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Hydrochloric Acid → N-{2,2-Dimethyl-6-[2-methyl-6-oxo-5-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-4-propylpyrimidin-1(6H)-yl]-3,4-dihydro-2H-chromen-4-yl}acetamide

HRID 1718526
Notes
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Reaction equation

HRID 1718526 reaction equation
O[CH:2]1[C:11]2[C:6](=[CH:7][CH:8]=[C:9]([N:12]3[C:17](=[O:18])[C:16]([CH2:19][C:20]4[CH:25]=[CH:24][C:23]([C:26]5[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=5[C:32]5[NH:36][C:35](=[O:37])[O:34][N:33]=5)=[CH:22][CH:21]=4)=[C:15]([CH2:38][CH2:39][CH3:40])[N:14]=[C:13]3[CH3:41])[CH:10]=2)[O:5][C:4]([CH3:43])([CH3:42])[CH2:3]1.Cl>C(#N)C.C(OCC)(=O)C>[CH3:42][C:4]1([CH3:43])[CH2:3][CH:2]([NH:12][C:17](=[O:18])[CH3:16])[C:11]2[C:6](=[CH:7][CH:8]=[C:9]([N:12]3[C:17](=[O:18])[C:16]([CH2:19][C:20]4[CH:25]=[CH:24][C:23]([C:26]5[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=5[C:32]5[NH:36][C:35](=[O:37])[O:34][N:33]=5)=[CH:22][CH:21]=4)=[C:15]([CH2:38][CH2:39][CH3:40])[N:14]=[C:13]3[CH3:41])[CH:10]=2)[O:5]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 313Hydrochloric AcidHCID 1359558823-(4-hydroxy-2,2-dimethyl-3,4-dihydro-2H-chromen-6-yl)-2-methyl-5-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-6-propylpyrimidin-4(3H)-one

Product 1

HCID 136026967N-{2,2-Dimethyl-6-[2-methyl-6-oxo-5-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-4-propylpyrimidin-1(6H)-yl]-3,4-dihydro-2H-chromen-4-yl}acetamideYield 153.1%

Reagents, catalysts & solvents 2

HCID 6342
Acetonitrile
Solvent
HCID 8857Ethyl AcetateSolvent

Procedure

3-(4-Hydroxy-2,2-dimethyl-3,4-dihydro-2H-chromen-6-yl)-2-methyl-5-{[2′-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-6-propylpyrimidin-4(3H)-one (1.0 g) was dissolved in acetonitrile (10 mL), and concentrated hydrochloric acid (1.0 mL) was added dropwise at 0° C. The reaction mixture was stirred at room temperature for 30 min. The reaction mixture was diluted with ethyl acetate, washed with saturated aqueous sodium hydrogen carbonate solution and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure and the residue was purified by silica gel column chromatography to give the title compound (0.82 g, 76%) as a colorless solid.

Workup

  1. washwashed with saturated aqueous sodium hydrogen carbonate solution
  2. dry with materialwith saturated brine, and dried over anhydrous magnesium sulfate
  3. customThe solvent was evaporated under reduced pressure
  4. customthe residue was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-fe08a377a62141138dce147dbd77c466
Source dataset
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07803940B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes