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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 633547Generated: October 30, 2026

Hydrochloric Acid → HCID 89656451, compound

https://huagongshe.com/reaction/633547

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantPotassium IodideHCID 4875—
ReactantSodium NitriteHCID 23668193—
ReactantHCID 89656036HCID 89656036—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 89656451HCID 8965645158.5%

Reaction Steps

A solution of the product from Example 51B (2.8 g, 9.32 mmol) in dioxane (20.0 mL) at 0° C. was treated with concentrated hydrogen chloride (40 mL, 9.32 mmol), stirred for 15 minutes and treated with a solution of sodium nitrite (0.772 g, 11.19 mmol) in water (10 mL). The mixture was stirred for 1 hour at 0° C., treated with a solution of potassium iodide (3.10 g, 18.65 mmol) in water (10 mL) and stirred for 1 hour at ambient temperature. The mixture was partitioned between ethyl acetate and water. The organic layer was washed with saturated sodium thiosulfate, water, saturated aqueous sodium chloride, dried (MgSO4), filtered, and concentrated. Purification by chromatography (silica gel, 0-60% ethyl acetate in hexane) afforded the title compound (2.24 g, 58%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09321764B2
Source datasetuspto-grants-2016_04
ORD IDord-58f4df414ecd477aa5253566397afafa
Source noteuspto-grants-2016_04