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1,8-Diazabicyclo(5.4.0)undec-7-ene → 3-(benzyloxy)-1-[4-(7-[2-(trimethylsilyl)ethoxy]methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]cyclobutylacetonitrile

HRID 1692959
Notes
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Reaction equation

HRID 1692959 reaction equation
[CH2:1]([O:8][CH:9]1[CH2:12][C:11](=[CH:13][C:14]#[N:15])[CH2:10]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[NH:16]1[CH:20]=[C:19]([C:21]2[C:22]3[CH:29]=[CH:28][N:27]([CH2:30][O:31][CH2:32][CH2:33][Si:34]([CH3:37])([CH3:36])[CH3:35])[C:23]=3[N:24]=[CH:25][N:26]=2)[CH:18]=[N:17]1.N12CCCN=C1CCCCC2>C(#N)C>[CH2:1]([O:8][CH:9]1[CH2:12][C:11]([CH2:13][C:14]#[N:15])([N:16]2[CH:20]=[C:19]([C:21]3[C:22]4[CH:29]=[CH:28][N:27]([CH2:30][O:31][CH2:32][CH2:33][Si:34]([CH3:37])([CH3:36])[CH3:35])[C:23]=4[N:24]=[CH:25][N:26]=3)[CH:18]=[N:17]2)[CH2:10]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 426313464-(1H-Pyrazol-4-yl)-7-(2-(trimethylsilyl)ethoxy)methyl-7 H-pyrrolo(2,3-d)-pyrimidineHCID 66824115[3-(Benzyloxy)cyclobutylidene]acetonitrile

Product 1

HCID 670171953-(benzyloxy)-1-[4-(7-[2-(trimethylsilyl)ethoxy]methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]cyclobutylacetonitrile

Reagents, catalysts & solvents 1

HCID 6342
Acetonitrile
Solvent

Conditions

Temperature
50 °C

Procedure

To a mixture of [3-(benzyloxy)cyclobutylidene]acetonitrile (0.1 g, 0.0005 mol) and 4-(1H-pyrazol-4-yl)-7-[2-(trimethylsilyl)ethoxy]methyl-7H-pyrrolo[2,3-d]pyrimidine (0.1 g, 0.0003 mol) in acetonitrile (5 mL) was added 1,8-diazabicyclo[5.4.0]undec-7-ene (0.05 mL, 0.0003 mol) under nitrogen. The mixture was heated at 50° C. overnight, then concentrated under reduced pressure. The residue was purified with combiflash (silica gel, 0-55% EtOAc/Hex) to give the desired product as cis- and trans-isomer mixture. LCMS calculated for C28H35N6O2Si(M+H)+: 515.3; Found: 515.4.

Workup

  1. concentrationconcentrated under reduced pressure
  2. customThe residue was purified with combiflash (silica gel, 0-55% EtOAc/Hex)

Sources & evidence

ORD record
ord-2aeb97f32ac14578a9e25df065fe8389
Source dataset
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08158616B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes