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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 715768Generated: October 26, 2026

4-Bromoaniline → N-(imidazo[1,2-a]pyridin-7-ylmethyl)-5-[3-(propan-2-yloxy)phenyl]thiophene-2-carboxamide

https://huagongshe.com/reaction/715768

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromoanilineHCID 7807—
Reactant1-Isobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 2759392—
Reactant5-bromo-N-(imidazo[1,2-a]pyridin-7-ylmethyl)thiophene-2-carboxamideHCID 86701935—
ProductN-(imidazo[1,2-a]pyridin-7-ylmethyl)-5-[3-(propan-2-yloxy)phenyl]thiophene-2-carboxamideHCID 86701941—

Reaction Steps

The title compound was prepared as described in Example 51A, substituting 2-(3-isopropoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane for 1-isobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole and 5-bromo-N-(imidazo[1,2-a]pyridin-7-ylmethyl)thiophene-2-carboxamide for 4-bromoaniline. 1H NMR (300 MHz, DMSO-d6) δ ppm 9.04 (t, J=6.0 Hz, 1H), 8.49 (dd, J=7.0, 0.8 Hz, 1H), 8.19 (d, J=0.4 Hz, 1H), 7.89 (d, J=0.8 Hz, 1H), 7.86 (d, J=0.5 Hz, 1H), 7.75 (d, J=3.9 Hz, 1H), 7.52 (d, J=1.2 Hz, 1H), 7.40 (s, 1H), 7.24 (d, J=3.9 Hz, 1H), 6.85 (dd, J=7.0, 1.7 Hz, 1H), 4.48 (d, J=5.8 Hz, 2H), 4.13 (d, J=6.6 Hz, 2H), 3.09-2.83 (m, 4H), 2.47-2.40 (m, 1H), 2.14-1.96 (m, 1H), 1.88-1.69 (m, 1H), 1.69-1.54 (m, 1H), 1.37-1.14 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09187472B2
Source datasetuspto-grants-2015_11
ORD IDord-6720e22bdb65410d9ff0191cd02510f4
Source noteuspto-grants-2015_11