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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1898481Generated: October 31, 2026

4-Cyclopropylaniline → N-(4-Cyclopropylphenyl)-2-((3,5-dichloropyridin-4-yl)amino)-1,7,7-trimethyl-7,8-dihydro-1H-benzofuro[4,5-d]imidazole-5-carboxamide

https://huagongshe.com/reaction/1898481

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-CyclopropylanilineHCID 12253927—
ReactantTrimethylaluminumHCID 16682925—
ReactantMethyl 2-((3,5-dichloropyridin-4-yl)amino)-1,7,7-trimethyl-7,8-dihydro-1H-benzofuro[4,5-d]imidazole-5-carboxylateHCID 67502200—
SolventTolueneHCID 1140—
ProductN-(4-Cyclopropylphenyl)-2-((3,5-dichloropyridin-4-yl)amino)-1,7,7-trimethyl-7,8-dihydro-1H-benzofuro[4,5-d]imidazole-5-carboxamideHCID 5696848835.2%

Reaction Steps

The title compound was prepared following the procedure described for Example-143 by using methyl 2-((3,5-dichloropyridin-4-yl)amino)-1,7,7-trimethyl-7,8-dihydro-1H-benzofuro[4,5-d]imidazole-5-carboxylate (Intermediate-60, 0.100 g, 0.245 mmol), 4-cyclopropylaniline (Intermediate-50, 0.047 g, 0.356 mmol), trimethyl aluminium (2M solution in toluene) (0.5 mL), dry toluene (5.0 mL) to afford 0.045 g of the desired product. 1HNMR (DMSO-d6): δ 0.63 (m, 2H), 0.91 (d, J=6.6 Hz, 2H), 1.60 (s, 6H), 1.89 (m, 1H), 3.48 (s, 2H), 3.59 (s, 3H), 7.05 (d, J=7.8 Hz, 2H), 7.26 (s, 1H), 7.54 (d, J=8.1 Hz, 2H), 8.46 (s, 2H), 9.61 (br s, 1H), 10.88 (br s, 1H); MS [M−H]−: 520.06.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08519149B2
Source datasetuspto-grants-2013_08
ORD IDord-4e44db6b55154cdc88fd4000883e2b8c
Source noteuspto-grants-2013_08