1-Bromopropane → 2-Propylthio-5,6-dimethylbenzimidazole
Reaction equation
[SH:1][C:2]1[NH:3][C:4]2[CH:10]=[C:9]([CH3:11])[C:8]([CH3:12])=[CH:7][C:5]=2[N:6]=1.[CH2:13](Br)[CH2:14][CH3:15].[OH-].[Na+].C(OC(=O)C)C>CCCCCC>[CH2:13]([S:1][C:2]1[NH:6][C:5]2[CH:7]=[C:8]([CH3:12])[C:9]([CH3:11])=[CH:10][C:4]=2[N:3]=1)[CH2:14][CH3:15]Participants
6
Reactant 4
Product 1
Reagents, catalysts & solvents 1
Procedure
2-Propylthio-5,6-dimethylbenzimidazole (II) was prepared by the same procedure for I from 0,89 g (0,005 mol) 2-mercapto-5,6-dimethyl-benzimidazole, 0,8 g (0,006 mol) propylbromide in the presence 0,24 g (0,006 mol) sodium hydroxide in a yield of 0,72 g (60%), m.p. 122-123° C. (from mixture ethylacetate with hexane).
Sources & evidence
- ORD record
- ord-501560c16afc41feacfb60b093a2128b
- Source dataset
- uspto-grants-2002_04
- Patent number
- US06376666B1
Reaction notes
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