2-Chlorobenzyl chloride → 8-[3-(2-Chlorobenzyl)-2-oxo-benzimidazolin-1-yl]-caprylic acid methyl ester
Reaction equation
[H-].[Na+].[CH3:3][O:4][C:5](=[O:23])[CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][N:13]1[C:17]2[CH:18]=[CH:19][CH:20]=[CH:21][C:16]=2[NH:15][C:14]1=[O:22].[Cl:24][C:25]1[CH:32]=[CH:31][CH:30]=[CH:29][C:26]=1[CH2:27]Cl>CN(C=O)C>[CH3:3][O:4][C:5](=[O:23])[CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][N:13]1[C:17]2[CH:18]=[CH:19][CH:20]=[CH:21][C:16]=2[N:15]([CH2:27][C:26]2[CH:29]=[CH:30][CH:31]=[CH:32][C:25]=2[Cl:24])[C:14]1=[O:22]Participants
5
Procedure
The product is produced as described in example 1 from 0.72 g. of NaH (80% suspension in mineral oil), 7 g. of 8-(2-oxobenzimidazolin-1-yl)-caprylic acid methyl ester, 100 cc. of DMF, 3.9 g. of 2-chlorobenzylchloride and 0.72 g. of NaJ. Eluant of chromatographic purification: hexane/ethylacetate.
Workup
- customThe product is produced
- customEluant of chromatographic purification
Sources & evidence
- ORD record
- ord-c465750989714257a4b49b795dd72db4
- Source dataset
- uspto-grants-1983_03
- Patent number
- US04377695
Reaction notes
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