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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1914166Generated: October 25, 2026

1-methyl-1H-indole-4-sulfonyl chloride → 5-(7-Methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-2-{1-[(1-methyl-1H-indol-4-yl)sulfonyl]piperidin-4-yl}-2,4-dihydro-3H-pyrazol-3-one

https://huagongshe.com/reaction/1914166

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-methyl-1H-indole-4-sulfonyl chlorideHCID 18525782—
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)-4,4-dimethyl-2-{1-[(1-methyl-1H-indol-4-yl)sulfonyl]piperidin-4-yl}-2,4-dihydro-3H-pyrazol-3-oneHCID 67365062—

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 1-methyl-1H-indole-4-sulfonyl chloride as starting compounds. The crude product is purified by crystallization from methanol to yield the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08609848B2
Source datasetuspto-grants-2013_12
ORD IDord-935cc6dcb19f4b2db438f65ffd824d18
Source noteuspto-grants-2013_12