Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238166Generated: October 29, 2026

5-Ethynylpyrimidin-2-amine → 5-[8-Trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-b]pyridazin-3-ylethynyl]-pyrimidin-2-ylamine

https://huagongshe.com/reaction/2238166

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Ethynylpyrimidin-2-amineHCID 16109021—
Reactant3-Iodo-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-b]pyridazineHCID 86608024—
Product5-[8-Trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-b]pyridazin-3-ylethynyl]-pyrimidin-2-ylamineHCID 16738273—

Reaction Steps

The title compound was prepared from 3-iodo-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-b]pyridazine (example C.26 step 11) (457 mg, 1 mmol) and 5-ethynyl-pyrimidin-2-ylamine (example D.2) (155 mg, 1.3 mmol) according to general procedure II. Obtained as a light yellow solid (50 mg, 11%). MS (ISP) 449.2 [(M+H)+]; mp 220-221° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-5abfe04075b84666979a8034787de153
Source noteuspto-grants-2010_05