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Diisopropylethylamine → N-[1-(6-tert-butylpyridin-3-yl)ethyl]-2-(7-cyano-1H-benzimidazol-1-yl)acetamide

HRID 1436348
Notes
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Reaction equation

HRID 1436348 reaction equation
CC1N=CC=CC=1C(N)=O.[C:11]([C:15]1[N:20]=[CH:19][C:18]([CH:21]([NH2:23])[CH3:22])=[CH:17][CH:16]=1)([CH3:14])([CH3:13])[CH3:12].[C:24]([C:26]1[C:31]2[N:32]([CH2:35][C:36](O)=[O:37])[CH:33]=[N:34][C:30]=2[CH:29]=[CH:28][CH:27]=1)#[N:25].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>O>[C:11]([C:15]1[N:20]=[CH:19][C:18]([CH:21]([NH:23][C:36](=[O:37])[CH2:35][N:32]2[C:31]3[C:26]([C:24]#[N:25])=[CH:27][CH:28]=[CH:29][C:30]=3[N:34]=[CH:33]2)[CH3:22])=[CH:17][CH:16]=1)([CH3:14])([CH3:12])[CH3:13]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 11195002(7-Cyano-1H-benzimidazol-1-yl)acetic acidHCID 122437052-MethylnicotinamideHCID 67500288[1-(6-Tert-butylpyridin-3-yl)ethyl]amine2×

Product 1

HCID 23633972
N-[1-(6-tert-butylpyridin-3-yl)ethyl]-2-(7-cyano-1H-benzimidazol-1-yl)acetamide

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

The title compound was synthesized according to the procedure described for the synthesis of 2-methylnicotinamide, starting from [1-(6-tert-butylpyridin-3-yl)ethyl]amine (intermediate 25) (93 mg, 0.52 mmol), 7-cyanobenzimidazole-1-acetic acid (100 mg, 0.5 mmol), HATU (198 mg, 0.52 mmol) and DIPEA (226 μL, 1.3 mmol). Water is added and the reaction is concentrated then purified by reverse phase chromatography. 1H NMR (400 MHz, DMSO-D6) δ ppm 1.26 (s, 9 H), 1.39 (d, J=7.03 Hz, 3 H), 4.87-4.97 (m, 1 H), 5.12-5.27 (m, 2 H), 7.32 (dd, J=8.01, 7.62 Hz, 1 H), 7.35 (d, J=8.20 Hz, 1 H), 7.66 (dd, J=8.30, 2.25 Hz, 1 H), 7.69 (dd, J=7.52, 0.88 Hz, 1 H), 7.99 (dd, J=8.20, 0.98 Hz, 1 H), 8.32 (s, 1 H), 8.45 (d, J=2.54 Hz, 1 H), 8.85 (d, J=7.42 Hz, 1 H). MS [MH+] calc. 362.1981 found 362.3.

Workup

  1. concentrationthe reaction is concentrated
  2. customthen purified by reverse phase chromatography

Sources & evidence

ORD record
ord-2bfc60d6de424725a54029255bacb5f0
Source dataset
uspto-grants-2009_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07618993B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes