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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 419993Generated: October 28, 2026

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

https://huagongshe.com/reaction/419993

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 (50 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, 1 H), 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 numberUS08093402B2
Source datasetuspto-grants-2012_01
ORD IDord-6214f5543d874bb78be07810d2261836
Source noteuspto-grants-2012_01