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1,8-Diazabicyclo(5.4.0)undec-7-ene → 2-(2-(4-(7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)spiro[3.3]heptan-2-yl)acetonitrile

HRID 1853088
Notes
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Reaction equation

HRID 1853088 reaction equation
[CH3:1][N:2]1[CH:6]=[C:5]([C:7]2[N:12]=[C:11]([C:13]3[CH:14]=[N:15][NH:16][CH:17]=3)[N:10]3[CH:18]=[CH:19][N:20]=[C:9]3[CH:8]=2)[CH:4]=[N:3]1.[CH2:21]1[C:24]2([CH2:27][CH2:26][CH2:25]2)[CH2:23][C:22]1=[CH:28][C:29]#[N:30].N1CCCN2CCCCCC=12>CC#N>[CH3:1][N:2]1[CH:6]=[C:5]([C:7]2[N:12]=[C:11]([C:13]3[CH:14]=[N:15][N:16]([C:22]4([CH2:28][C:29]#[N:30])[CH2:23][C:24]5([CH2:27][CH2:26][CH2:25]5)[CH2:21]4)[CH:17]=3)[N:10]3[CH:18]=[CH:19][N:20]=[C:9]3[CH:8]=2)[CH:4]=[N:3]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 674519072-(Spiro[3.3]heptan-2-ylidene)acetonitrileHCID 674525377-(1-methyl-1H-pyrazol-4-yl)-5-(1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidine

Product 1

HCID 674569282-(2-(4-(7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)spiro[3.3]heptan-2-yl)acetonitrileYield 42.3%

Reagents, catalysts & solvents 1

HCID 6342
Acetonitrile
Solvent

Procedure

7-(1-Methyl-1H-pyrazol-4-yl)-5-(1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidine (Preparation K-1; 0.050 g, 0.189 mmol), 2-(spiro[3.3]heptan-2-ylidene)acetonitrile (0.050 g, 0.377 mmol) and 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine (0.014 mL, 0.094 mmol) were suspended in MeCN (3 mL) and stirred at ambient temperature overnight. The reaction mixture was concentrated under reduced pressure and the crude material purified by flash column chromatography, eluting with 1-4% (9:1 MeOH:NH4OH)/DCM to provide 2-(2-(4-(7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)spiro[3.3]heptan-2-yl)acetonitrile (0.032 g, 0.080 mmol, 42% yield). MS (apci) m/z=399.2 (M+H).

Workup

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. customthe crude material purified by flash column chromatography
  3. washeluting with 1-4% (9:1 MeOH:NH4OH)/DCM

Sources & evidence

ORD record
ord-97f99354dbb24a3681378ee65e89d8e6
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08962596B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes