Boron tribromide → HCID 21706300, compound
Reaction equation
B(Br)(Br)Br.C[O:6][C:7]1[CH:8]=[C:9]([C:13]2([CH2:21][CH2:22][CH3:23])[O:18][CH2:17][CH2:16][N:15]([CH3:19])[C:14]2=[O:20])[CH:10]=[CH:11][CH:12]=1>C(Cl)Cl>[OH:6][C:7]1[CH:8]=[C:9]([C:13]2([CH2:21][CH2:22][CH3:23])[O:18][CH2:17][CH2:16][N:15]([CH3:19])[C:14]2=[O:20])[CH:10]=[CH:11][CH:12]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
BBr3 (1M in CH2Cl2) (0.341 mL, 0.341 mmol) was added dropwise to a solution of 2-(-3-methoxy-phenyl)-4-methyl-2-propyl-morpholine-3-one, as described above in Step D, (0.06 g, 0.227 mmol) in CH2Cl2 (3 mL) at 0° C. with stirring. The ice bath was removed and stirring was continued for 16 h. The reaction mixture was quenched with H2O, concentrated to dryness, then dissolved in MeOH and purified by RP preparative HPLC on a PrepPak (95/5 to 5/95 H2O/CH3CN w/0.1% TFA, flow=65 mL/min) to give the title compound. FAB MS (M+1) 250.
Workup
- customThe ice bath was removed
- stirringstirring
- customThe reaction mixture was quenched with H2O
- concentrationconcentrated to dryness
- dissolutiondissolved in MeOH
- custompurified by RP preparative HPLC on a PrepPak (95/5 to 5/95 H2O/CH3CN w/0.1% TFA, flow=65 mL/min)
Sources & evidence
- ORD record
- ord-c7483fd9aa9a442db5f1101930823c65
- Source dataset
- uspto-grants-2001_09
- Patent number
- US06284755B1
Reaction notes
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