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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1432999Generated: November 1, 2026

6-Chlorobenzo[b]thiophene-2-sulfonyl chloride → HCID 53884463, compound

https://huagongshe.com/reaction/1432999

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-Chlorobenzo[b]thiophene-2-sulfonyl chlorideHCID 15158641—
Reactant1-[2-(Pyridazin-4-ylamino)-ethyl]-piperazin-2-one hydrochlorideHCID 69026185—
ProductHCID 53884463HCID 5388446350%

Reaction Steps

1-[2-(Pyridazin-4-ylamino)-ethyl]-piperazin-2-one hydrochloride (0.5 g, 1.7 mmol), EXAMPLE 95, is reacted with 6-chloro-benzo[b]thiophene-2-sulfonyl chloride (0.40 g, 1.5 mmol), EXAMPLE 1, using essentially the same procedure as described in EXAMPLE 719. Reverse phase HPLC purification gives the title compound (0.34 g, 0.75 mmol) as a white solid. MS m/z (M+H=452); 1H NMR (CD3OD, 300 MHz) δ8.6 (d, 1H), 8.4 (d, 1H), 8.05 (s, 1H), 8.05 (s, 1H), 7.9 (d, 1H), 7.5 (d, 1H), 7.2 (d, 1H), 3.8 (s, 2H), 3.4-3.7 (m, 8H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07612075B2
Source datasetuspto-grants-2009_11
ORD IDord-5f66cb21df6d4b5b84d4f28ed61387b6
Source noteuspto-grants-2009_11