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Dimethylacetamide → {-[4-(3-Cyano-6-phenyl-imidazo[1,2-a]pyrimidin-7-yl)-phenyl]-cyclobutyl}-carbamic Acid Tert-butyl Ester

HRID 2362163
Notes
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Reaction equation

HRID 2362163 reaction equation
[C:1]([O:5][C:6](=[O:34])[NH:7][C:8]1([C:12]2[CH:17]=[CH:16][C:15]([C:18]3[C:23]([C:24]4[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=4)=[CH:22][N:21]4[C:30](Br)=[CH:31][N:32]=[C:20]4[N:19]=3)=[CH:14][CH:13]=2)[CH2:11][CH2:10][CH2:9]1)([CH3:4])([CH3:3])[CH3:2].C[C:36]([N:38](C)C)=O>C(Cl)Cl.[C-]#N.[C-]#N.[Zn+2].[Zn].C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[C:1]([O:5][C:6](=[O:34])[NH:7][C:8]1([C:12]2[CH:17]=[CH:16][C:15]([C:18]3[C:23]([C:24]4[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=4)=[CH:22][N:21]4[C:30]([C:36]#[N:38])=[CH:31][N:32]=[C:20]4[N:19]=3)=[CH:14][CH:13]=2)[CH2:11][CH2:10][CH2:9]1)([CH3:4])([CH3:3])[CH3:2]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 2

HCID 31374DimethylacetamideHCID 66665726{1-[4-(3-Bromo-6-phenyl-imidazo[1,2-a]pyrimidin-7-yl)-phenyl]-cyclobutyl}-carbamic Acid Tert-butyl Ester

Product 1

HCID 66823489{-[4-(3-Cyano-6-phenyl-imidazo[1,2-a]pyrimidin-7-yl)-phenyl]-cyclobutyl}-carbamic Acid Tert-butyl Ester

Reagents, catalysts & solvents 4

HCID 11186Zinc cyanide (Zn(CN)2)Catalyst
HCID 23994
Zinc
Catalyst
HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)Catalyst
HCID 6344DichloromethaneSolvent

Conditions

Temperature
160 °C

Procedure

A mixture of compound 4-3 (80 mg 0.154 mmol.), Zn(CN)2 (11 mg, 0.0906 mmol.), Zn (1 mg 0.015 mmol.) and Pd(dppf)Cl2 (10 mg) in DMA (2 mL) was heated at 160° C. in microwave system for 45 min. After cooling, the mixture was diluted with 15 mL of DCM, the combined organic phase was washed with 0.1N HCl(aq) and brine, dried over anhydrous Na2SO4 and concentrated. The residue was purified by prep.TLC to give 60 mg of 4-9.

Workup

  1. temperatureAfter cooling
  2. washthe combined organic phase was washed with 0.1N HCl(aq) and brine
  3. dry with materialdried over anhydrous Na2SO4
  4. concentrationconcentrated
  5. customThe residue was purified by prep.TLC

Sources & evidence

ORD record
ord-9edc815ba0f240c19a726432cdbf3316
Source dataset
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08691825B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes