Table 1 Physicochemical Properties of sCLU Enhancer Analogs

From: Discovery of a small molecule secreted clusterin enhancer that improves memory in Alzheimer’s disease mice

Compound

MW (Da)

Kinetic Solubility [μM]

Microsomal Stability [t1/2(min)]

Plasma Binding [% bound]

Brain Tissue Binding [% bound]

PAMPA [Pm]

EC50 for sCLU increase [nM]

( + )-JQ1

456.99

86.5

27

85

87

1.44

313

DDL-351

469.00

57.5

3

99

94

1.35

117

DDL-352

453.99

>100

62

96

64

0.98

1445

DDL-353

468.02

>100

8

93

79

1.08

977

DDL-354

500.01

91.1

12

91

67

0.76

676

DDL-355

454.97

63.7

27

86

88

1.42

99

DDL-356

456.95

>100

75

79

57

0.96

178

DDL-357

440.95

80.0

61

88

75

1.66

223

DDL-358

456.99

59.3

14

98

93

1.42

446

DDL-359

514.04

>100

13

94

44

0.71

2344

DDL-360

415.90

>100

>120

88

59

1.09

631

  1. Desired physicochemical properties: solubility >50 μM; microsomal stability t1/2 > 1 hr; plasma binding <90%; brain tissue binding <80%; PAMPA Pm>1.0; sCLU enhancement EC50 < 313 nM. Values outside desired range shown in red.