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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 413643Generated: October 28, 2026

Ethanol hydrochloride → HCID 136051886, compound

https://huagongshe.com/reaction/413643

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanol hydrochlorideHCID 21887872—
ReactantSodium NitriteHCID 23668193—
ReactantHCID 54565707HCID 54565707—
ReactantHCID 135971980HCID 135971980—
SolventPyridineHCID 1049—
ProductHCID 136051886HCID 13605188664%

Reaction Steps

Compound 43b (143 mg, 0.57 mol), compound 51a (161 mg, 0.57 mmol), 0.1M aqueous sodium nitrite (5.6 ml), and pyridine (1.8 ml) in 15 ml of a 15% HCl/ethanol solution were reacted according to the procedure for compound 52a. The crude product was adsorbed onto silica gel and purified via flash chromatography with gradual elutions from 85/10/5 to 75/20/5 (Hex/EtOAc/dichloromethane). Evaporation of solvent yielded 199 mg (64%) of a metallic green solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06569504B1
Source datasetuspto-grants-2003_05
ORD IDord-8111b556a74449e89dcb555c6164a97e
Source noteuspto-grants-2003_05