HCID 57590682, compound → HCID 57463079, compound

HRID 1783841Notes

Reaction equation

HRID 1783841 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([N:11]2[CH2:16][CH2:15][CH2:14][C@@H:13]([NH:17][C:18]3[N:23]=[C:22]([C:24]4[N:31]5[C:27]([S:28][CH:29]=[CH:30]5)=[N:26][C:25]=4[C:32]4[CH:33]=[C:34]([CH:41]=[CH:42][CH:43]=4)[C:35](N(OC)C)=[O:36])[CH:21]=[CH:20][N:19]=3)[CH2:12]2)(=[O:10])=[O:9])=[CH:4][CH:3]=1.[CH3:44][Mg]Cl>O1CCCC1>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([N:11]2[CH2:16][CH2:15][CH2:14][C@@H:13]([NH:17][C:18]3[N:23]=[C:22]([C:24]4[N:31]5[C:27]([S:28][CH:29]=[CH:30]5)=[N:26][C:25]=4[C:32]4[CH:33]=[C:34]([C:35](=[O:36])[CH3:44])[CH:41]=[CH:42][CH:43]=4)[CH:21]=[CH:20][N:19]=3)[CH2:12]2)(=[O:9])=[O:10])=[CH:4][CH:3]=1

Participants

4

Reactant 2

HCID 57590682HCID 57590682, compoundHCID 178418332HCID 178418332, compound

Product 1

HCID 57463079HCID 57463079, compoundYield 91%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 3-(5-{2-[(R)-1-(4-chloro-benzenesulfonyl)-piperidin-3-ylamino]-pyrimidin-4-yl}-imidazo[2,1-b]thiazol-6-yl)-N-methoxy-N-methyl-benzamide (0.10 g, 0.157 mmol) in anhydrous tetrahydrofuran (THF) (3.0 mL) at 0° C. was added a solution of methyl magnesium chloride (3.0 M in THF) (0.523 mL, 1.57 mmoL). The mixture was stirred for 3 hours, then quenched with saturated aqueous ammonium chloride solution (1 mL). Product was extracted with 10 mL of dichloromethane, washed with water (5 mL×2), dried over sodium sulfate and concentrated. Product was purified by flash chromatography on silica gel (40% dichloromethane in ethyl acetate) to afford 0.085 g (91%) of the title compound as a pale yellow solid. M.p.=124-127° C. 400 MHz 1H NMR (DMSO-d6 at 60° C.) δ: 8.70 (br. s, 1H), 8.17 (m, 1H), 8.12 (d, J=5.6 Hz, 1H), 7.9 (d, J=7.6 Hz, 1H), 7.86-7.84 (m, 1H), 7.77-7.74 (m, 2H), 7.67-7.65 (m, 2H), 7.62 (t, J=8.0 Hz, 1H), 7.42 (d, J=4.8 Hz, 1H), 7.15 (d, J=7.6 Hz, 1H), 6.38 (d, J=5.2 Hz, 1H), 3.93 (bs, 1H), 3.74-3.72 (m, 1H), 3.48-3.45 (m, 1H), 2.57 (s, 3H), 2.49-2.45 (m, 1H), 2.32 (t, J=10.4 Hz, 1H), 1.90-1.82 (m, 2H), 1.59-1.56 (m, 1H), 1.39-1.32 (m, 1H); LCMS: 594 [M+H].

Workup

  1. customquenched with saturated aqueous ammonium chloride solution (1 mL)
  2. extractionProduct was extracted with 10 mL of dichloromethane
  3. washwashed with water (5 mL×2)
  4. dry with materialdried over sodium sulfate
  5. concentrationconcentrated
  6. customProduct was purified by flash chromatography on silica gel (40% dichloromethane in ethyl acetate)

Sources & evidence

ORD record
ord-2f983a535bf843b38eb33d4849312b9f
Source dataset
uspto-grants-2009_03
Patent number
US07501430B2

Reaction notes

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