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Diisopropylethylamine → HCID 178461947, compound

HRID 243083
Notes
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Reaction equation

HRID 243083 reaction equation
[CH2:1]([O:8][C@@H:9]1[CH2:12][C@H:11]([N:13]2[C:17]3[CH:18]=[C:19]([F:22])[CH:20]=[CH:21][C:16]=3[N:15]=[C:14]2[C@@H:23]([NH2:25])[CH3:24])[CH2:10]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl[C:27]1[N:35]=[CH:34][N:33]=[C:32]2[C:28]=1[N:29]=[CH:30][N:31]2C1CCCCO1.CCN(C(C)C)C(C)C>CC(O)C>[CH2:1]([O:8][C@@H:9]1[CH2:12][C@H:11]([N:13]2[C:17]3[CH:18]=[C:19]([F:22])[CH:20]=[CH:21][C:16]=3[N:15]=[C:14]2[C@@H:23]([NH:25][C:27]2[N:35]=[CH:34][N:33]=[C:32]3[C:28]=2[N:29]=[CH:30][NH:31]3)[CH3:24])[CH2:10]1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 81531DiisopropylethylamineHCID 977406-chloro-9-(tetrahydro-2H-pyran-2-yl)-9H-purineHCID 178461856HCID 178461856, compound

Product 1

HCID 178461947HCID 178461947, compoundYield 76.9%

Reagents, catalysts & solvents 1

HCID 3776IsopropanolSolvent

Conditions

Temperature
90 °C

Procedure

A mixture of (S)-1-[1-(cis-3-benzyloxycyclobutyl)-6-fluoro-1H-benzoimidazol-2-yl]ethylamine (310 mg, 0.91 mmol), 6-chloro-9-(tetrahydropyran-2-yl)-9H-purine (219 mg, 0.91 mmol) and DIPEA (0.81 mL, 4.57 mmol) in IPA (5 mL) was heated at 90° C. in a sealed vial for 16 h. After cooling to RT, the reaction mixture was concentrated in vacuo, dissolved in DCM and loaded onto an Isolute® SCX-2 cartridge which was washed with DCM, MeOH followed by 2M NH3/MeOH. The product containing fractions were combined and concentrated in vacuo. The resulting residue was purified by column chromatography (Si—PCC, gradient 0-10% 2M NH3/MeOH in DCM) to afford the title compound as a glassy white solid (320 mg, 76%). LCMS (Method B): RT 2.76 min [M+H]+ 458. 1H NMR (CDCl3, 400 MHz): δ 8.48 (1H, s), 7.95 (1H, s), 7.71-7.58 (2H, m), 7.42-7.35 (5H, m), 7.07-6.90 (2H, m), 5.95 (1H, s, br), 4.97-4.80 (m, 1H), 4.52 (2H, s), 4.05-3.92 (1H, m), 3.01-2.86 (2H, m), 2.81-2.64 (1H, m), 1.75 (3H, d, J=6.85 Hz).

Workup

  1. temperatureAfter cooling to RT
  2. concentrationthe reaction mixture was concentrated in vacuo
  3. dissolutiondissolved in DCM
  4. washwas washed with DCM, MeOH
  5. additionThe product containing fractions
  6. concentrationconcentrated in vacuo
  7. customThe resulting residue was purified by column chromatography (Si—PCC, gradient 0-10% 2M NH3/MeOH in DCM)

Sources & evidence

ORD record
ord-707368bb749d4f3dba85dc5c4fd5aa3b
Source dataset
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08653089B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes