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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2048558Generated: October 30, 2026

Ethyl Acetate → HCID 67008667, compound

https://huagongshe.com/reaction/2048558

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
Reactant1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
ReactantMethyl 2-[(2'-cyanobiphenyl-4-yl)methyl]-3-oxoheptanoateHCID 10807723—
ReactantN-(1,4-dioxaspiro[4.5]dec-8-yl)-1H-pyrazol-5-amineHCID 67009993—
SolventWaterHCID 962—
SolventN,N-DiethylanilineHCID 7061—
ProductHCID 67008667HCID 6700866769.9%

Reaction Steps

A solution of N-(1,4-dioxaspiro[4.5]dec-8-yl)-1H-pyrazol-5-amine (2.2 g), 1,8-diazabicyclo[5.4.0]undec-7-ene (0.30 mL) and methyl 2-[(2′-cyanobiphenyl-4-yl)methyl]-3-oxoheptanoate (7.0 g) in diethylaniline (10 mL) was stirred at 180° C. for 2 hr. The mixture was allowed to cool, ethyl acetate and water were added, and the mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated. The residue was purified by silica gel column chromatography to give the title compound as a pale-yellow amorphous solid (3.6 g, 69%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08592431B2
Source datasetuspto-grants-2013_11
ORD IDord-dcf2e5a7e0884e8593eb0d961cbb16be
Source noteuspto-grants-2013_11