Ammonium Hydroxide → 4-Cyano-3-(2,4-dichlorophenyl)-5-(2-(fluoromethyl)morpholino)thiophene-2-carboxamide
Reaction equation
[C:1]([C:3]1[C:4]([C:19]2[CH:24]=[CH:23][C:22]([Cl:25])=[CH:21][C:20]=2[Cl:26])=[C:5]([C:16]([OH:18])=O)[S:6][C:7]=1[N:8]1[CH2:13][CH2:12][O:11][CH:10]([CH2:14][F:15])[CH2:9]1)#[N:2].[OH-].[NH4+].CC[N:31]=C=NCCCN(C)C>C(Cl)Cl>[C:1]([C:3]1[C:4]([C:19]2[CH:24]=[CH:23][C:22]([Cl:25])=[CH:21][C:20]=2[Cl:26])=[C:5]([C:16]([NH2:31])=[O:18])[S:6][C:7]=1[N:8]1[CH2:13][CH2:12][O:11][CH:10]([CH2:14][F:15])[CH2:9]1)#[N:2]Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
A mixture of 4-cyano-3-(2,4-dichlorophenyl)-5-(2-(fluoromethyl)morpholino)thiophene-2-carboxylic acid (68.0 mg, 0.000164 mol), 33% ammonium hydroxide (33:67, ammonia:water, 0.1416 mL), EDCI (94.2 mg, 0.000491 mol) and 1-HOBT (66.4 mg, 0.000491 mol) in DCM (7 mL, 0.1 mol) was stirred at rt overnight. The reaction mixture was diluted with DCM and washed with water, the organic layer was dried and purified by column chloromatography to afford 4-cyano-3-(2,4-dichlorophenyl)-5-(2-(fluoromethyl)morpholino)thiophene-2-carboxamide (38 mg, 56%). LCMS: (FA) ES+ 414, ES− 412; 1H NMR (400 MHz, d1-chloroform) δ: 7.59 (d, 1H), 7.42 (dd, 1H), 7.31 (d, 1H), 6.00 (s, 1H), 4.50 (dd, 2H), 4.12-4.08 (m, 2H), 4.00-3.78 (m, 4H), 3.36-3.25 (m, 1H), 3.22-3.15 (m, 1H)
Workup
- washwashed with water
- customthe organic layer was dried
- custompurified by column chloromatography
Sources & evidence
- ORD record
- ord-2c09ed95bf6e400a8b5a531d86f36622
- Source dataset
- uspto-grants-2013_05
- Patent number
- US08440664B2
Reaction notes
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