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Propargyl bromide → 2-[5-chloro-2-(10-prop-2-ynyl-10-aza-tricyclo[6.3.2.0*2,7*]trideca-2,4,6-trien-4-ylamino)-pyrimidin-4-ylamino]-N-methyl-benzamide

HRID 1040770
Notes
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Reaction equation

HRID 1040770 reaction equation
[CH:1]12[CH2:13][CH2:12][CH:8]([CH2:9][NH:10][CH2:11]1)[C:7]1[C:2]2=[CH:3][C:4]([NH:14][C:15]2[N:20]=[C:19]([NH:21][C:22]3[CH:31]=[CH:30][CH:29]=[CH:28][C:23]=3[C:24]([NH:26][CH3:27])=[O:25])[C:18]([Cl:32])=[CH:17][N:16]=2)=[CH:5][CH:6]=1.C(=O)([O-])[O-].[Cs+].[Cs+].[CH2:39](Br)[C:40]#[CH:41]>CC(C)=O>[Cl:32][C:18]1[C:19]([NH:21][C:22]2[CH:31]=[CH:30][CH:29]=[CH:28][C:23]=2[C:24]([NH:26][CH3:27])=[O:25])=[N:20][C:15]([NH:14][C:4]2[CH:3]=[C:2]3[C:7](=[CH:6][CH:5]=2)[CH:8]2[CH2:12][CH2:13][CH:1]3[CH2:11][N:10]([CH2:41][C:40]#[CH:39])[CH2:9]2)=[N:16][CH:17]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 7842Propargyl bromideHCID 10796Cesium carbonateHCID 672634592-[2-(10-Aza-tricyclo[6.3.2.0*2,7*]trideca-2,4,6-trien-4-ylamino)-5-chloro-pyrimidin-4-ylamino]-N-methyl-benzamide

Product 1

HCID 871720322-[5-chloro-2-(10-prop-2-ynyl-10-aza-tricyclo[6.3.2.0*2,7*]trideca-2,4,6-trien-4-ylamino)-pyrimidin-4-ylamino]-N-methyl-benzamideYield 92.4%

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent

Procedure

2-[2-(10-Aza-tricyclo[6.3.2.0*2,7*]trideca-2,4,6-trien-4-ylamino)-5-chloro-pyrimidin-4-ylamino]-N-methyl-benzamide (30 mg, 0.0667 mmol) was placed in acetone (3 mL) and cesium carbonate (65 mg, 0.200 mmol, 3.0 eq) was added followed by propargyl bromide (80% in toluene) (7.9 μL, 0.0734 mmol, 1.1 eq). The reaction was stirred at room temperature for 24 hours and was then concentrated under reduced pressure. The residue was taken up in CH2Cl2 (10 mL) and washed with water (10 mL). The organic layer was dried (sodium sulfate), filtered, and concentrated under reduced pressure. Purification by basic alumina chromatography using a gradient of 0-10% MeOH/CH2Cl2 as the eluting solvent to obtain 2-[5-chloro-2-(10-prop-2-ynyl-10-aza-tricyclo[6.3.2.0*2,7*]trideca-2,4,6-trien-4-ylamino)-pyrimidin-4-ylamino]-N-methyl-benzamide as an orange foam (30 mg, 92%). LCMS (m/e) 487 (M+1); 1H-NMR (CDCl3, 400 MHz) δ 11.03 (s, 1H), 8.66 (d, 1H, J=8.5 Hz), 8.08 (s, 1H), 7.51-7.40 (m, 2H), 7.37 (d, 1H, J=2.2 Hz), 7.30-7.20 (m, 1H), 7.10-7.0 (m, 2H), 6.92 (s, 1H), 6.18 (bs, 1H), 3.37 (d, 2H, J=2.3 Hz), 3.03 (d, 3H, 4.9 Hz), 3.03-2.98 (m, 1H), 2.97-2.87 (m, 3H), 2.52-2.45 (m, 2H), 2.23-2.15 (m, 2H), 2.14 (t, 1H, J=2.3 Hz), 1.70-1.62 (m, 2H).

Workup

  1. concentrationwas then concentrated under reduced pressure
  2. washwashed with water (10 mL)
  3. dry with materialThe organic layer was dried (sodium sulfate)
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customPurification by basic alumina chromatography

Sources & evidence

ORD record
ord-2ccf986515f543c0a81cc1ec1b256d0e
Source dataset
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08552186B2

Reaction notes

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