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Triethylamine → 2-(7-Cyano-1H-benzimidazol-1-yl)-N-{1-[4-(1-cyanocyclobutyl)phenyl]ethyl}acetamide

HRID 419987
Notes
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Reaction equation

HRID 419987 reaction equation
[C:1]([C:3]1[C:8]2[N:9]([CH2:12][C:13]([OH:15])=O)[CH:10]=[N:11][C:7]=2[CH:6]=[CH:5][CH:4]=1)#[N:2].[NH2:16][CH:17]([C:19]1[CH:24]=[CH:23][C:22]([C:25]2([C:29]#[N:30])[CH2:28][CH2:27][CH2:26]2)=[CH:21][CH:20]=1)[CH3:18].CCN(CC)CC.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CC#N.O>[C:1]([C:3]1[C:8]2[N:9]([CH2:12][C:13]([NH:16][CH:17]([C:19]3[CH:24]=[CH:23][C:22]([C:25]4([C:29]#[N:30])[CH2:26][CH2:27][CH2:28]4)=[CH:21][CH:20]=3)[CH3:18])=[O:15])[CH:10]=[N:11][C:7]=2[CH:6]=[CH:5][CH:4]=1)#[N:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 8471TriethylamineHCID 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 582984661-[4-(1-Aminoethyl)phenyl]cyclobutanecarbonitrile

Product 1

HCID 24850121
2-(7-Cyano-1H-benzimidazol-1-yl)-N-{1-[4-(1-cyanocyclobutyl)phenyl]ethyl}acetamide

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6342AcetonitrileSolvent2×

Procedure

2-(7-Cyano-1H-benzimidazol-1-yl)-N-{1-[4-(1-cyanocyclobutyl)phenyl]ethyl}acetamide is synthesized according to example 5 by mixing (7-cyano-1H-benzimidazol-1-yl)acetic acid (95.0 mg, 0.475 mmol) prepared according to scheme 3, 1-[4-(1-aminoethyl)phenyl]cyclobutanecarbonitrile (95 mg, 0.475 mmol) prepared according to scheme 9, Et3N (144 mg, 1.43 mmol, 0.199 mL) and HATU (181 mg, 0.475 mmol) in MeCN (10.0 mL). The product is purified by HPLC: Gilson prep pumps, Flow rate: 30 ml/min, Column: Gemini (5μ) 21.2×50 mm, Mobile phase: A=water (10 mM NH4CO3) B=MeCN, (34.0 mg, 0.0888 mmol, 19%). 1H NMR (400 MHz, DMSO-D6) δ ppm 1.40 (d, J=7.03 Hz, 3H) 1.89-2.05 (m, 1 H) 2.15-2.34 (m, 1H) 2.52-2.66 (m, 2H) 2.66-2.80 (m, 2H) 4.88-5.01 (m, 1H) 5.25 (dd, J=22.66, 17.58 Hz, 2H) 7.31-7.46 (m, 5H) 7.71 (dd, J=7.62, 0.78 Hz, 1H) 8.01 (dd, J=8.01, 0.78 Hz, 1H) 8.36 (s, 1H) 8.87 (d, J=7.62 Hz, 1H); MS [M+H], calcd: 384.0. found: 384.2.

Workup

  1. customprepared
  2. customprepared
  3. customThe product is purified by HPLC

Sources & evidence

ORD record
ord-22698b29ace74c128ef08083a7fcfa80
Source dataset
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08093402B2

Reaction notes

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