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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1875202Generated: October 31, 2026

Water → HCID 68722215, compound

https://huagongshe.com/reaction/1875202

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium DithioniteHCID 24489—
ReactantHCID 68480655HCID 68480655—
SolventTetrahydrofuranHCID 8028—
SolventEthyl AcetateHCID 8857—
ProductHCID 68722215HCID 6872221590.3%

Reaction Conditions

Temperature60 °C

Reaction Steps

To a solution of 4-chloro-N-({4-chloro-3-[(5-cyano-4-fluoro-2-nitrophenyl)oxy]-2-fluorophenyl}methyl)-1-({[2-(trimethylsilyl)ethyl]oxy}methyl)-1H-imidazole-5-carboxamide (450 mg, 0.752 mmol) in THF (3 ml) was added sodium hydrosulfite (85% tech.) (924 mg, 4.51 mmol) in solution of Water (6.00 ml) and the reaction mixture was stirred at 60° C. for one hour. The reaction mixture was diluted with EtOAc and washed with water. The solvent was removed and the crude material was purified via silica gel chromatography to give N-({3-[(2-amino-5-cyano-4-fluorophenyl)oxy]-4-chloro-2-fluorophenyl}methyl)-4-chloro-1-({[2-(trimethylsilyl)ethyl]oxy}methyl)-1H-imidazole-5-carboxamide (386 mg, 0.679 mmol, 90% yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.76 (t, 1H), 7.98 (s, 1H), 7.39-7.49 (m, 1H), 7.34 (t, 1H), 6.70 (s, 2H), 6.56-6.68 (m, 2H), 5.49 (s, 2H), 4.47 (d, 2H), 3.39 (t, 2H), 0.75 (t, 2H), −0.08 (s, 9H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08304419B2
Source datasetuspto-grants-2012_11
ORD IDord-511ef2e4cab8415c9217ecb0cb63d014
Source noteuspto-grants-2012_11