HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1909034Generated: October 31, 2026
2-Methylbenzimidazole → HCID 49785640, compound
https://huagongshe.com/reaction/1909034
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 2-Methylbenzimidazole | HCID 11984 | — |
| Reactant | trans-N,N'-dimethyl-1,2-cyclohexanediamine | HCID 2733821 | — |
| Reactant | HCID 86664349 | HCID 86664349 | — |
| Catalyst | Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI) | HCID 24350 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Solvent | Sodium chloride; water | HCID 57417360 | — |
| Product | HCID 49785640 | HCID 49785640 | 14.1% |
Reaction Steps
A mixture of (2-bromo-pyridin-4-yl)-[6-(4-dimethylamino-piperidin-1-yl)-1H-benzoimidazol-2-yl]-methanone (0.46 mmol, 1.0 mol eq.) [Example 102 (Method 1, Step 3)], 2-methyl benzimidazole (0.56 mmol, 1.2 mol eq), CuI (0.047 mmol, 0.5 mol eq.), (1R,2R)—N,N′-dimethyl-cyclohexane-1,2-diamine (0.093 mmol, 0.2 mol eq.) in 2 mL of DMF was heated at 130° C. for 48 h under nitrogen. The reaction was diluted with 50 mL EtOAc and 50 mL brine. The organic layer was separated and dried over Na2SO4, filtered and evaporated to dryness. HPLC purification gave the title compound (31 mg, 14%). HRMS m/z 480.2502 (M+H)+. 1H NMR (400 MHz, DMSO-d6): 8.96 (1H, d), 8.65 (1H, s), 8.30 (1H, d), 7.74-7.63 (3H, m), 7.31-7.29 (2H, m), 7.17 (1H, d), 6.93 (1H, s), 4.16 (1H, bs), 3.77-3.74 (2H, m), 2.80-2.71 (2H, m), 2.70 (3H, s), 2.20 (6H, s), 1.89-1.85 (2H, m), 1.57-1.48 (2H, m).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08598217B2 |
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| Source dataset | uspto-grants-2013_12 |
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| ORD ID | ord-66d01852ce5541aab92c7c7a6cd323dc |
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| Source note | uspto-grants-2013_12 |
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