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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 603150Generated: October 31, 2026

Triethylamine → 2-(7-Chloro-1h-benzimidazol-1-yl)-n-[4-(1-cyano-1-methylethyl)-3-fluorobenzyl]acetamide

https://huagongshe.com/reaction/603150

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant(7-Chloro-1H-benzimidazol-1-yl)acetic acidHCID 11206606—
Reactant2-[4-(Aminomethyl)-2-fluorophenyl]-2-methylpropanenitrile hydrochlorideHCID 66649367—
SolventDimethylformamideHCID 6228—
Product2-(7-Chloro-1h-benzimidazol-1-yl)-n-[4-(1-cyano-1-methylethyl)-3-fluorobenzyl]acetamideHCID 59804257—

Reaction Steps

2-(7-Chloro-1H-benzimidazol-1-yl)-N-[4-(1-cyano-1-methylethyl)-3-fluorobenzyl]acetamide is synthesized according to example 14 with (7-chloro-1H-benzimidazol-1-yl)acetic acid (150 mg, 0.712 mmol) prepared according to scheme 1, and 2-[4-(aminomethyl)-2-fluorophenyl]-2-methylpropanenitrile hydrochloride (196 mg, 0.855 mmol) prepared according to scheme 8, Et3N (238 μL, 1.71 mmol) and HATU (325 mg, 0.855 mmol) in DMF (3.0 mL). The product is purified by HPLC: Gilson prep pumps, Flow rate: 30 ml/min, Column: Gemini (5%) 21.2×50 mm, Mobile phase: A=water (0.075% TFA) B=MeCN (0.075% TFA). Yield=14 mg as TFA salt, 0.035 mmol, 5%); 1H NMR (400 MHz, DMSO-D6) δ ppm 1.67 (s, 6H), 4.30 (d, J=5.86 Hz, 2H), 5.24 (s, 2H), 7.10-7.22 (m, 3H), 7.23-7.28 (m, 1H), 7.38 (t, J=8.40 Hz, 1H), 7.62 (d, J=7.81 Hz, 1H), 8.31 (s, 1H), 8.81 (s, 1H). MS [M+H], calcd: 385.1, found: 385.0.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07906654B2
Source datasetuspto-grants-2011_03
ORD IDord-8463f55c667a444e9157e235cc0e87ea
Source noteuspto-grants-2011_03