Methylamine → 2-(6-Methyl-benzothiazol-2-ylamino)-1-methyl-1H-benzimidazole-5-carboxylic acid methylamide

HRID 410861Notes

Reaction equation

[CH3:1][C:2]1[CH:24]=[CH:23][C:5]2[N:6]=[C:7]([NH:9][C:10]3[N:14]([CH3:15])[C:13]4[CH:16]=[CH:17][C:18]([C:20]([OH:22])=O)=[CH:19][C:12]=4[N:11]=3)[S:8][C:4]=2[CH:3]=1.CN.[CH3:27][N:28](C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>>[CH3:27][NH:28][C:20]([C:18]1[CH:17]=[CH:16][C:13]2[N:14]([CH3:15])[C:10]([NH:9][C:7]3[S:8][C:4]4[CH:3]=[C:2]([CH3:1])[CH:24]=[CH:23][C:5]=4[N:6]=3)=[N:11][C:12]=2[CH:19]=1)=[O:22]

Participants

Reactant 4

HCID 6329Methylamine

HCID 81531Diisopropylethylamine

HCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)

HCID 58397623HCID 58397623, compound

Product 1

HCID 583974052-(6-Methyl-benzothiazol-2-ylamino)-1-methyl-1H-benzimidazole-5-carboxylic acid methylamideYield 73.8%

Procedure

2-(6-Methyl-benzothiazol-2-ylamino)-1-methyl-1H-benzimidazole-5-carboxylic acid methylamide (26 mg) was prepared by following General Procedure F using 2-(6-methyl-benzothiazol-2-ylamino)-1-methyl-1H-benzimidazole-5-carboxylic acid (34 mg), methylamine (0.2 ml, 2.0 M solution in THF), HBTU (38 mg), and DIEA (0.1 ml). LCMS: m/z 353. 1H NMR (DMSO-d6, 400 MHz): δ 8.32 (m, 1H), 8.00 (br, 1H), 7.66 (d, 1H), 7.55 (s, 2H), 7.38 (m, 2H), 7.14 (d, 1H), 3.63 (s, 3H), 2.87 (d, 3H), and 2.35 (s, 3H).

Sources & evidence

ORD record: ord-e8aee263806a4e44a3217c5368f637ba
Source dataset: uspto-grants-2014_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08759535B2

Reaction notes

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