Diisopropylethylamine → HCID 15410558, compound
Reaction equation
Cl.[CH3:2][C:3]1[CH:4]=[C:5]([CH:18]=[CH:19][CH:20]=1)[C:6]([C:8]1([C:14]([O:16][CH3:17])=[O:15])[CH2:13][CH2:12][NH:11][CH2:10][CH2:9]1)=[O:7].Cl.[C:22]([C:24]1[CH:37]=[CH:36][C:27]([CH2:28][N:29]2[C:33]([CH2:34]Cl)=[CH:32][N:31]=[CH:30]2)=[CH:26][CH:25]=1)#[N:23].C(N(C(C)C)CC)(C)C>C(#N)C>[C:22]([C:24]1[CH:25]=[CH:26][C:27]([CH2:28][N:29]2[C:33]([CH2:34][N:11]3[CH2:10][CH2:9][C:8]([C:6](=[O:7])[C:5]4[CH:18]=[CH:19][CH:20]=[C:3]([CH3:2])[CH:4]=4)([C:14]([O:16][CH3:17])=[O:15])[CH2:13][CH2:12]3)=[CH:32][N:31]=[CH:30]2)=[CH:36][CH:37]=1)#[N:23]Participants
Procedure
A solution of methyl 4-(3-methylbenzoyl)piperidine-4-carboxylate hydrochloride salt (58 mg, 0.2 mmol), l-(4-cyanobenzyl)-5-chloromethylimidazole hydrochloride salt (52 mg, 0.19 mmol), and diisopropylethylamine (174 μL, 1 mmol) in anhydrous acetonitrile (4 mL) was heated at 60° C. overnight. The resultant mixture was concentrated under vacuum, and the residue was partitioned between saturated aqueous sodium bicarbonate and ethyl acetate. The organic extract was washed with brine, dried over anhydrous sodium sulfate, filtered, and concentrated under vacuum. The residue was subjected to column chromatography on silica gel eluting with 2.5% methanol in ethyl acetate. Collection and concentration of appropriate fractions provided the title compound.
Workup
- concentrationThe resultant mixture was concentrated under vacuum
- customthe residue was partitioned between saturated aqueous sodium bicarbonate and ethyl acetate
- extractionThe organic extract
- washwas washed with brine
- dry with materialdried over anhydrous sodium sulfate
- filtrationfiltered
- concentrationconcentrated under vacuum
- customCollection and concentration of appropriate fractions
Sources & evidence
- ORD record
- ord-aabc33756dcd432fb274d5a80b1cde8a
- Source dataset
- uspto-grants-2001_06
- Patent number
- US06248756B1
Reaction notes
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