Darrell E. O'Brien

Purine analog inhibitors of xanthine oxidase ‐ structure activity relationships and proposed binding of the molybdenum cofactor

Roland K. Robins, Ganapathi R. Revankar, Darrell E. O'Brien et al. · Journal of Heterocyclic Chemistry · 1985 · 104 citations

New Phenyl, Molybdenum Cofactor, Pharmacotherapy +16

3-Substituted 5,7-dimethylpyrazolo[1,5-a]pyrimidines, 3',5'-cyclic AMP phosphodiesterase inhibitors

Thomas Novinson, R. James Hanson, Mary K. Dimmitt et al. · Journal of Medicinal Chemistry · 1974 · 73 citations

Pharmaceutical Science, Altmetric Attention Score, Pharmacotherapy +17

Synthesis and antitrichomonal activity of certain pyrazolo[1,5-a]pyrimidines

K. SENGA, Thomas Novinson, Robert H. Springer et al. · Journal of Medicinal Chemistry · 1975 · 42 citations

The synthesis and chemical reactions of certain pyrazolo[1,5‐<i>a</i>]‐1,3,5‐triazines

J. Kobe, Roland K. Robins, Darrell E. O'Brien · Journal of Heterocyclic Chemistry · 1974 · 38 citations · Full text

Methyl Group, Diversity Oriented Synthesis, Engineering +11

Adenosine cyclic 3',5'-monophosphate phosphodiesterase inhibitors. 2. 3-Substituted 5,7-dialkylpyrazolo[1,5-a]pyrimidines

Thomas Novinson, Jon P. Miller, Mieka B. Scholten et al. · Journal of Medicinal Chemistry · 1975 · 38 citations