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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 456071Generated: October 27, 2026

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

https://huagongshe.com/reaction/456071

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Amino-1-methylureaHCID 256004—
Reactant1-[3-(7-Fluoro-quinolin-6-ylmethyl)-imidazo[1,2-b]pyridazin-6-yl]ethanoneHCID 58190599—
Product1-[(E)-1-[3-[(7-fluoroquinolin-6-yl)methyl]imidazo[1,2-b]pyridazin-6-yl]ethylideneamino]-1-methylureaHCID 7169987221%

Reaction Steps

The title compound was prepared from 1-methylhydrazine carboxamide 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 21% yield. 1H-NMR (400 MHz, DMSO-d6) δ ppm 8.86 (dd, 1H), 8.31 (d, 1H), 8.05 (s, 2H), 7.97 (d, 1H), 7.77 (d, 1H), 7.72 (s, 1H), 7.47 (q, 1H), 6.54 (s, 2H), 4.58 (s, 2H), 3.19 (s, 3H), 2.37 (s, 3H). LCMS (method A): [MH]+=392, tR=4.76 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08497368B2
Source datasetuspto-grants-2013_07
ORD IDord-761cac01526c49a4b34243ff596fdf04
Source noteuspto-grants-2013_07