Cyanamide → 2-(4-{[3-Chloro-5-(trifluoromethyl)phenyl]oxy}phenyl)ethyl imidocarbamate

HRID 474679Notes

Reaction equation

[Cl:1][C:2]1[CH:3]=[C:4]([O:12][C:13]2[CH:18]=[CH:17][C:16]([CH2:19][CH2:20][OH:21])=[CH:15][CH:14]=2)[CH:5]=[C:6]([C:8]([F:11])([F:10])[F:9])[CH:7]=1.[N:22]#[C:23][NH2:24].OS(C(F)(F)F)(=O)=O>C1COCC1>[C:23](=[NH:22])([O:21][CH2:20][CH2:19][C:16]1[CH:17]=[CH:18][C:13]([O:12][C:4]2[CH:5]=[C:6]([C:8]([F:11])([F:10])[F:9])[CH:7]=[C:2]([Cl:1])[CH:3]=2)=[CH:14][CH:15]=1)[NH2:24]

Participants

Conditions

Temperature: 55 °C

Procedure

To a solution of 2-(4-{[3-chloro-5-(trifluoromethyl)phenyl]oxy}phenyl)ethanol (2 g, 6.32 mmol) and cyanamide (0.4 g, 9.51 mmol) in dry THF (20 mL) under nitrogen was added triflic acid (0.8 mL, 9.01 mmol). The mixture was heated at 55° C. for 4 h. Purification via reverse phase flash chromatography afforded the title compound (2.1 g, 4.45 mmol, 70.5% yield) as a brown oil. LCMS: rt=2.95 min, [M+H+]=359

Workup

customPurification via reverse phase flash chromatography

Sources & evidence

ORD record: ord-834e54156d804809b0089c646b1135e1
Source dataset: uspto-grants-2014_01
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08637536B2

Reaction notes

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