Rolf Paul - River Vale NJ Robert A. Hardy - Ridgewood NJ John A. Brockman - Woodcliff Lake NJ
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
A61K 31505 C07D47104
US Classification:
514258
Abstract:
This invention is concerned with 5-substituted[1,2,4]triazolo[1,5-c]pyrimidin-2-amines selected from those of Formula I, which are active as antiasthma agents.
Judith Menschik - Tappan NY Rolf Paul - River Vale NJ
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
A61K 3153 C07D47104
US Classification:
424249
Abstract:
This disclosure describes 5-n-propyl-imidazo[1,2-d]-as-triazin-8(7H)-one and 5-phenyl-imidazo[1,2-d]-as-triazin-8(7H)-one which are useful as anti-asthmatic agents and as inhibitors of the enzyme cyclic-AMP phosphodiesterase.
Rolf Paul - River Vale NJ Judith Menschik - Tappan NY
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
A61K 3153 C07D47104
US Classification:
424249
Abstract:
This disclosure describes novel 5-substituted imidazo[1,2-d]-as-triazines useful as anti-asthmatic agents and as inhibitors of the enzyme cyclic-AMP phosphodiesterase.
Substituted 3-(4-Imidazolylmethylene)Carbazic And Thiocarbazic Acid Esters
Rolf Paul - River Vale NJ Judith Menschik - Tappan NY
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
C07D23364
US Classification:
548337
Abstract:
There are provided substituted 3-(4-imidazolyl-methylene)carbazic acid esters and 3-(4-imidazolylmethylene)dithiocarbazic acid esters useful as intermediates for the preparation of compounds which inhibit the enzyme cyclic-AMP phosphodiesterase.
Imidazo [1,5-D]-As-Triazine-4(3H)-Ones And Thiones
Rolf Paul - River Vale NJ Judith Menschik - Tappan NY
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
A61K 3153 C07D25308 C07D48704
US Classification:
424249
Abstract:
There is provided substituted imidazo[1,5-d]-as-triazine-4(3H)-ones and substituted imidazo[1,5-d]-as-triazin-4(3H)-thiones useful as inhibitors of the enzyme cyclic-AMP phosphodiesterase and as broad spectrum herbicides.
Imidazo-[1,5-D]-As-Triazin-1(2H)-Ones And Method Of Ameliorating Asthma
Rolf Paul - River Vale NJ Judith Menschik - Tappan NY
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
C07D48704 A61K 3153
US Classification:
424249
Abstract:
There is provided substituted imidazo[1,5-d]-as-triazine-4(3H)-ones and substituted imidazo[1,5-d]-as-triazin-4(3H)-thiones useful as inhibitors of the enzyme cyclic-AMP phosphodiesterase and as broad spectrum herbicides.