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xi | |
| Preface |
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xv | |
| A Personal Foreword |
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xvii | |
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1 | (8) |
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2 Toward a New Generation of PDE5 Inhibitors through Advances in Medicinal Chemistry |
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9 | (20) |
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9 | (1) |
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2.2 The First-Generation Agents |
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10 | (1) |
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2.3 PDE5 as a Mechanism and Alternative Indications Beyond MED |
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11 | (1) |
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2.4 A Summary of PDE5 Chemotypes Reported Post-2010 |
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11 | (1) |
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2.5 Second-Generation PDE5 Inhibitors from Pfizer: Pyrazolopyrimidines |
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12 | (6) |
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2.6 Second-Generation PDE5 Inhibitors from Pfizer: Pyridopyrazinones |
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18 | (7) |
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25 | (4) |
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25 | (4) |
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3 PDE4: New Structural Insights into the Regulatory Mechanism and Implications for the Design of Selective Inhibitors |
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29 | (16) |
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29 | (1) |
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3.2 Isoforms, Domain Organization, and Splice Variants |
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30 | (1) |
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3.3 Structural Features of the Catalytic Site |
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31 | (1) |
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3.4 Regulation of PDE4 Activity |
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32 | (1) |
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3.5 Crystal Structure of Regulatory Domains of PDE4 |
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33 | (5) |
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3.6 UCR2 Interaction and Selectivity |
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38 | (1) |
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39 | (6) |
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40 | (5) |
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4 PDE4: Recent Medicinal Chemistry Strategies to Mitigate Adverse Effects |
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45 | (20) |
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45 | (1) |
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4.2 Brief Summary of pan-PDE4 Inhibitors |
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46 | (3) |
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47 | (1) |
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48 | (1) |
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48 | (1) |
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49 | (1) |
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4.3 PDE4 Strategies to Avoid Gastrointestinal Events |
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49 | (10) |
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4.3.1 Allosteric Modulation |
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49 | (4) |
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53 | (1) |
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53 | (1) |
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54 | (1) |
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54 | (1) |
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55 | (1) |
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55 | (1) |
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56 | (1) |
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56 | (1) |
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57 | (1) |
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57 | (1) |
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58 | (1) |
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4.3.13 Olanzapine Derivatives |
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58 | (1) |
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59 | (6) |
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60 | (5) |
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5 The Function, Enzyme Kinetics, Structural Biology, and Medicinal Chemistry of PDE10A |
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65 | (18) |
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5.1 Enzymology and Protein Structure |
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66 | (3) |
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5.2 Papaverine-Related PDE10A Inhibitors |
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69 | (3) |
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5.3 MP-10/PF-2545920 Class of Inhibitors |
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72 | (2) |
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5.4 PF-2545920/MP-Inspired Inhibitors |
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74 | (1) |
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5.5 PF-2545920/Papaverine/Quinazoline Hybrid Series of Inhibitors |
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75 | (2) |
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5.6 PET Ligand Development |
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77 | (2) |
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79 | (4) |
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79 | (4) |
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6 The State of the Art in Selective PDE2A Inhibitor Design |
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83 | (22) |
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83 | (1) |
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6.2 Selective PDE2A Inhibitors |
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84 | (16) |
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84 | (1) |
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85 | (2) |
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87 | (1) |
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6.2.4 Boehringer Ingelheim |
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88 | (1) |
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89 | (3) |
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92 | (1) |
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93 | (2) |
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95 | (1) |
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95 | (5) |
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100 | (1) |
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100 | (5) |
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101 | (4) |
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7 Crystal Structures of Phosphodiesterase 9A and Insight into Inhibitor Discovery |
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105 | (12) |
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105 | (1) |
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7.2 Subtle Asymmetry of the PDE9 Dimer in the Crystals |
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105 | (2) |
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7.3 The Structure of the PDE9 Catalytic Domain |
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107 | (1) |
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7.4 Interaction of Inhibitors with PDE9 |
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108 | (2) |
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7.5 Implication on Inhibitor Selectivity |
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110 | (7) |
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114 | (3) |
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8 PDEs as CNS Targets: PDE9 Inhibitors for Cognitive Deficit Diseases |
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117 | (24) |
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8.1 PDE9A Enzymology and Pharmacology |
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117 | (2) |
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8.2 Crystal Structures of PDE9A Inhibitors |
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119 | (1) |
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8.3 Medicinal Chemistry Efforts toward Identifying PDE9A Inhibitors for Treating Cognitive Disorders |
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120 | (15) |
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120 | (5) |
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125 | (4) |
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8.3.3 Boehringer Ingelheim |
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129 | (3) |
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8.3.4 Sun Yat-Sen University, China |
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132 | (1) |
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8.3.5 Envivo Pharmaceuticals |
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133 | (2) |
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8.4 Analysis of CNS Desirability of PDE9A Inhibitors |
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135 | (1) |
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135 | (6) |
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137 | (4) |
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141 | (14) |
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141 | (1) |
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141 | (1) |
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142 | (1) |
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9.4 Expression and Tissue Distribution |
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143 | (1) |
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143 | (2) |
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144 | (1) |
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144 | (1) |
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144 | (1) |
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9.6 Inhibitors and Potential Therapeutic Uses |
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145 | (10) |
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150 | (5) |
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10 Selective New Small-Molecule Inhibitors of Phosphodiesterase 1 |
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155 | (10) |
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155 | (1) |
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155 | (1) |
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156 | (5) |
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10.3.1 Non-Selective PDE1 Inhibitors |
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156 | (2) |
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10.3.2 Selective PDE1 inhibitors |
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158 | (3) |
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161 | (4) |
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163 | (2) |
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11 Recent Advances in the Development of PDE7 Inhibitors |
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165 | (19) |
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165 | (1) |
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11.1.1 PDE7: Subtypes and Distribution |
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165 | (1) |
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11.1.2 Rationale for PDE7 as a Therapeutic Target |
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166 | (1) |
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11.2 Historical Development of PDE7 Inhibitors |
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166 | (3) |
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11.2.1 Early Examples of Nonselective and Selective Lead Matter |
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166 | (1) |
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11.2.2 Developing Selective Lead Matter from Nonselective Hits |
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167 | (1) |
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11.2.3 Targeting PDE4/7 Dual Inhibitors |
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168 | (1) |
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11.3 Recent Advances in the Discovery of PDE7 Inhibitors for Peripheral Therapeutic Benefit |
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169 | (4) |
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11.3.1 PDE7 Inhibitors for the Treatment of T Cell-Related Disorders |
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169 | (1) |
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11.3.1.1 Developments in PDE7 Inhibitors for the Treatment of Airway-Related Disorders |
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170 | (1) |
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11.3.1.2 Developments in PDE7 Inhibitors for the Treatment of Nonairway-Related Disorders |
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171 | (1) |
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11.3.1.3 Summary of T-Cell-Related Research |
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171 | (1) |
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11.3.2 PDE7 Inhibitors for the Treatment of Neuropathic Pain |
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172 | (1) |
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11.4 Recent Advances in the Discovery of PDE7 Inhibitors for CNS-Related Disorders |
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173 | (5) |
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11.4.1 Creating PDE7 Inhibitors by Ligand-Based Virtual Screening Methods |
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173 | (3) |
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11.4.2 Repositioning PDE7 Inhibitors Designed for the Treatment of Peripheral Diseases |
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176 | (2) |
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11.5 Recent Advances in the Discovery of Dual PDE7 Inhibitors |
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178 | (3) |
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11.5.1 Dual PDE4/7 Inhibitors |
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178 | (2) |
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11.5.2 Dual PDE7/8 Inhibitors |
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180 | (1) |
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11.6 Identifying Next-Generation PDE7 Inhibitors |
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181 | (3) |
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11.6.1 Emerging Chemotypes as Novel PDE7 Inhibitors |
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181 | (1) |
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11.6.2 Novel Methods to Identify PDE7 Inhibitors |
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182 | (1) |
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11.6.2.1 Computational Methods to Identify New PDE7 Inhibitors |
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182 | (1) |
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11.6.2.2 Fission Yeast-Based HTS to Identify New PDE7 Inhibitors |
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183 | (1) |
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184 | (7) |
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185 | (6) |
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12 Inhibitors of Protozoan Phosphodiesterases as Potential Therapeutic Approaches for Tropical Diseases |
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191 | (20) |
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191 | (1) |
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192 | (3) |
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12.2.1 PfPDE Inhibition Studies |
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193 | (2) |
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195 | (2) |
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197 | (3) |
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12.5 Human African Trypanosomiasis |
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200 | (5) |
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205 | (6) |
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206 | (5) |
| Index |
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211 | |