Chloroacetyl chloride → HCID 66975664, compound

HRID 1022529Notes

Reaction equation

[CH2:1]([NH:8][CH2:9][CH:10]([CH2:21][O:22][Si:23]([C:26]([CH3:29])([CH3:28])[CH3:27])([CH3:25])[CH3:24])[CH:11]([C:13]1[CH:18]=[CH:17][C:16]([Cl:19])=[C:15]([Cl:20])[CH:14]=1)[OH:12])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(N(CC)CC)C.[Cl:37][CH2:38][C:39](Cl)=[O:40]>C1COCC1>[CH2:1]([N:8]([CH2:9][CH:10]([CH2:21][O:22][Si:23]([C:26]([CH3:29])([CH3:28])[CH3:27])([CH3:25])[CH3:24])[CH:11]([C:13]1[CH:18]=[CH:17][C:16]([Cl:19])=[C:15]([Cl:20])[CH:14]=1)[OH:12])[C:39](=[O:40])[CH2:38][Cl:37])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1

Participants

Conditions

Temperature: 0 °C

Procedure

To a solution of (1RS,2RS)-3-(benzylamino)-2-({[tert-butyl(dimethyl)silyl]oxy}methyl)-1-(3,4-dichlorophenyl)propan-1-ol (2.98 g) and triethylamine (1.10 mL) in THF (30 mL) was added chloroacetyl chloride (0.526 mL) under ice-cooling, and the mixture was stirred at 0° C. for 4 hr. The reaction mixture was concentrated under reduced pressure, and the residue was diluted with ethyl acetate. The diluted solution was washed with distilled water and brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel chromatography (hexane/ethyl acetate) to give the title compound (2.95 g).

Workup

temperaturecooling
concentrationThe reaction mixture was concentrated under reduced pressure
additionthe residue was diluted with ethyl acetate
washThe diluted solution was washed with distilled water and brine
dry with materialdried over anhydrous magnesium sulfate
customThe solvent was evaporated under reduced pressure
customThe residue was purified by silica gel chromatography (hexane/ethyl acetate)

Sources & evidence

ORD record: ord-9c227806724f469799d848716a907172
Source dataset: uspto-grants-2014_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08722662B2

Reaction notes

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