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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 889474Generated: October 28, 2026

Phosphoric Acid → 3-(6-(3-Acetamido-4-methylphenylamino)-3-cyanoimidazo[1,2-b]pyridazin-8-ylamino)-N-(2-(dimethylamino)ethyl)benzamide

https://huagongshe.com/reaction/889474

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphoric AcidHCID 1004—
Reactant2-Acetylamino-4-aminotolueneHCID 79492—
Reactant3-((6-Chloro-3-cyanoimidazo[1,2-b]pyridazin-8-yl)(4-methoxybenzyl)amino)-N-(2-(dimethylamino)ethyl)benzamideHCID 59313763—
SolventMethanolHCID 887—
SolventWaterHCID 962—
Product3-(6-(3-Acetamido-4-methylphenylamino)-3-cyanoimidazo[1,2-b]pyridazin-8-ylamino)-N-(2-(dimethylamino)ethyl)benzamideHCID 59313710—

Reaction Steps

Example 253 was prepared from 253D and N-(5-amino-2-methylphenyl)acetamide following the procedure as described in Example 6. HPLC: Rt=3.110 min. (YMC S5 ODS (4.6×50 mm). 0%-100% B. Solvent B: (90% MeOH, 10% H2O, 0.2% H3PO4). Solvent A: (10% MeOH, 90% H2O, 0.2% H3PO4). Gradient, start % B=0, final % B=100, gradient time 4 min., hold at 100% 1 min., flow rate 4 mL/min.). MS (ES): m/z=512.2 [M+H]+. 1H NMR (400 MHz, DMSO-d6) δ ppm 10.04 (1H, br. s.), 9.52-9.58 (2H, m), 9.21 (1H, s), 8.94 (1H, t, J=5.52 Hz), 8.18 (1H, s), 7.87 (1H, s), 7.59-7.63 (2H, m), 7.44-7.54 (2H, m), 7.06 (1H, d, J=8.28 Hz), 6.81-6.85 (1H, m), 3.59 (3H, q, J=5.69 Hz), 3.24 (2H, q, J=5.86 Hz), 2.73-2.84 (6H, m), 2.08 (3H, s), 1.98 (3H, s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08252795B2
Source datasetuspto-grants-2012_08
ORD IDord-d1fae26cdd984c5d9fb3ecff122b13e5
Source noteuspto-grants-2012_08