1,3,4-oxadiazole derivative compounds as histone deacetylase 6 inhibitor, and the pharmaceutical composition comprising the same
The present invention relates to novel compounds having histone deacetylase 6 (HDAC6) in-hibitory activity, stereoisomers thereof or pharmaceutically acceptable salts thereof the use thereof for the preparation of therapeutic medicaments, pharmaceutical compositions containing the same, a method for treating diseases using the composition, and methods for preparing the novel compounds. The novel compounds stereoisomers thereof or pharmaceutically acceptable salts thereof according to the present invention have histone deacetylase (HDAC) inhibitory activity and are effective for the prevention or treatment of HDAC6-mediated diseases, including infectious diseases; neoplasms; endocrine, nutritional and metabolic diseases; mental and be-havioral disorders; neurological diseases; diseases of the eye and adnexa; cardiovascular diseases; respiratory diseases; digestive diseases; diseases of the skin and subcutaneous tissue; diseases of the musculoskeletal system and connective tissue; or congenital malformations, deformations and chromosomal abnormalities.
1. An 1,3,4-oxadiazole derivative compound represented by the following formula I, a stereoisomer thereof or a pharmaceutically acceptable salt thereof:
wherein L 1 or L 3 are each independently a bond or —(C 1 -C 2 alkylene)-;
R 1 is —CX 2 H or —CX 3 ;
L 2 is —(C 1 -C 2 alkylene)-;
R 2 is —NR A R B , —OR C ,
wherein at least one H of
may be substituted with —X, —OH, —O(C 1 -C 4 alkyl), —NR D R E , —(C 1 -C 4 alkyl), —CF 3 , —CF 2 H, —CN, -aryl, -heteroaryl, —(C 1 -C 4 alkyl)-aryl or —(C 1 -C 4 alkyl)-heteroaryl, wherein at least one H of the -aryl, -heteroaryl, —(C 1 -C 4 alkyl)-aryl or —(C 1 -C 4 alkyl)-heteroaryl may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R 3 is —H, —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-C(═O)—O(C 1 -C 4 alkyl), —(C 3 -C 7 cycloalkyl), —(C 2 -C 6 heterocycloalkyl), -aryl, -heteroaryl, -adamantyl,
wherein at least one H of the —(C 1 -C 4 alkyl) may be substituted with —X or —OH,
at least one H of the -aryl or -heteroaryl may be substituted with —X, —OH, —O(C 1 -C 4 alkyl), —OCF 3 , —O-aryl, —NR D R E , —(C 1 -C 4 alkyl), —CF 3 , —CF 2 H, —C(═O)—(C 1 -C 4 alkyl), —C(═O)—O(C 1 -C 4 alkyl), —C(═O)—NR D R E , —S(═O) 2 —(C 1 -C 4 alkyl), -aryl, -heteroaryl
wherein at least one H of
may be substituted with —X, —(C 1 -C 4 alkyl), —CF 3 or —CF 2 H, and
at least one H of the —(C 3 -C 7 cycloalkyl), —(C 2 -C 6 heterocycloalkyl), -adamantyl,
may be substituted with —X, —OH or —(C 1 -C 4 alkyl);
Y 1 , Y 2 and Y 4 are each independently —CH 2 —, —NR F —, —O—, —C(═O)— or —S(═O) 2 —;
Y 3 is —CH 2 — or —N—;
Z 1 to Z 4 are each independently N or CR Z , wherein at least three of Z 1 to Z 4 may not be simultaneously N, and R Z is —H, —X or —O(C 1 -C 4 alkyl);
Z 5 and Z 6 are each independently —CH 2 — or —O—;
Z 7 and Z 8 are each independently ═CH— or ═N—;
Z 9 is —NR G — or —S—;
R A and R B are each independently —H, —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH, —(C 1 -C 4 alkyl)-NR D R E , -aryl, —(C 1 -C 4 alkyl)-aryl, -heteroaryl, —(C 1 -C 4 alkyl)-heteroaryl, —(C 3 -C 7 cycloalkyl), —(C 2 -C 6 heterocycloalkyl) or
wherein at least one H of the —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH or —(C 1 -C 4 alkyl)-NR D R E may be substituted with —X,
at least one H of the -aryl, —(C 1 -C 4 alkyl)-aryl, -heteroaryl, —(C 1 -C 4 alkyl)-heteroaryl, —(C 3 -C 7 cycloalkyl) or —(C 2 -C 6 heterocycloalkyl) may be substituted with —X, —OH, —O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl), —CF 3 , —CF 2 H or —CN, and
at least one H of
may be substituted with —X, —OH, —O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl), —CF 3 , —CF 2 H, —CN, —(C 2 -C 6 heterocycloalkyl), -aryl, —(C 1 -C 4 alkyl)-aryl or -heteroaryl;
R C is —(C 1 -C 4 alkyl), -aryl, —(C 1 -C 4 alkyl)-aryl, -heteroaryl or —(C 1 -C 4 alkyl)-heteroaryl,
wherein at least one H of the —(C 1 -C 4 alkyl) may be substituted with —X or —OH, and
at least one H of the -aryl, —(C 1 -C 4 alkyl)-aryl, -heteroaryl or —(C 1 -C 4 alkyl)-heteroaryl may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R D and R E are each independently —H, —(C 1 -C 4 alkyl), -aryl or —(C 1 -C 4 alkyl)-aryl,
wherein at least one H of the —(C 1 -C 4 alkyl) may be substituted with —X or —OH, and
at least one H of the -aryl or —(C 1 -C 4 alkyl)-aryl may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R F is —H, —(C 1 -C 6 alkyl), —(C 1 -C 4 alkyl)-OH, —(C 1 -C 4 alkyl)-O—(C 1 -C 4 alkyl), —C(═O)—(C 1 -C 4 alkyl), —C(═O)—O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-C(═O)—O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-NR D R E , —S(═O) 2 —(C 1 -C 4 alkyl), -aryl, —(C 1 -C 4 alkyl)-aryl, —(C 2 -C 4 alkenyl)-aryl, -heteroaryl, —(C 1 -C 4 alkyl)-heteroaryl, —C(═O)—(C 3 -C 7 cycloalkyl), —(C 2 -C 6 heterocycloalkyl) or —(C 1 -C 4 alkyl)-C(═O)—(C 2 -C 6 heterocycloalkyl),
wherein at least one H of the —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH, —(C 1 -C 4 alkyl)-O—(C 1 -C 4 alkyl), —C(═O)—(C 1 -C 4 alkyl), —C(═O)—O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-C(═O)—O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-NR D R E or —S(═O) 2 —(C 1 -C 4 alkyl) may be substituted with —X, and
wherein at least one H of the -aryl, —(C 1 -C 4 alkyl)-aryl, —(C 2 -C 4 alkenyl)-aryl, -heteroaryl, —(C 1 -C 4 alkyl)-heteroaryl, —C(═O)—(C 3 -C 7 cycloalkyl), —(C 2 -C 6 heterocycloalkyl) or —(C 1 -C 4 alkyl)-C(═O)—(C 2 -C 6 heterocycloalkyl) may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R G is —H or —(C 1 -C 4 alkyl);
Q is —O— or a bond,
is a single bond or a double bond, provided that when is a double bond, then Y 1 is ═CH—;
a to e are each independently an integer of 0, 1, 2, 3 or 4, provided that a and b may not be simultaneously 0, and c and d may not be simultaneously 0; and
X is F, Cl, Br or I.
2. The 1,3,4-oxadiazole derivative compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 1 ,
wherein L 1 or L 3 are each independently a bond or —(C 1 -C 2 alkylene)-;
R 1 is —CX 2 H or —CX 3 ;
L 2 is —(C 1 -C 2 alkylene)-;
R 2 is —NR A R B , —OR C ,
wherein at least one H of
may be substituted with —X, —OH, —NR D R E , —(C 1 -C 4 alkyl) or -aryl, wherein at least one H of the -aryl may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R 3 is —H, —(C 1 -C 4 alkyl), —(C 3 -C 7 cycloalkyl), -aryl, -heteroaryl, -adamantyl,
wherein at least one H of the —(C 1 -C 4 alkyl) may be substituted with —X or —OH,
at least one H of the -aryl or -heteroaryl may be substituted with —X, —O(C 1 -C 4 alkyl), —OCF 3 , —O-aryl, —(C 1 -C 4 alkyl), —CF 3 , —S(═O) 2 —(C 1 -C 4 alkyl), -aryl, -heteroaryl,
wherein at least one H of
may be substituted with —X or —(C 1 -C 4 alkyl), and
at least one H of the —(C 3 -C 7 cycloalkyl), -adamantyl,
may be substituted with —X, —OH or —(C 1 -C 4 alkyl);
Y 1 , Y 2 and Y 4 are each independently —CH 2 —, —NR F —, —O—, —C(═O)— or —S(═O) 2 —;
Y 3 is —CH 2 — or —N—;
Z 1 to Z 4 are each independently N or CR Z , wherein at least three of Z 1 to Z 4 may not be simultaneously N, and R Z is —H, —X or —O(C 1 -C 4 alkyl);
Z 5 and Z 6 are each independently —CH 2 — or —O—;
Z 7 and Z 8 are each independently ═CH— or ═N—;
Z 9 is —NR G — or —S—;
R A and R B are each independently —H, —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH, —(C 1 -C 4 alkyl)-NR D R E , -aryl, —(C 1 -C 4 alkyl)-aryl, —(C 3 -C 7 cycloalkyl) or
wherein at least one H of the —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH or —(C 1 -C 4 alkyl)-NR D R E may be substituted with —X,
at least one H of the -aryl, —(C 1 -C 4 alkyl)-aryl or —(C 3 -C 7 cycloalkyl) may be substituted with —X, —OH, —O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl), —CF 3 , —CF 2 H or —CN, and
at least one H of
may be substituted with —X, —(C 1 -C 4 alkyl), —CF 3 , —(C 2 -C 6 heterocycloalkyl), —(C 1 -C 4 alkyl)-aryl or -heteroaryl;
R C is —(C 1 -C 4 alkyl) or -aryl, wherein at least one H of the —(C 1 -C 4 alkyl) may be substituted with —X or —OH, and at least one H of the -aryl may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R D and R E are each independently —(C 1 -C 4 alkyl) or —(C 1 -C 4 alkyl)-aryl, wherein at least one H of the —(C 1 -C 4 alkyl) may be substituted with —X or —OH, and at least one H of the —(C 1 -C 4 alkyl)-aryl may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R F is —H, —(C 1 -C 6 alkyl), —(C 1 -C 4 alkyl)-OH, —(C 1 -C 4 alkyl)-O—(C 1 -C 4 alkyl), —C(═O)—(C 1 -C 4 alkyl), —C(═O)—O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-C(═O)—O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-NR D R E , —S(═O) 2 —(C 1 -C 4 alkyl), -aryl, —(C 1 -C 4 alkyl)-aryl, —(C 2 -C 4 alkenyl)-aryl, -heteroaryl, —(C 1 -C 4 alkyl)-heteroaryl, —C(═O)—(C 3 -C 7 cycloalkyl), —(C 2 -C 6 heterocycloalkyl) or —(C 1 -C 4 alkyl)-C(═O)—(C 2 -C 6 heterocycloalkyl),
wherein at least one H of the —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH, —(C 1 -C 4 alkyl)-O—(C 1 -C 4 alkyl), —C(═O)—(C 1 -C 4 alkyl), —C(═O)—O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-C(═O)—O(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-NR D R E or —S(═O) 2 —(C 1 -C 4 alkyl) may be substituted with —X, and
wherein at least one H of the -aryl, —(C 1 -C 4 alkyl)-aryl, —(C 2 -C 4 alkenyl)-aryl, -heteroaryl, —(C 1 -C 4 alkyl)-heteroaryl, —C(═O)—(C 3 -C 7 cycloalkyl), —(C 2 -C 6 heterocycloalkyl) or —(C 1 -C 4 alkyl)-C(═O)—(C 2 -C 6 heterocycloalkyl) may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R G is —H or —(C 1 -C 4 alkyl);
Q is —O— or a bond,
is a single bond or a double bond, provided that when is a double bond, then Y 1 is ═CH—;
a to e are each independently an integer of 0, 1, 2, 3 or 4, provided that a and b may not be simultaneously 0, and c and d may not be simultaneously 0; and
X is F, Cl, Br or I.
3. The 1,3,4-oxadiazole derivative compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 2 ,
wherein L 1 or L 3 are each independently a bond;
L 2 is —(C 1 -C 2 alkylene)-;
R 1 is —CF 2 H or —CF 3 ;
R 2 is —NR A R B ,
wherein at least one H of
may be substituted with —X, —NR D R E or —(C 1 -C 4 alkyl);
R 3 is -aryl, -heteroaryl,
wherein at least one H of the -aryl or -heteroaryl may be substituted with —X, —O(C 1 -C 4 alkyl), —OCF 3 , —(C 1 -C 4 alkyl), -heteroaryl or
wherein at least one H of
may be substituted with —X or —(C 1 -C 4 alkyl), and
at least one H of the
may be substituted with —X, —OH or —(C 1 -C 4 alkyl);
Y 1 is —CH 2 —, —NR F —, —O— or —S(═O) 2 —;
Y 2 is —NR F —, or —O—;
Y 3 is —N—;
Y 4 is —NR F —, —O— or —S(═O) 2 —;
Z 1 to Z 4 are each independently N or CR Z , wherein at least two of Z 1 to Z 4 may not be simultaneously N, and R Z is —H or —X;
Z 5 and Z 6 are each independently —CH 2 — or —O—;
Z 7 and Z 8 are each independently ═CH— or ═N—;
Z 9 is —NR G —;
R A and R B are each independently —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH, —(C 1 -C 4 alkyl)-NR D R E or
wherein at least one H of the —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH or —(C 1 -C 4 alkyl)-NR D R E may be substituted with —X, and
at least one H of
may be substituted with —X or —(C 1 -C 4 alkyl);
R D and R E are each independently —(C 1 -C 4 alkyl), wherein at least one H of the —(C 1 -C 4 alkyl) may be substituted with —X or —OH;
R F is —H, —(C 1 -C 6 alkyl), —(C 1 -C 4 alkyl)-OH, —C(═O)—(C 1 -C 4 alkyl), —S(═O) 2 —(C 1 -C 4 alkyl) or —(C 2 -C 6 heterocycloalkyl),
wherein at least one H of the —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH, —C(═O)—(C 1 -C 4 alkyl) or —S(═O) 2 —(C 1 -C 4 alkyl) may be substituted with —X, and
wherein at least one H of the —(C 2 -C 6 heterocycloalkyl) may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R G is —H or —(C 1 -C 4 alkyl);
Q is —O— or a bond,
is a single bond;
a to d are each independently an integer of 1 or 2;
e is an integer of 0, 1, 2, 3 or 4; and
X is F, Cl or Br.
4. The 1,3,4-oxadiazole derivative compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 3 ,
wherein L 1 or L 3 are each independently a bond;
L 2 is —(C 1 -C 2 alkylene)-;
R 1 is —CF 2 H;
R 2 is —NR A R B ,
wherein at least one H of
may be substituted with —X or —NR D R E ;
R 3 is -aryl, -heteroaryl or
wherein at least one H of the -aryl or -heteroaryl may be substituted with —X, —(C 1 -C 4 alkyl) or -heteroaryl, and
at least one H of the
may be substituted with —X, —OH or —(C 1 -C 4 alkyl);
Y 1 is —CH 2 —, —NR F —, —O— or —S(═O) 2 —;
Y 2 is —NR F —, or —O—;
Z 1 to Z 4 are each independently N or CR Z , wherein at least two of Z 1 to Z 4 may not be simultaneously N, and R Z is —H or —X;
Z 7 and Z 8 are each independently ═CH— or ═N—;
Z 9 is —NR G —;
R A and R B are each independently —(C 1 -C 4 alkyl) or —(C 1 -C 4 alkyl)-OH,
wherein at least one H of the —(C 1 -C 4 alkyl) or —(C 1 -C 4 alkyl)-OH may be substituted with —X;
R D and R E are each independently —(C 1 -C 4 alkyl), wherein at least one H of the —(C 1 -C 4 alkyl) may be substituted with —X or —OH;
R F is —H, —(C 1 -C 6 alkyl), —(C 1 -C 4 alkyl)-OH, —C(═O)—(C 1 -C 4 alkyl), —S(═O) 2 —(C 1 -C 4 alkyl) or —(C 2 -C 6 heterocycloalkyl),
wherein at least one H of the —(C 1 -C 4 alkyl), —(C 1 -C 4 alkyl)-OH, —C(═O)—(C 1 -C 4 alkyl) or —S(═O) 2 —(C 1 -C 4 alkyl) may be substituted with —X, and
wherein at least one H of the —(C 2 -C 6 heterocycloalkyl) may be substituted with —X, —OH, —CF 3 or —CF 2 H;
R G is —H or —(C 1 -C 4 alkyl);
is a single bond;
a to d are each independently an integer of 1 or 2; and
X is F, Cl or Br.
5. A 1,3,4-oxadiazole derivative compound, stereoisomer thereof or pharmaceutically acceptable salt thereof, wherein the compound is selected from the group consisting of compounds described in the following table:
Ex.
Comp.
Structure
1
21249
2
21285
3
21318
4
21319
5
21325
6
21327
7
21329
8
21333
9
21336
10
21337
11
21340
12
21341
13
21342
14
21343
15
21344
16
21345
17
21346
18
21347
19
21348
20
21349
21
21350
22
21351
23
21352
24
21353
25
21354
26
21355
27
21357
28
21358
29
21359
30
21360
31
21361
32
21362
33
21363
34
21364
35
21365
36
21366
37
21367
38
21368
39
21369
40
21370
41
21371
42
21372
43
21373
44
21374
45
21375
46
21376
47
21377
48
21378
49
21379
50
21380
51
21381
52
21382
53
21383
54
21384
55
21385
56
21386
57
21387
58
21388
59
21389
60
21390
61
21391
62
21392
63
21393
64
21394
65
21395
66
21396
67
21397
68
21398
69
21399
70
21400
71
21401
72
21402
73
21403
74
21404
75
21405
76
21406
77
21407
78
21408
79
21409
80
21410
81
21411
82
21412
83
21413
84
21414
85
21415
86
21416
87
21417
88
21418
89
21419
90
21420
91
21421
92
21422
93
21423
94
21424
95
21425
96
21426
97
21427
98
21428
99
21429
100
21431
101
21432
102
21433
103
21434
104
21435
105
21436
106
21437
107
21438
108
21439
109
21440
110
21441
111
21442
112
21443
113
21444
114
21445
115
21446
116
21447
117
21448
118
21449
119
21450
120
21451
121
21452
122
21453
123
21454
124
21455
125
21456
126
21457
127
21458
128
21459
129
21460
130
21461
131
21462
132
21463
133
21464
134
21465
135
21466
136
21467
137
21468
138
21469
139
21470
140
21471
141
21472
142
21473
143
21474
144
21475
145
21476
146
21477
147
21478
148
21479
149
21480
150
21481
151
21482
152
21483
153
21484
154
21485
155
21486
156
21487
157
21488
158
21489
159
21490
160
21491
161
21492
162
21493
163
21494
164
21495
165
21496
166
21497
167
21498
168
21499
169
21500
170
21501
171
21502
172
21511
173
21512
174
21513
175
21514
176
21515
177
21516
178
21517
179
21518
180
21519
181
21520
182
21521
183
21522
184
21527
185
21528
186
21529
187
21530
188
21531
189
21532
190
21533
191
21534
192
21535
193
21536
194
21537
195
21540
196
21541
197
21542
198
21543
199
21544
200
21545
201
21546
202
21552
203
21553
204
21554
205
21555
206
21556
207
21557
208
21564
209
21565
210
21566
211
21568
212
21569
213
21570
214
21576
215
21577
216
21578
217
21583
218
21584
219
21585
220
21586
221
21587
222
21591
223
21592
224
21593
225
21594
226
21597
227
21598
228
21599
229
21600
230
21601
231
21602
232
21619
233
21620
234
21621
235
21622
236
21623
237
21624
238
21625
239
21626
240
21627
241
21628
242
21629
243
21630
244
21631
245
21632
246
21633
247
21634
248
21643
249
21644
250
21645
251
21646
252
21650
253
21651
254
21652
255
21653
256
21654
257
21655
258
21656
259
21657
260
21658
261
21659
262
21660
263
21664
264
21665
265
21666
266
21667
267
21668
268
21669
269
21679
270
21707
271
21708
272
21709
273
21710
274
21724
275
21735
276
21736
277
21759
278
21760
279
21765
280
21766
281
21767
282
21797
283
21798
284
21799
285
21806
286
21807
287
21808
288
21809
289
21810
290
21811
291
21812
292
21813
293
21823
294
21824
295
21829
296
21830
297
21831
298
21839
299
21840
300
21841
301
21842
302
21843
303
21844
304
21845
305
21846
306
21847
307
21848
308
21849
309
21850
310
21851
311
21852
312
21853
313
21854
314
21855
315
21856
316
21857
317
21858
318
21859
319
21860
320
21861
321
21862
322
21863
323
21864
324
21865
325
21866
326
21867
327
21868
328
21869
329
21870
330
21871
331
21872
332
21873
333
21874
334
21875
335
21876
336
21877
337
21878
338
21879
339
21880
340
21881
341
21882
342
21883
343
21884
344
21885
345
21886
346
21887
347
21888
348
21889
349
21890
350
21891
351
21892
352
21893
353
21894
354
21895
355
21896
356
21897
357
21898
358
21899
359
21900
360
21901
361
21902
362
21905
363
21910
364
21914
365
21915
366
21916
367
21917
368
21918
369
21919
370
21924
371
21925
372
21926
373
21929
374
21930
375
21931
376
21932
377
21933
378
21934
379
21935
380
21936
381
21937
382
21938
383
21939
384
21940
385
21941
386
21942
387
21943
388
21944
389
21945
390
21946
391
21947
392
21948
393
21949
394
21950
395
21951
396
21952
397
21953
398
21954
399
21955
400
21956
401
21957
402
21958
403
21970
404
21971
405
21972
406
21973
407
21979
408
21980
409
21981
410
21982
411
21983
412
21984
413
21985
414
21986
415
21987
416
21988
417
21989
418
21990
419
21991
420
21992
421
21993
422
21994
423
21995
424
21996
425
21997
426
21998
427
21999
428
22000
429
22001
430
22002
431
22003
432
22004
433
22005
434
22006
435
22007
436
22008
437
22009
438
22010
439
22011
440
22012
441
22013
442
22014
443
22015
444
22016
445
22017
446
22018
447
22019
448
22020
449
22021
450
22024
6. The 1,3,4-oxadiazole derivative compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 1 , wherein the compound represented by formula I is selected from the group consisting of compounds described in the following table:
Ex.
Comp.
Structure
5
21325
10
21337
30
21360
40
21370
43
21373
48
21378
53
21383
56
21386
93
21423
101
21432
117
21448
124
21455
134
21465
136
21467
138
21469
139
21470
140
21471
141
21472
142
21473
147
21478
149
21480
151
21482
153
21484
159
21490
161
21492
164
21495
165
21496
166
21497
167
21498
168
21499
169
21500
170
21501
175
21514
177
21516
179
21518
183
21522
184
21527
186
21529
188
21531
189
21532
192
21535
193
21536
195
21540
199
21544
201
21546
209
21565
210
21566
216
21578
217
21583
218
21584
219
21585
220
21586
221
21587
222
21591
224
21593
226
21597
227
21598
228
21599
229
21600
231
21602
232
21619
233
21620
235
21622
236
21623
237
21624
238
21625
239
21626
242
21629
243
21630
245
21632
248
21643
251
21646
254
21652
255
21653
256
21654
257
21655
258
21656
259
21657
264
21665
266
21667
269
21679
270
21707
272
21709
273
21710
274
21724
275
21735
276
21736
277
21759
278
21760
285
21806
286
21807
287
21808
289
21810
294
21824
295
21829
296
21830
297
21831
298
21839
300
21841
302
21843
304
21845
306
21847
310
21851
314
21855
317
21858
336
21877
337
21878
338
21879
340
21881
341
21882
342
21883
343
21884
344
21885
345
21886
346
21887
347
21888
353
21894
362
21905
387
21943
388
21944
413
21985
414
21986
7. The 1,3,4-oxadiazole derivative compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 6 , wherein the compound represented by formula I is selected from the group consisting of compounds described in the following table:
Ex.
Comp.
Structure
10
21337
40
21370
43
21373
48
21378
93
21423
134
21465
153
21484
165
21496
167
21498
168
21499
169
21500
170
21501
179
21518
183
21522
184
21527
186
21531
193
21536
195
21540
201
21546
209
21565
210
21566
217
21583
218
21584
219
21585
220
21586
221
21587
222
21591
224
21593
228
21599
229
21600
231
21602
232
21619
233
21620
237
21624
238
21625
239
21626
242
21629
243
21630
248
21643
256
21654
257
21655
264
21665
272
21709
273
21710
274
21724
275
21735
277
21759
287
21808
289
21810
300
21841
302
21843
310
21851
338
21879
344
21885
347
21888
8. A pharmaceutical composition comprising, as an active ingredient, the compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 1 .
9. A pharmaceutical composition comprising, as an active ingredient, the compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 5 .
10. A pharmaceutical composition comprising, as an active ingredient, the compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 1 ; and a pharmaceutically acceptable carrier.
11. A pharmaceutical composition comprising, as an active ingredient, the compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 2 ; and a pharmaceutically acceptable carrier.
12. A pharmaceutical composition comprising, as an active ingredient, the compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 3 ; and a pharmaceutically acceptable carrier.
13. A pharmaceutical composition comprising, as an active ingredient, the compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 4 ; and a pharmaceutically acceptable carrier.
14. A pharmaceutical composition comprising, as an active ingredient, the compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 5 ; and a pharmaceutically acceptable carrier.
15. A pharmaceutical composition comprising, as an active ingredient, the compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 6 ; and a pharmaceutically acceptable carrier.
16. A pharmaceutical composition comprising, as an active ingredient, the compound represented by formula I, stereoisomer thereof or pharmaceutically acceptable salt thereof according to claim 7 ; and a pharmaceutically acceptable carrier.