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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1042596Generated: November 1, 2026

Imidazole → HCID 11647526, compound

https://huagongshe.com/reaction/1042596

Reaction equation

Participants

RoleNameHCIDCharge
ReactantImidazoleHCID 795—
ReactantPyrazoleHCID 1048—
ReactantPyridineHCID 1049—
ReactantHCID 11510103HCID 11510103—
SolventTolueneHCID 1140—
SolventTetrahydrofuranHCID 8028—
SolventTriethylamineHCID 8471—
ProductHCID 11647526HCID 11647526—

Reaction Steps

This material was prepared according to the procedure outlined above for 2-(N-imidazolyl)-7-hydroxy-3-(3,4,5-trimethoxybenzoyl)-6-methoxy-benzo[b]furan (entry 27, Table 1), above, except pyridine was used as the solvent in place of toluene, THF and triethylamine and pyrazole was used as the nucleophile in place of imidazole. 1H NMR (300 MHz, CDCl3) δ 7.82 (d, 1H, J=2.55 Hz), 7.65 (d, 1H, J=1.51 Hz), 7.18 (d, 1H, J=8.57 Hz), 7.01 (s, 2H, benzoyl Hs), 6.96 (d, 1H, J=8.61 Hz), 6.30 (t, 1H, J=1.88 Hz), 3.96 (s, 3H, OMe), 3.86 (s, 3H, OMe), 3.75 (s, 6H, 2×OMe).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08557982B2
Source datasetuspto-grants-2013_10
ORD IDord-44f2ef16e595462dafe931dac0868256
Source noteuspto-grants-2013_10