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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1914136Generated: October 30, 2026

2-Methoxybenzoyl chloride → 5-(7-Methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-2-{1-[(2-methoxyphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

https://huagongshe.com/reaction/1914136

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Methoxybenzoyl chlorideHCID 88969—
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—
Product5-(7-Methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-2-{1-[(2-methoxyphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-oneHCID 46206628—

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-methoxybenzoyl chloride 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-673c7e9f74294d3090591b2f75b5a515
Source noteuspto-grants-2013_12