Pyridine → HCID 23103069, compound
Reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:9]=[C:10]([O:14][CH3:15])[C:11]=1[O:12][CH3:13])[C:6]([Cl:8])=[O:7].[N:16]1[CH:21]=CC=[CH:18][CH:17]=1.C(OCC)(=[O:24])C>>[ClH:8].[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:9]=[C:10]([O:14][CH3:15])[C:11]=1[O:12][CH3:13])[C:6]([O:24][CH2:18][CH2:17][NH:16][CH3:21])=[O:7]Participants
4
Conditions
- Temperature
- 60 °C
Procedure
To a mixture of tert-butyl 2-hydroxyethyl (methyl)carbamate (1.75 g) obtained in Reference Example 1 and ethyl acetate (10 mL) were added 3,4,5-trimethoxybenzoyl chloride (2.54 g) and pyridine (0.97 mL). After stirring at 60° C. for 14 hrs., 3,4,5-trimethoxybenzoyl chloride (1.30 g), pyridine (0.97 mL) and ethyl acetate (10 mL) were added, and the mixture was stirred at 60° C. for 24 hrs. The reaction mixture was filtered and ethyl acetate (50 mL) and water (30 mL) were added to the filtrate. After partitioning, ethyl acetate layer was washed with 1N hydrochloric acid (30 mL), water (30 mL), an aqueous copper (II) sulfate solution (30 mL), water (30 mL) and saturated brine (30 mL), and dried over anhydrous magnesium sulfate.
Workup
- stirringthe mixture was stirred at 60° C. for 24 hrs
- filtrationThe reaction mixture was filtered
- additionethyl acetate (50 mL) and water (30 mL) were added to the filtrate
- customAfter partitioning
- washethyl acetate layer was washed with 1N hydrochloric acid (30 mL), water (30 mL)
- dry with materialan aqueous copper (II) sulfate solution (30 mL), water (30 mL) and saturated brine (30 mL), and dried over anhydrous magnesium sulfate
Sources & evidence
- ORD record
- ord-5c918db0d1c246519a117d4c4928096d
- Source dataset
- uspto-grants-2014_07
- Patent number
- US08784885B2
Reaction notes
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