Ethyl 5-(4-methoxyphenyl)-1,3,4-oxadiazole-2-carboxylate → (3-(3-Chloro-4-((4-methylpiperazin-1-yl)methyl)phenoxy)azetidin-1-yl)(5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl)methanone

HRID 1035213Notes

Reaction equation

HRID 1035213 reaction equation
[NH:1]1[CH2:4][CH:3]([O:5][C:6]2[CH:19]=[CH:18][C:9]([CH2:10][N:11]3[CH2:16][CH2:15][N:14]([CH3:17])[CH2:13][CH2:12]3)=[C:8]([Cl:20])[CH:7]=2)[CH2:2]1.[CH3:21][O:22][C:23]1[CH:28]=[CH:27][C:26]([C:29]2[O:33][C:32]([C:34](OCC)=[O:35])=[N:31][N:30]=2)=[CH:25][CH:24]=1>>[Cl:20][C:8]1[CH:7]=[C:6]([CH:19]=[CH:18][C:9]=1[CH2:10][N:11]1[CH2:12][CH2:13][N:14]([CH3:17])[CH2:15][CH2:16]1)[O:5][CH:3]1[CH2:4][N:1]([C:34]([C:32]2[O:33][C:29]([C:26]3[CH:27]=[CH:28][C:23]([O:22][CH3:21])=[CH:24][CH:25]=3)=[N:30][N:31]=2)=[O:35])[CH2:2]1

Participants

3

Reactant 2

HCID 13407471Ethyl 5-(4-methoxyphenyl)-1,3,4-oxadiazole-2-carboxylateHCID 666532661-(4-(Azetidin-3-yloxy)-2-chlorobenzyl)-4-methylpiperazine

Product 1

HCID 56597142(3-(3-Chloro-4-((4-methylpiperazin-1-yl)methyl)phenoxy)azetidin-1-yl)(5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl)methanoneYield 64%

Procedure

Using a similar protocol as described in Example 16 employing 49A (2.7 g, 9.1 mmol) and ethyl 5-(4-methoxyphenyl)-1,3,4-oxadiazole-2-carboxylate (2.5 g, 10.0 mmol) as starting materials afforded 2.9 g (64%) of 49 as a solid. 1H NMR (500 MHz, CDCl3): δ 2.28 (s, 3H), 2.3-2.7 (m, 8H), 3.56 (s, 2H), 3.88 (s, 3H), 4.32 (dd, 1H), 4.63 (dd, 1H), 4.74 (dd, 1H), 5.05 (m, 1H), 5.11 (m, 1H), 6.67 (dd, 1H), 6.78 (d, 1H), 7.02 (d, 2H), 7.39 (d, 1H), 8.09 (d, 2H), MS (APCI+) m/z 498 [M+H]+, LC purity: 95%.

Sources & evidence

ORD record
ord-08c413e7d8314a8885ba343f781bb900
Source dataset
uspto-grants-2013_10
Patent number
US08546375B2

Reaction notes

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