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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 715776Generated: October 31, 2026

4-Bromoaniline → 1-(imidazo[1,2-a]pyridin-6-ylmethyl)-3-[4-(1-propyl-1H-pyrazol-4-yl)phenyl]urea

https://huagongshe.com/reaction/715776

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromoanilineHCID 7807—
Reactant1-Isobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 2759392—
Reactant1-(4-Bromophenyl)-3-(imidazo[1,2-a]pyridin-6-ylmethyl)ureaHCID 86701949—
Product1-(imidazo[1,2-a]pyridin-6-ylmethyl)-3-[4-(1-propyl-1H-pyrazol-4-yl)phenyl]ureaHCID 72699527—

Reaction Steps

The title compound was prepared as described in Example 51A, substituting 1-propyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole for 1-isobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole and 1-(4-bromophenyl)-3-(imidazo[1,2-a]pyridin-6-ylmethyl)urea for 4-bromoaniline. 1H NMR (300 MHz, DMSO-d6) δ ppm 8.59 (s, 1H), 8.44 (s, 1H), 8.04 (s, 1H), 7.95 (s, 1H), 7.76 (s, 1H), 7.57-7.50 (m, 2H), 7.48-7.32 (m, 4H), 7.21 (dd, J=9.2, 1.7 Hz, 1H), 6.65 (t, J=5.9 Hz, 1H), 4.30 (d, J=5.8 Hz, 2H), 4.04 (t, J=6.9 Hz, 2H), 1.87-1.73 (m, 2H), 0.84 (t, J=7.3 Hz, 3H); MS (ESI(+)) m/e 375 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09187472B2
Source datasetuspto-grants-2015_11
ORD IDord-6a3a7985bd8f42509624294507614892
Source noteuspto-grants-2015_11