Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 456079Generated: October 30, 2026

Thiosemicarbazide Hydrochloride → [(E)-1-[3-[(7-fluoroquinolin-6-yl)methyl]imidazo[1,2-b]pyridazin-6-yl]ethylideneamino]thiourea

https://huagongshe.com/reaction/456079

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThiosemicarbazide HydrochlorideHCID 3037943—
Reactant1-[3-(7-Fluoro-quinolin-6-ylmethyl)-imidazo[1,2-b]pyridazin-6-yl]ethanoneHCID 58190599—
Product[(E)-1-[3-[(7-fluoroquinolin-6-yl)methyl]imidazo[1,2-b]pyridazin-6-yl]ethylideneamino]thioureaHCID 7169988060%

Reaction Steps

The title compound was prepared from hydrazine carbothioamide hydrochloride and 1-[3-(7-fluoro-quinolin-6-ylmethyl)-imidazo[1,2-b]pyridazin-6-yl]-ethanone in analogy to the synthesis of example 1 in 60% yield as a white solid. 1H-NMR (400 MHz, DMSO-d6) δ ppm 10.53 (s, 1H), 8.88 (dd, 1H), 8.53 (s, 1H), 8.47 (d, 1H), 8.34 (m, 2H), 8.10 (d, 1H), 7.99 (d, 1H), 7.85 (s, 1H), 7.79 (d, 1H), 7.50 (q, 1H), 4.59 (s, 2H), 2.34 (s, 3H). LCMS (method A): [MH]+=394, tR=4.91 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08497368B2
Source datasetuspto-grants-2013_07
ORD IDord-af031e3578b3434988fad89e715a45f4
Source noteuspto-grants-2013_07