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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 31358Generated: October 23, 2026

Hydrochloric Acid → 2-Hydroxyimino-N-indan-5-yl-acetamide

https://huagongshe.com/en/reaction/31358

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantChloral HydrateHCID 2707—
ReactantSodium SulfateHCID 24436—
ReactantIndan-5-amineHCID 90496—
ReactantHydroxyamine hydrochlorideHCID 443297—
SolventWaterHCID 962—
Product2-Hydroxyimino-N-indan-5-yl-acetamideHCID 7228200560%

Reaction Steps

This compound is prepared according to the process described in Organic Syntheses, 1925, V, 71-74. A solution of 16.5 ml of concentrated HCl in 120 ml of water and a solution of 41.5 g of hydroxylamine hydrochloride in 70 ml of water are added to a mixture of 25 g of 5-aminoindane, 35 g of chloral hydrate and 22 g of Na2SO4 in 600 ml of water, and the mixture is then refluxed for 30 minutes. After cooling the reaction mixture to RT, it is extracted with EtOAc, the organic phase is dried over Na2SO4 and the solvent is evaporated off under vacuum. The residue is taken up in a pentane/iso ether mixture and the precipitate formed is spin-filtered off. 23 g of the expected product are obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07425566B2
Source datasetuspto-grants-2008_09
ORD IDord-2870f34e8b1c47c59fdc29725e9d888c
Source noteuspto-grants-2008_09