard C. Boucher, Jr., Sammy Ray Shaver, William Pendergast, Benjamin Yerxa, Janet L. Rideout, Robert Dougherty, Dallas Croom
Patent number: 6022527
Abstract: Compounds of Formula I: ##STR1## wherein: X.sub.1, and X.sub.2 are each independently either O.sup.- or S.sup.- ;X.sub.3 and X.sub.4 are each independently either --H or --OH, with the proviso that X.sub.3 and X.sub.4 are not simultaneously --H;R.sub.1 is selected from the group consisting of O, imido, methylene and dihalomethylene;R.sub.2 is selected from the group consisting of H, halo, alkyl, substituted alkyl, alkoxyl, nitro and azido;R.sub.3 is selected from the group consisting of H, alkyl, acyl, aryl, and arylalkyl; andR.sub.4 is selected from the group consisting of --OR', --SR', --NR', and --NR'R", wherein R' and R" are independently selected from the group consisting of H, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, alkoxyl, and aryloxyl, with the proviso that R' is absent when R.sub.
Type:
Grant
Filed:
July 13, 1999
Date of Patent:
February 8, 2000
Assignees:
The University of North Carolina at Chapel Hill, Inspire Pharmaceuticals, Inc.
Inventors:
Richard C. Boucher, Jr., Sammy Ray Shaver, William Pendergast, Benjamin Yerxa, Janet L. Rideout, Robert Dougherty, Dallas Croom
