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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1096932Generated: October 31, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → HCID 57930951, compound

https://huagongshe.com/reaction/1096932

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantGlycinamide hydrochlorideHCID 2723639—
Reactant1'-(tert-Butoxycarbonyl)-4-oxo-3,4-dihydrospiro[1-benzopyran-2,4'-piperidine]-6-carboxylic acidHCID 50999192—
SolventDimethylformamideHCID 6228—
ProductHCID 57930951HCID 57930951—

Reaction Steps

Tert-butyl 6-carboxy-4-oxospiro[chroman-2,4′-piperidine]-1′-carboxylate (7.50 g, 20.8 mmol), glycinamide hydrochloride (2.76 g, 24.9 mmol), EDCI (4.78 g, 24.9 mmol), HOBT (3.78 g, 24.9 mmol), and TEA (5.80 ml, 41.6 mmol) were suspended in DMF (75 ml) and stirred at room temperature for 23 h. After removal of the solvent, the residue was diluted with EtOAc and H2O.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08138197B2
Source datasetuspto-grants-2012_03
ORD IDord-2637848c24c34638a40f8f7add323237
Source noteuspto-grants-2012_03