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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1887990Generated: November 1, 2026

Water → HCID 58344991, compound

https://huagongshe.com/reaction/1887990

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantDiisopropylethylamineHCID 81531—
Reactant1-Tert-butyl-4-isocyanatobenzeneHCID 2735695—
ReactantHCID 60155179HCID 60155179—
SolventDichloromethaneHCID 6344—
ProductHCID 58344991HCID 5834499115%

Reaction Steps

3-(3-(4-(aminomethyl)phenyl)-3H-imidazo[4,5-b]pyridin-2-yl)pyridin-2-amine HCl salt (63 mg, 0.2 mmol) was suspended in dichloromethane (2 mL). Diisopropylethylamine (0.07 mL, 0.4 mmol) was added. After everything went into solution 1-tert-butyl-4-isocyanatobenzene (32 mg, 0.2 mmol) were added. After 20 min water (10 mL) was added and diluted with dichloromethane (10 mL). The organic phase was separated and dried over Na2SO4. After filtration the solvent was removed under reduced pressure and it was purified by silica gel chromatography (0-20% methanol in dichloromethane) to yield the desired product (14 mg, 15% yield). Mp. 210-212° C.; 400 M Hz 1H NMR (CD3OD) δ: 8.32 (dd, J=0.8 Hz and 2.4 Hz, 1H), 8.19 (dd, J=0.6 Hz and 3.8 Hz, 1H), 7.98-7.94 (m, 1H), 7.55-7.49 (m, 2H), 7.45-7.37 (m, 3H), 7.35-7.24 (m, 5H), 6.48-6.23 (m, 1H), 4.48 (s, 2H), 1.29 (s, 9H); LCMS [M+H]: 492.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08501770B2
Source datasetuspto-grants-2013_08
ORD IDord-45140bfb2cf747a0b5555dfdd34de08c
Source noteuspto-grants-2013_08