2-Chlorobenzenesulfonyl chloride → 2-{1-[(2-Chlorophenyl)sulfonyl]piperidin-4-yl}-5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Beteiligte Stoffe

Rolle	Name	HCID	Einwaage
Edukt	2-Chlorobenzenesulfonyl chloride	HCID 76187	—
Edukt	5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride	HCID 66616406	—
Produkt	2-{1-[(2-Chlorophenyl)sulfonyl]piperidin-4-yl}-5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one	HCID 46203367	—

Reaktionsschritte

The title compound is prepared analogously as described for GP1 using 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one hydrochloride (compound B1*HCl) and 2-chlorobenzenesulfonyl chloride as starting compounds. The crude product is purified by crystallization from methanol to yield the title compound.

Herkunft & Nachweise

DOI	10.6084/m9.figshare.5104873.v1
Patentnummer	US09340522B2
Quelldatensatz	uspto-grants-2016_05
ORD ID	ord-3ed3c20e27074796b819a84915dc077e
Quellennotiz	uspto-grants-2016_05