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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1044346Generated: October 31, 2026

Dichloromethane → HCID 178524483, compound

https://huagongshe.com/reaction/1044346

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantDiisopropylethylamineHCID 81531—
Reactant4-Nitrophenyl chloroformateHCID 82129—
ReactantHCID 178479652HCID 178479652—
ProductHCID 178524483HCID 17852448328.7%

Reaction Steps

A mixture of 2-(trans-4-hydroxycyclohexyl)-2,7-diazaspiro[4.5]decan-1-one hydrochloride (0.30 g, 0.0010 mol), p-nitrophenyl chloroformate (0.25 g, 0.0012 mol), and N,N-diisopropylethylamine (540 μL, 0.0031 mol) in methylene chloride (4 mL, 0.06 mol) was stirred at rt for 16 h. The crude reaction mixture was purified by flash column chromatography to afford 120 mg of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08563570B2
Source datasetuspto-grants-2013_10
ORD IDord-79f6f714f3d6489a976172a6f82f6706
Source noteuspto-grants-2013_10