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Sodium Carbonate → tert-butyl-N-methyl-N-[1-oxo-1-[[5-pyrimidin-5-yl-6-[2-tri(propan-2-yl)silyl-ethynyl]pyridin-2-yl]amino]propan-2-yl]carbamate

HRID 535400
Notes
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Reaction equation

HRID 535400 reaction equation
[C:1]([O:5][C:6](=[O:33])[N:7]([CH:9]([CH3:32])[C:10]([NH:12][C:13]1[CH:18]=[CH:17][C:16](Br)=[C:15]([C:20]#[C:21][Si:22]([CH:29]([CH3:31])[CH3:30])([CH:26]([CH3:28])[CH3:27])[CH:23]([CH3:25])[CH3:24])[N:14]=1)=[O:11])[CH3:8])([CH3:4])([CH3:3])[CH3:2].[N:34]1[CH:39]=[C:38](B(O)O)[CH:37]=[N:36][CH:35]=1.C([O-])([O-])=O.[Na+].[Na+].O1CCOCC1>O.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.CO>[C:1]([O:5][C:6](=[O:33])[N:7]([CH3:8])[CH:9]([CH3:32])[C:10](=[O:11])[NH:12][C:13]1[CH:18]=[CH:17][C:16]([C:38]2[CH:39]=[N:34][CH:35]=[N:36][CH:37]=2)=[C:15]([C:20]#[C:21][Si:22]([CH:29]([CH3:31])[CH3:30])([CH:26]([CH3:28])[CH3:27])[CH:23]([CH3:25])[CH3:24])[N:14]=1)([CH3:4])([CH3:3])[CH3:2]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 10340Sodium CarbonateHCID 312751,4-DioxaneHCID 2795193(Pyrimidin-5-yl)boronic acidHCID 86694383Tert-butyl (1-((5-bromo-6-((triisopropylsilyl)ethynyl)pyridin-2-yl)amino)-1-oxopropan-2-yl)(methyl)carbamate

Product 1

HCID 86694384tert-butyl-N-methyl-N-[1-oxo-1-[[5-pyrimidin-5-yl-6-[2-tri(propan-2-yl)silyl-ethynyl]pyridin-2-yl]amino]propan-2-yl]carbamate

Reagents, catalysts & solvents 3

HCID 178418476HCID 178418476, compoundCatalystHCID 887MethanolSolventHCID 962WaterSolvent2×

Conditions

Temperature
80 °C

Procedure

A mixture of tert-butyl-N-[1-[[5-bromo-6-[2-tri(propan-2-yl)silylethynyl]pyridin-2-yl]-amino]-1-oxopropan-2-yl]-N-methylcarbamate C1a (3.5 g, 6.5 mmol), pyrimidin-5-ylboronic acid (1.0 g, 7.8 mmol), Na2CO3 (1.4 g, 13.2 mmol), Dichlorobis(triphenylphosphine)palladium(II) (450 mg, 0.64 mmol), dioxane (20 ml), MeOH (5 ml) and water (3.5 ml) is stirred under argon atmosphere for 17 h at 80° C. The mixture is diluted with water and extracted with DCM. The combined organic layers are dried over MgSO4 and concentrated in vacuo. The product is purified by RP HPLC. Yield: 2.33 g (67%). HPLC-MS: M+H=538; tR=2.26 min (*Method—4).

Workup

  1. extractionextracted with DCM
  2. dry with materialThe combined organic layers are dried over MgSO4
  3. concentrationconcentrated in vacuo
  4. customThe product is purified by RP HPLC

Sources & evidence

ORD record
ord-4f63e138e343479a96c422c11a5bd43b
Source dataset
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08859541B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes