2-Methoxyethylamine → 1-Ethyl-2-[6-(pyridin-3-yloxy)-benzothiazol-2-ylamino]-1H-benzoimidazole-5-carboxylic acid (2-methoxy-ethyl)-amide

HRID 410943Notes

Reaction equation

HRID 410943 reaction equation
[CH2:1]([N:3]1[C:7]2[CH:8]=[CH:9][C:10]([C:12](O)=[O:13])=[CH:11][C:6]=2[N:5]=[C:4]1[NH:15][C:16]1[S:17][C:18]2[CH:24]=[C:23]([O:25][C:26]3[CH:27]=[N:28][CH:29]=[CH:30][CH:31]=3)[CH:22]=[CH:21][C:19]=2[N:20]=1)[CH3:2].[CH3:32][O:33][CH2:34][CH2:35][NH2:36].CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C>[CH3:32][O:33][CH2:34][CH2:35][NH:36][C:12]([C:10]1[CH:9]=[CH:8][C:7]2[N:3]([CH2:1][CH3:2])[C:4]([NH:15][C:16]3[S:17][C:18]4[CH:24]=[C:23]([O:25][C:26]5[CH:27]=[N:28][CH:29]=[CH:30][CH:31]=5)[CH:22]=[CH:21][C:19]=4[N:20]=3)=[N:5][C:6]=2[CH:11]=1)=[O:13]

Participants

6

Reactant 4

HCID 80182-MethoxyethylamineHCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 866568771-Ethyl-2-[6-(pyridin-3-yloxy)-benzothiazol-2-ylamino]-1H-benzoimidazole-5-carboxylic acid

Product 1

HCID 866568781-Ethyl-2-[6-(pyridin-3-yloxy)-benzothiazol-2-ylamino]-1H-benzoimidazole-5-carboxylic acid (2-methoxy-ethyl)-amideYield 40.5%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

1-Ethyl-2-[6-(pyridin-3-yloxy)-benzothiazol-2-ylamino]-1H-benzoimidazole-5-carboxylic acid (2-methoxy-ethyl)-amide (61.0 mg) was prepared by following General Procedure F starting from 1-ethyl-2-[6-(pyridin-3-yloxy)-benzothiazol-2-ylamino]-1H-benzoimidazole-5-carboxylic acid (133.0 mg), 2-methoxy-ethylamine (38.0 mg), HBTU (200.0 mg) and DIEA (0.2 mL) in DMF (1.0 mL). LCMS: m/z 490. 1H NMR (DMSO-d6, 400 MHz): δ 8.44 (1H, m), 8.38-8.32 (2H, m), 8.07 (1H, m), 7.76-7.68 (2H, m), 7.51-7.45 (1H, m), 7.40-7.39 (2H, m), 7.12-7.10 (1H, m), 4.20-4.17 (2H, m), 3.48-3.42 (3H, m), 3.26 (3H, s), 1.48-1.46 (1H, m), 1.32-1.28 (3H, t), 2 —NH proton signals were not observed.

Sources & evidence

ORD record
ord-6d88ca22b89346f3809f21d3ccee8d89
Source dataset
uspto-grants-2014_06
Patent number
US08759535B2

Reaction notes

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