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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1032017Generated: October 29, 2026

Sulfuric Acid → HCID 14422913, compound

https://huagongshe.com/reaction/1032017

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
Reactant7-Carbamoylmethyl-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acidHCID 14422912—
ReactantSodium NitriteHCID 23668193—
ProductHCID 14422913HCID 14422913—

Reaction Steps

3.0 g of the compound from Example 10 are warmed to 90°-100° C. in 17 ml of 30% strength sulphuric acid. At this temperature, 6 ml of 2.5 molar sodium nitrite solution are added dropwise. The mixture is stirred for one hour more at 100° and then cooled. The precipitated solid is isolated, washed and dried.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04956465
Source datasetuspto-grants-1990_09
ORD IDord-2efa60f6623641e884e7eb6e71cec217
Source noteuspto-grants-1990_09