Iodine → HCID 178430462, compound
Reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[C:9]1[C:10]([C:22]#[N:23])=[C:11]([N:16]2[CH2:21][CH2:20][O:19][CH2:18][CH2:17]2)[S:12][C:13]=1[CH:14]=O.C(O)(C)(C)C.[NH2:29][CH2:30][CH:31]([NH2:33])[CH3:32].II.C(=O)([O-])[O-].[K+].[K+]>>[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[C:9]1[C:10]([C:22]#[N:23])=[C:11]([N:16]2[CH2:21][CH2:20][O:19][CH2:18][CH2:17]2)[S:12][C:13]=1[C:14]1[NH:29][CH2:30][CH:31]([CH3:32])[N:33]=1Participants
Procedure
To 4-(2,4-dichlorophenyl)-5-formyl-2-morpholin-4-ylthiophene-3-carbonitrile (52.0 mg, 0.000142 mol) in tert-butyl alcohol (0.75 g, 0.010 mol) was added 1,2-diaminopropane (12.9 mg, 0.000174 mol) and the mixture was stirred for 30 min. Iodine (51 mg, 0.00020 mol) and potassium carbonate (65.7 mg, 0.000475 mol) was added the mixture was stirred at 70° C. for 3 hr. The reaction mixture was quenched by saturated sodium bicarbonate solution and brine. The organic layer was collected and purified by column chromatography to afford 4-(2,4-dichlorophenyl)-5-(4-methyl-4,5-dihydro-1H-imidazol-2-yl)-2-morpholinothiophene-3-carbonitrile (19 mg, 32%). LCMS: (FA) ES+ 421. 1H NMR (400 MHz, d1-chloroform) δ: 7.60 (s, 1H), 7.50-7.40 (m, 1H), 7.40-7.30 (m, 1H), 4.20-4.05 (m, 1H), 3.90-3.75 (m, 5H), 3.60-3.70 (m, 4H), 3.38-3.20 (m, 1H), 1.25 (s, 3H).
Workup
- stirringwas stirred at 70° C. for 3 hr
- customThe reaction mixture was quenched by saturated sodium bicarbonate solution and brine
- customThe organic layer was collected
- custompurified by column chromatography
Sources & evidence
- ORD record
- ord-5385df8004774ed7919492a4f62e1244
- Source dataset
- uspto-grants-2013_05
- Patent number
- US08440664B2
Reaction notes
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