Water → (R)-3-(benzyloxy)-2-(3-bromo-4-cyanophenylamino)propanamide

HRID 2201050

Reaction equation

HRID 2201050 reaction equation
[Br:1][C:2]1[CH:9]=[C:8](F)[CH:7]=[CH:6][C:3]=1[C:4]#[N:5].[CH2:11]([O:18][CH2:19][C@H:20]([C:22]([NH2:24])=[O:23])[NH2:21])[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1.CCN(C(C)C)C(C)C.O>CS(C)=O.CCOC(C)=O>[CH2:11]([O:18][CH2:19][C@@H:20]([NH:21][C:8]1[CH:7]=[CH:6][C:3]([C:4]#[N:5])=[C:2]([Br:1])[CH:9]=1)[C:22]([NH2:24])=[O:23])[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1

Participants

7

Reactant 4

HCID 962WaterHCID 81531DiisopropylethylamineHCID 1189392-Bromo-4-fluorobenzonitrileHCID 58987402O-benzyl-D-serinamide

Product 1

HCID 67509048(R)-3-(benzyloxy)-2-(3-bromo-4-cyanophenylamino)propanamideYield 17.6%

Reagents, catalysts & solvents 2

HCID 679Dimethyl SulfoxideSolventHCID 8857Ethyl AcetateSolvent

Procedure

A solution of 2-bromo-4-fluorobenzonitrile (200 mg, 1.00 mmol), O-benzyl-D-serinamide (290 mg, 1.49 mmol) and DIEA (0.466 mL, 2.68 mmol) in DMSO (3 mL) was stirred at 100 C for 18 h. Water and EtOAc were added. The organic phase was separated, washed with 1N HCl, dried over Na2SO4, concentrated in vacuo. The residue was purified by a silica gel column, eluted with 0-60% EtOAc in hexane to give (R)-3-(benzyloxy)-2-(3-bromo-4-cyanophenylamino)propanamide (66 mg).

Workup

  1. customThe organic phase was separated
  2. washwashed with 1N HCl
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated in vacuo
  5. customThe residue was purified by a silica gel column
  6. washeluted with 0-60% EtOAc in hexane

Sources & evidence

ORD record
ord-7b1a324529b0441bba81e652b653dea6
Source dataset
uspto-grants-2016_06
Patent number
US09359375B2

Linked notes

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