PMID
Data
Article Title
Organization
The crystal structure, absolute configuration, and phosphodiesterase inhibitory activity of (+)-1-(4-bromobenzyl)-4-(3-(cyclopentyloxy)- 4-methoxyphenyl)-pyrrolidin-2-one.

Smithkline Beecham Pharmaceuticals
New bronchodilators. 3. Imidazo[4,5-c][1,8]naphthyridin-4(5H)-ones.

Kyowa Hakko Kogyo
New 5H-pyridazino[4,5-b]indole derivatives. Synthesis and studies as inhibitors of blood platelet aggregation and inotropics.

Universidad De Navarra
Synthesis and cardiotonic activity of novel biimidazoles.

Merrell Dow Research Institute
Synthesis of a tritium-labeled indolidan analogue and its use as a radioligand for phosphodiesterase-inhibitor cardiotonic binding sites.

Eli Lilly
Inhibitors of cyclic AMP phosphodiesterase. 4. Synthesis and evaluation of potential prodrugs of lixazinone (N-cyclohexyl-N-methyl-4-[(1,2,3,5-tetrahydro-2- oxoimidazo[2,1-b]quinazolin-7-yl)-oxy]butyramide, RS-82856).

Syntex Research
Cardiotonic agents. 2. (Imidazolyl)aroylimidazolones, highly potent and selective positive inotropic agents.

TBA
2-(beta-Arylethylamino)- and 4-(beta-arylethylamino)quinazolines as phosphodiesterase inhibitors.

TBA
Orally active PDE4 inhibitors with therapeutic potential.

Minase Research Institute
New orally active PDE4 inhibitors with therapeutic potential.

Minase Research Institute
Highly potent PDE4 inhibitors with therapeutic potential.

Minase Research Institute
3D-QSAR studies on thieno[3,2-d]pyrimidines as phosphodiesterase IV inhibitors.

National Institute of Pharmaceutical Education and Research (NIPER)
Comparative molecular field analysis (CoMFA) of phthalazine derivatives as phosphodiesterase IV inhibitors.

National Institute of Pharmaceutical Education and Research
Synthesis and biological activities of 1-pyridylisoquinoline and 1-pyridyldihydroisoquinoline derivatives as PDE4 inhibitors.

Tanabe Seiyaku
7-Methoxyfuro[2,3-c]pyridine-4-carboxamides as PDE4 inhibitors: a potential treatment for asthma.

Celltech R&D
Synthesis and profile of SCH351591, a novel PDE4 inhibitor.

Schering-Plough
8-Methoxyquinolines as PDE4 inhibitors.

Schering-Plough
8-Methoxyquinoline-5-carboxamides as PDE4 inhibitors: a potential treatment for asthma.

Celltech R&D
Phthalazine PDE4 inhibitors. Part 3: the synthesis and in vitro evaluation of derivatives with a hydrogen bond acceptor.

Zambon Group
Phthalazine PDE4 inhibitors. Part 2: the synthesis and biological evaluation of 6-methoxy-1,4-disubstituted derivatives.

Zambon Group
Synthesis and biological evaluation of 2,5-dihydropyrazol.

RhôNe-Poulenc Rorer
The synthesis and biological evaluation of a novel series of phthalazine PDE4 inhibitors I.

Zambon Group
7-Methoxybenzofuran-4-carboxamides as PDE 4 inhibitors: a potential treatment for asthma.

Celltech-Chiroscience
Synthesis and structure-activity relationships of 4-oxo-1-phenyl-3,4,6,7-tetrahydro-[1,4]diazepino[6,7,1-hi]indoles: novel PDE4 inhibitors.

Institut De Recherche Jouveinal-Parke Davis
Phosphodiesterase inhibitory properties of losartan. Design and synthesis of new lead compounds.

RhôNe-Poulenc Rorer
Quaternary substituted PDE IV inhibitors II: the synthesis and in vitro evaluation of a novel series of gamma-lactams.

Rh£Ne-Poulenc Rorer Central Research
Orally active indole N-oxide PDE4 inhibitors.

Rh£Ne-Poulenc Rorer Central Research
PDE4 inhibitors: new xanthine analogues.

Chiroscience
Quaternary substituted PDE4 inhibitors I: the synthesis and in vitro evaluation of a novel series of oxindoles.

Rh£Ne-Poulenc Rorer Central Research
Thalidomide analogs and PDE4 inhibition.

Celgene
2-Substituted-4-methoxybenzimidazole-based PDE4 inhibitors.

Rh£Ne-Poulenc Rorer
Synthesis and evaluation of a novel series of phosphodiesterase IV inhibitors. A potential treatment for asthma.

Chiroscience
The synthesis and biological evaluation of a novel series of indole PDE4 inhibitors I.

Rh£Ne-Poulenc Rorer Central Research
Preparation and optimization of pyrazolo[1,5-a]pyrimidines as new potent PDE4 inhibitors.

Sanofi Research Center
Catecholic amides as potential selective phosphodiesterase 4D inhibitors: Design, synthesis, pharmacological evaluation and structure-activity relationships.

Southern Medical University
Discovery of a Highly Selective JAK2 Inhibitor, BMS-911543, for the Treatment of Myeloproliferative Neoplasms.

Bristol-Myers Squibb R & D
Discovery of MK-1421, a Potent, Selective sstr3 Antagonist, as a Development Candidate for Type 2 Diabetes.

Merck Research Laboratories
Identification and optimization of pyridazinones as potent and selective c-Met kinase inhibitors.

Merck Serono
The next generation of phosphodiesterase inhibitors: structural clues to ligand and substrate selectivity of phosphodiesterases.

Monash University (Parkville Campus)
Novel, potent, and selective phosphodiesterase 5 inhibitors: synthesis and biological activities of a series of 4-aryl-1-isoquinolinone derivatives.

Tanabe Seiyaku
Novel, potent, and selective phosphodiesterase-4 inhibitors as antiasthmatic agents: synthesis and biological activities of a series of 1-pyridylnaphthalene derivatives.

Tanabe Seiyaku
Cyclic nucleotide phosphodiesterase inhibition by imidazopyridines: analogues of sulmazole and isomazole as inhibitors of the cGMP specific phosphodiesterase.

Smithkline Beecham Pharmaceuticals
1,7- and 2,7-naphthyridine derivatives as potent and highly specific PDE5 inhibitors.

Tanabe Seiyaku
Synthesis and biological evaluation of imidazol-2-one and 2-cyanoiminoimidazole derivatives: novel series of PDE4 inhibitors.

Janssen-Cilag
Synthesis of 4-(8-benzo[1,2,5]oxadiazol-5-yl-[1,7]naphthyridine-6-yl)-benzoic acid: a potent and selective phosphodiesterase type 4D inhibitor.

Novartis Pharma
A prenylated flavonol, sophoflavescenol: a potent and selective inhibitor of cGMP phosphodiesterase 5.

Korea Institute of Science & Technology
The Gif system as a tool in medicinal chemistry: The oxidation of Sch 57726 under GoAgg
III conditions

TBA
Zinc enzymes in medicinal chemistry.

Hefei University of Technology
Therapeutic potential of quinazoline derivatives for Alzheimer's disease: A comprehensive review.

University of Louisiana At Lafayette
Peptidylarginine deiminases 4 as a promising target in drug discovery.

Zhejiang Ocean University
New substituted triaza-benzo[cd]azulen-9-ones as promising phosphodiesterase-4 inhibitors.

Pfizer
Identification of purine inhibitors of phosphodiesterase 7 (PDE7).

Bristol-Myers Squibb Pharmaceutical Research Institute
Discovery of novel N-1 substituted pyrazolopyrimidinones as potent, selective PDE2 inhibitors.

Merck
The discovery of tadalafil: a novel and highly selective PDE5 inhibitor. 2: 2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione analogues.

Glaxosmithkline
Advances in the Development of Phosphodiesterase-4 Inhibitors.

Sichuan Academy of Medical Science & Sichuan Provincial People'S Hospital
Imidazo[5,1-f]triazin-4(3H)-ones, a new class of potent PDE 5 inhibitors.

Bayer
Discovery of 2-((R)-4-(2-Fluoro-4-(methylsulfonyl)phenyl)-2-methylpiperazin-1-yl)-N-((1R,2s,3S,5S,7S)-5-hydroxyadamantan-2-yl)pyrimidine-4-carboxamide (SKI2852): A Highly Potent, Selective, and Orally Bioavailable Inhibitor of 11β-Hydroxysteroid Dehydrogenase Type 1 (11β-HSD1).

Sk Chemicals
Discovery and Early Clinical Development of Isobutyl 1-[8-Methoxy-5-(1-oxo-3

TBA
Ultrasound assisted rapid synthesis of mefenamic acid based indole derivatives under ligand free Cu-catalysis: Their pharmacological evaluation.

Andhra University
Novel PDE5 inhibitors derived from rutaecarpine for the treatment of Alzheimer's disease.

Changzhou University
Solid-phase synthesis of an arylsulfone hydroxamate library.

Rhone-Poulenc Rorer
Structure-Aided Identification and Optimization of Tetrahydro-isoquinolines as Novel PDE4 Inhibitors Leading to Discovery of an Effective Antipsoriasis Agent.

Shanghai Institute of Materia Medica
Pharmacokinetics-Driven Optimization of 4(3 H)-Pyrimidinones as Phosphodiesterase Type 5 Inhibitors Leading to TPN171, a Clinical Candidate for the Treatment of Pulmonary Arterial Hypertension.

Chinese Academy of Sciences
1-Arylnaphthalene lignan: a novel scaffold for type 5 phosphodiesterase inhibitor.

Tanabe Seiyaku
Design, synthesis of novel purin-6-one derivatives as phosphodiesterase 2 (PDE2) inhibitors: The neuroprotective and anxiolytic-like effects.

Changzhou University
Quinazolines: combined type 3 and 4 phosphodiesterase inhibitors.

Novartis Pharma
Aryl sulfonamides as selective PDE4 inhibitors.

Chiroscience
Discovery of a pyrazolo[1,5-a]pyrimidine derivative (MT-3014) as a highly selective PDE10A inhibitor via core structure transformation from the stilbene moiety.

Mitsubishi Tanabe Pharma
Structure Overhaul Affords a Potent Purine PI3Kδ Inhibitor with Improved Tolerability.

TBA
Discovery of BMS-986260, a Potent, Selective, and Orally Bioavailable TGFβR1 Inhibitor as an Immuno-oncology Agent.

Bristol-Myers Squibb Research & Development
Bronchodilator activity of xanthine derivatives substituted with functional groups at the 1- or 7-position.

Hokuriku University
Discovery of clinical candidate 1-(4-(3-(4-(1H-benzo[d]imidazole-2-carbonyl)phenoxy)pyrazin-2-yl)piperidin-1-yl)ethanone (AMG 579), a potent, selective, and efficacious inhibitor of phosphodiesterase 10A (PDE10A).

Amgen
Identification of 2,3-disubstituted pyridines as potent, non-emetic PDE4 inhibitors.

Dainippon Sumitomo Pharma
Novel class of benzoic acid ester derivatives as potent PDE4 inhibitors for inhaled administration in the treatment of respiratory diseases.

Chiesi Farmaceutici
Discovery of potent, selective, bioavailable phosphodiesterase 2 (PDE2) inhibitors active in an osteoarthritis pain model, part I: transformation of selective pyrazolodiazepinone phosphodiesterase 4 (PDE4) inhibitors into selective PDE2 inhibitors.

Pfizer
1,1-Diarylalkenes as anticancer agents: dual inhibitors of tubulin polymerization and phosphodiesterase 4.

Celgene
Functionalized pyrazoles and pyrazolo[3,4-d]pyridazinones: Synthesis and evaluation of their phosphodiesterase 4 inhibitory activity.

Universita Degli Studi Di Firenze
Design of small-sized libraries by combinatorial assembly of linkers and functional groups to a given scaffold: application to the structure-based optimization of a phosphodiesterase 4 inhibitor.

Umr Cnrs 7081
Synthesis and structure-activity relationships of cis-tetrahydrophthalazinone/pyridazinone hybrids: a novel series of potent dual PDE3/PDE4 inhibitory agents.

Vrije Universiteit
Novel selective phosphodiesterase (PDE4) inhibitors. 4. Resolution, absolute configuration, and PDE4 inhibitory activity of cis-tetra- and cis-hexahydrophthalazinones.

Vrije Universiteit
Novel selective PDE4 inhibitors. 3. In vivo antiinflammatory activity of a new series of N-substituted cis-tetra- and cis-hexahydrophthalazinones.

Vrije Universiteit
Pyrazolopyrimidine-2,4-dione sulfonamides: novel and selective calcitonin inducers.

Wyeth Research
Novel selective PDE4 inhibitors. 2. Synthesis and structure-activity relationships of 4-aryl-substituted cis-tetra- and cis-hexahydrophthalazinones.

Vrije Universiteit
Novel selective PDE4 inhibitors. 1. Synthesis, structure-activity relationships, and molecular modeling of 4-(3,4-dimethoxyphenyl)-2H-phthalazin-1-ones and analogues.

Vrije Universiteit
Novel and selective calcitonin-inducing agents.

Wyeth-Ayerst Research
Synthesis, structure-activity relationships, and pharmacological profile of 9-amino-4-oxo-1-phenyl-3,4,6,7-tetrahydro[1,4]diazepino[6, 7,1-hi]indoles: discovery of potent, selective phosphodiesterase type 4 inhibitors.

Pfizer
1,4-Cyclohexanecarboxylates: potent and selective inhibitors of phosophodiesterase 4 for the treatment of asthma.

Smithkline Beecham Pharmaceuticals
Synthesis of 7-benzylamino-6-chloro-2-piperazino-4-pyrrolidinopteridine and novel derivatives free of positional isomers. Potent inhibitors of cAMP-specific phosphodiesterase and of malignant tumor cell growth.

University of Kaiserslautern
Novel cyclic compounds as potent phosphodiesterase 4 inhibitors.

Sw 8 Rh£Ne-Poulenc Rorer Central Research
Design, synthesis, and biological activities of new thieno[3,2-d] pyrimidines as selective type 4 phosphodiesterase inhibitors.

RhôNe-Poulenc Rorer
7-Oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridines as novel inhibitors of human eosinophil phosphodiesterase.

Pfizer
Selective inhibitors of cyclic AMP-specific phosphodiesterase: heterocycle-condensed purines.

Hokuriku University
Novel heterocyclic-fused pyridazinones as potent and selective phosphodiesterase IV inhibitors.

Dipartimento Di Scienze Farmaceutiche, Firenze, Italy.
Biarylcarboxylic acids and -amides: inhibition of phosphodiesterase type IV versus [3H]rolipram binding activity and their relationship to emetic behavior in the ferret.

Pfizer
Inhibition of cyclic adenosine-3',5'-monophosphate phosphodiesterase from vascular smooth muscle by rolipram analogues.

Centre De Neurochimie Du Cnrs
Effects of alkyl substitutions of xanthine skeleton on bronchodilation.

Hokuriku University