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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1992146Generated: October 25, 2026

Methylamine → 2-(4-fluorophenyl)-2-(4-(3-fluorophenyl)-4-{2-[(1R,5S)-3-(2-methyl-1H-benzimidazol-1-yl)-8-azabicyclo[3.2.1]oct-8-yl]ethyl}piperidin-1-yl)-N-methylacetamide

https://huagongshe.com/reaction/1992146

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
Reactant4-Fluorophenylboronic acidHCID 285645—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant(4-Fluorophenyl)(4-(3-fluorophenyl)-4-{2-[(1R,5S)-3-(2-methyl-1H-benzimidazol-1-yl)-8-azabicyclo[3.2.1]oct-8-yl]ethyl}piperidin-1-yl)acetic acidHCID 44573338—
Reactant1-((1R,5S)-8-{2-[4-(3-fluorophenyl)piperidin-4-yl]ethyl}-8-azabicyclo[3.2.1]oct-3-yl)-2-methyl-1H-benzimidazoleHCID 58728815—
Product2-(4-fluorophenyl)-2-(4-(3-fluorophenyl)-4-{2-[(1R,5S)-3-(2-methyl-1H-benzimidazol-1-yl)-8-azabicyclo[3.2.1]oct-8-yl]ethyl}piperidin-1-yl)-N-methylacetamideHCID 10326415—

Reaction Steps

(4-Fluorophenyl)(4-(3-fluorophenyl)-4-{2-[(1R,5S)-3-(2-methyl-1H-benzimidazol-1-yl)-8-azabicyclo[3.2.1]oct-8-yl]ethyl}piperidin-1-yl)acetic acid (prepared from 1-((1R,5S)-8-{2-[4-(3-fluorophenyl)piperidin-4-yl]ethyl}-8-azabicyclo[3.2.1]oct-3-yl)-2-methyl-1H-benzimidazole and 4-fluorophenylboronic acid following the procedure outlined in example 412. (19 mg, 0.032 mmol) was coupled with methylamine (16 μL, 2M in THF) under promotion of HATU (12 mg, 0.032 mmol) The title compound was obtained as solid (12 mg, 60%) after purification by flash chromatography, eluting with a gradient of 0-10% methanol in ethyl acetate. 1H NMR (400 MHz, CDCl3) δ 7.66 (d, J=7.1 Hz, 1H), 7.32-7.24 (m, 4H), 7.19-7.12 (m, 2H), 7.03-6.89 (m, 6H), 4.59 (br, 1H), 3.75 (s, 1H), 3.22 (br, 2H), 2.84 (d, J=4.9 Hz, 3H), 2.55 (s, 3H), 2.52-2.47 (m, 1H), 2.40-2.09 (m, 6H), 1.93-1.87 (m, 7H), 1.78-1.61 (m, 6H). HRMS m/z (M+H)+ calcd 612.3514, obsd 612.3530.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07645771B2
Source datasetuspto-grants-2010_01
ORD IDord-84e501dec7114380bc2b1d09c782b848
Source noteuspto-grants-2010_01