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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1914138Generated: November 2, 2026

2-Acetoxybenzoyl chloride → 2-({4-[3-(7-Methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]piperidin-1-yl}carbonyl)phenyl acetate

https://huagongshe.com/reaction/1914138

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Acetoxybenzoyl chlorideHCID 79668—
Reactant5-(7-methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one hydrochlorideHCID 66616590—
Product2-({4-[3-(7-Methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]piperidin-1-yl}carbonyl)phenyl acetateHCID 46206956—

Reaction Steps

The title compound is prepared analogously as described for GP1 using 5-(7-methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one hydrochloride (compound B5*HCl) and 2-(chlorocarbonyl)phenyl acetate as starting compounds. The crude product is purified by crystallization from EA and diethyl ether to yield the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08609848B2
Source datasetuspto-grants-2013_12
ORD IDord-76eeace2ae9d43e6805779d9d2093767
Source noteuspto-grants-2013_12