Triethylamine → HCID 69114931, compound

HRID 901861Notes

Reaction equation

[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([NH:20][CH2:21][C:22]3[CH:27]=[CH:26][C:25]([F:28])=[CH:24][CH:23]=3)[C:15]=2[CH2:29][NH2:30])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].CCN(CC)CC.Cl[C:39](Cl)([O:41]C(=O)OC(Cl)(Cl)Cl)Cl>C(Cl)Cl>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]3[C:15]=2[CH2:29][NH:30][C:39](=[O:41])[N:20]3[CH2:21][C:22]2[CH:27]=[CH:26][C:25]([F:28])=[CH:24][CH:23]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]

Participants

Conditions

Temperature: 0 °C

Procedure

A solution of 4-[2-aminomethyl-3-(4-fluoro-benzylamino)-phenyl]-piperazine-1-carboxylic acid tert-butyl ester (255 mg, 0.62 mmol) in CH2Cl2 (6 ml) was cooled to 0° C. and NEt3 (0.19) ml, 1.36 mmol) and triphosgen (64 mg, 0.22 mmol) were added. After stirring at 0° C. for half an hour, the reaction mixture was allowed to warm up to room temperature and was partitioned between water and ethyl acetate. The organic layer was washed with water and brine. After drying over MgSO4, the organic fraction was concentrated in vacuo and resulting brown residue was purified by flash chromatography to give 4-[1-(4-fluoro-benzyl)-2-oxo-1,2,3,4-tetrahydro-quinazolin-5-yl]-piperazine-1-carboxylic acid tert-butyl ester as a yellow solid. (179 mg, 66%).

Workup

temperatureto warm up to room temperature
customwas partitioned between water and ethyl acetate
washThe organic layer was washed with water and brine
dry with materialAfter drying over MgSO4
concentrationthe organic fraction was concentrated in vacuo
customresulting brown residue
customwas purified by flash chromatography

Sources & evidence

ORD record: ord-87498cb15f03482da7b9c1e49abe9205
Source dataset: uspto-grants-2008_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07365063B2

Reaction notes

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