Acetic Acid → HCID 86616715, compound

HRID 1783844Notes

Reaction equation

HRID 1783844 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:37]=[CH:38][CH:39]=4)[CH:35]=O)[CH:21]=[CH:20][N:19]=3)[CH2:12]2)(=[O:10])=[O:9])=[CH:4][CH:3]=1.Cl.[NH2:41][OH:42].C(O)(=O)C>CO.ClCCl>[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:37]=[CH:38][CH:39]=4)[CH:35]=[N:41][OH:42])[CH:21]=[CH:20][N:19]=3)[CH2:12]2)(=[O:10])=[O:9])=[CH:4][CH:3]=1

Participants

6

Reactant 3

HCID 176Acetic AcidHCID 443297Hydroxyamine hydrochlorideHCID 57463206HCID 57463206, compound

Product 1

HCID 86616715HCID 86616715, compoundYield 61.3%

Reagents, catalysts & solvents 2

HCID 887MethanolSolventHCID 6344DichloromethaneSolvent

Conditions

Temperature
50 °C

Procedure

To a mixture 3-{5-[2-({(3R)-1-[(4-chlorophenyl)sulfonyl]piperidin-3-yl}amino)pyrimidin-4-yl]imidazo[2,1-b][1,3]thiazol-6-yl}benzaldehyde (0.81 g, 0.14 mmol) and hydroxylamine hydrochloride (0.0107 g, 0.154 mmoL) in methanol (2.0 mL) was added 0.2 mL of acetic acid. The mixture was heated at 50° C. for 2 hours. After cooled to room temperature, the mixture was diluted with dichloromethane (10 mL), washed with saturated aqueous sodium bicarbonate (5 mL×3), water (5 mL), dried over sodium sulfate and concentrated. Product was purified by flash chromatography on silica gel (methanol:dichloromethane:ethylacetate=0.5:7:2) to afford 0.051 g (61%) of the title compound as an off-white solid. M.p.=238-240° C. 400 MHz 1H NMR (DMSO-d6 at 60° C.) δ: 11.14 (s, 1H), 8.70 (bs, 1H), 8.17 (s, 1H), 8.11 (d, J=5.6 Hz, 1H), 7.8 (s, 1H), 7.77-7.74 (m, 2H), 7.68-7.64 (m, 3H), 7.60-7.57 (m, 1H), 7.47 (t, J=7.6 Hz, 1H), 7.41 (d, J=4.4 Hz, 1H), 7.14 (d, J=7.6 Hz, 1H), 6.40 (d, J=5.2 Hz, 1H), 3.93 (br. s, 1H), 3.74-3.71 (m, 1H), 3.48-3.45 (m, 1H), 2.5-2.4 (m, 1H), 2.33 (t, J=10.4 Hz, 1H), 1.89-1.82 (m, 2H), 1.59-1.56 (m, 1H), 1.40-1.32 (m, 1H). LCMS: 594 [M+H].

Workup

  1. temperatureAfter cooled to room temperature
  2. washwashed with saturated aqueous sodium bicarbonate (5 mL×3), water (5 mL)
  3. dry with materialdried over sodium sulfate
  4. concentrationconcentrated
  5. customProduct was purified by flash chromatography on silica gel (methanol:dichloromethane:ethylacetate=0.5:7:2)

Sources & evidence

ORD record
ord-fac448887d99423fbc37cb339ce21182
Source dataset
uspto-grants-2009_03
Patent number
US07501430B2

Reaction notes

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