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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1926210Generated: November 1, 2026

Hydroxylamine → HCID 75045531, compound

https://huagongshe.com/reaction/1926210

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydroxylamineHCID 787—
ReactantTriethylamineHCID 8471—
ReactantEthyl chloroformateHCID 10928—
ReactantHCID 67521220HCID 67521220—
SolventDimethylformamideHCID 6228—
SolventSodium chloride; waterHCID 57417360—
ProductHCID 75045531HCID 7504553138%

Reaction Conditions

Temperature0 °C

Reaction Steps

6-(2-(5H-dibenzocyclohepten-5-ylidene)acetamido)hexanoic acid (361 mg, 1 mmol), triethylamine (151 mg, 1.5 mmol) and 20 ml of DMF were stirred at 0° C. while ethyl chloroformate (163 mg, 1.5 mmol) was added. The mixture was stirred at 0° C. for 2 hours, and then 50% aqueous solution of hydroxylamine (1.32 g, 20 mmol) was added. The mixture was stirred for 3 hours at room temperature, and then diluted with 1000 mL of brine. The solids were collected by vacuum filtration, washed with water and dried under vacuum to give the title compound (143 mg, 38%) as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178577B2
Source datasetuspto-grants-2012_05
ORD IDord-07312cf56fb548b3940a82e1b77e3e78
Source noteuspto-grants-2012_05