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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1479698Generated: October 31, 2026

Nitric Acid → HCID 5324398, compound

https://huagongshe.com/reaction/1479698

Reaction equation

Participants

RoleNameHCIDCharge
ReactantNitric AcidHCID 944—
ReactantWaterHCID 962—
ReactantSulfuric AcidHCID 1118—
ReactantDaidzeinHCID 5281708—
SolventEthanolHCID 702—
ProductHCID 5324398HCID 5324398—

Reaction Steps

20 ml of a mixture of concentrated sulfuric acid and nitric acid (3:1) are added dropwise to a solution of 1 g of daidzein in 200 ml of dry ethanol at room temperature while stirring vigorously. The mixture is stirred for another 2 hours, and 400 ml of water are then added. The compound precipitates, is filtered off with suction and washed with water until neutral. The yellow product is recrystallized from alcohol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09409859B2
Source datasetuspto-grants-2016_08
ORD IDord-0d98c916f9634535a4978387a63ea6e0
Source noteuspto-grants-2016_08