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Dichloromethane → ethyl ((1S)-5-{3-[[2-(4-ethylphenyl)-5-methyl-4-pyrimidinyl](methyl)amino]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate

HRID 2235951
Notes
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Reaction equation

HRID 2235951 reaction equation
Cl[C:2]1[N:7]=[C:6]([N:8]([CH3:28])[CH2:9][CH2:10][CH2:11][O:12][C:13]2[CH:14]=[C:15]3[C:19](=[CH:20][CH:21]=2)[C@H:18]([CH2:22][C:23]([O:25][CH2:26][CH3:27])=[O:24])[CH2:17][CH2:16]3)[C:5]([CH3:29])=[CH:4][N:3]=1.[CH2:30]([C:32]1[CH:37]=[CH:36][C:35](B(O)O)=[CH:34][CH:33]=1)[CH3:31].C(Cl)Cl.C([O-])([O-])=O.[Na+].[Na+]>CCOC(C)=O.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].O1CCOCC1.C1(C)C=CC=CC=1>[CH2:30]([C:32]1[CH:37]=[CH:36][C:35]([C:2]2[N:7]=[C:6]([N:8]([CH3:28])[CH2:9][CH2:10][CH2:11][O:12][C:13]3[CH:14]=[C:15]4[C:19](=[CH:20][CH:21]=3)[C@H:18]([CH2:22][C:23]([O:25][CH2:26][CH3:27])=[O:24])[CH2:17][CH2:16]4)[C:5]([CH3:29])=[CH:4][N:3]=2)=[CH:34][CH:33]=1)[CH3:31]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

9

Reactant 4

HCID 6344DichloromethaneHCID 10340Sodium CarbonateHCID 2734352Boronic acid, (4-ethylphenyl)-HCID 59300440ethyl ((1S)-5-{3-[(2-chloro-5-methyl-4-pyrimidinyl)(methyl)amino]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate

Product 1

HCID 59300499ethyl ((1S)-5-{3-[[2-(4-ethylphenyl)-5-methyl-4-pyrimidinyl](methyl)amino]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate
Yield 59%

Reagents, catalysts & solvents 4

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)CatalystHCID 1140TolueneSolventHCID 8857Ethyl AcetateSolventHCID 312751,4-DioxaneSolvent

Conditions

Temperature
75 °C

Procedure

To a mixture of toluene (12 mL) and 1,4-dioxane (2.5 mL) were added ethyl ((1S)-5-{3-[(2chloro-5-methyl-4-pyrimidinyl)(methyl)amino]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate (Example 342, 205 mg, 0.49 mmol), 4-ethylphenyl boronic acid (294 mg, 1.96 mmol), and PdCl2(dppf).CH2Cl2 (35.9 mg, 0.05 mmol). A flow of argon was passed through the reaction mixture for 30 min, then Na2CO3 (2.45 mL, 4.91 mmol, 2 M aqueous solution) was added, and the reaction was stirred at 75° C. for 18 h. After cooling to rt, the reaction mixture was diluted with EtOAc, and washed with a saturated aqueous solution of NaHCO3. The organic layer was then dried (Na2SO4), filtered, and then concentrated under reduced pressure. The residue was purified by silica gel flash chromatography (4:1 hexanes/EtOAc) to provide the product (140 mg, 59%) as a colorless oil. 1H NMR (400 MHz, CDCl3) δ 1.26-1.32 (m, 6H), 1.73-1.80 (m, 1H), 2.16-2.19 (m, 2H), 2.33 (s, 3H), 2.35-2.42 (m, 2H), 2.67-2.88 (m, 5H), 3.22 (s, 3H), 3.51-3.55 (m, 1H), 3.79 (t, 2H), 4.00 (t, 2H), 4.19 (q, 2H), 6.69 (d, 1H), 6.75 (s, 1H), 7.04 (d, 1H), 7.26 (d, 2H), 8.08 (s, 1H), 8.30 (d, 2H).

Workup

  1. temperatureAfter cooling to rt
  2. washwashed with a saturated aqueous solution of NaHCO3
  3. dry with materialThe organic layer was then dried (Na2SO4)
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by silica gel flash chromatography (4:1 hexanes/EtOAc)

Sources & evidence

ORD record
ord-ad13530f77594c45aecefba9f102edef
Source dataset
uspto-grants-2010_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07714004B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes