Adding a certain compound to certain chemical reactions, such as: 3752-24-7, name is 4,5,6,7-Tetrahydro-1H-benzo[d]imidazole, belongs to imidazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 3752-24-7, name: 4,5,6,7-Tetrahydro-1H-benzo[d]imidazole
A mixture of 4,5,6,7-tetrahydro-1H-benzo[d]imidazole (5.00 g, 40.9 mmol), 90% KOH (3.74 g, 60 mmol) and DMSO (70 mL) was stirred under argon and heated at 40 C for 2 h. After cooling to 10 C, 1-bromohexane (6.3 mL, 45 mmol) was addedin one portion, and the resulting mixture was stirred and heated at 40 C for 4 days.The reaction mixture was poured into ice/water (600 mL), treated with 5 N NaOH(100 mL) and extracted with DCM (2 x 400 mL). The extract was washed with water(300 mL), dried over Na2SO4, and the solvent was removed under reduced pressureto give a residue. Column chromatography of the residue (silica gel, ethylacetate/methanol, 97:3) afforded pure 1-hexyl-4,5,6,7-tetrahydro-1H-benzo[d]imidazole (6.54 g, 77% yield).
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Reference:
Patent; NITTO DENKO CORPORATION; STANISLAW, Rachwal; HU, Yufen; ZHANG, Hongxi; WANG, Peng; (42 pag.)WO2018/191238; (2018); A1;,
Imidazole – Wikipedia,
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