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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 548910Generated: October 30, 2026

Ethanolamine → 6-(5-Methyl-3-pyrimidin-4-yl-isoxazol-4-ylmethoxy)-pyridazine-3-carboxylic acid (2-hydroxy-ethyl)-amide

https://huagongshe.com/reaction/548910

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolamineHCID 700—
Reactant6-[3-(5-Fluoro-pyridin-2-yl)-5-methyl-isoxazol-4-ylmethoxy]-pyridazine-3-carboxylic acidHCID 67157601—
Reactant6-(5-Methyl-3-pyrimidin-4-yl-isoxazol-4-ylmethoxy)-pyridazine-3-carboxylic acidHCID 67157633—
Product6-(5-Methyl-3-pyrimidin-4-yl-isoxazol-4-ylmethoxy)-pyridazine-3-carboxylic acid (2-hydroxy-ethyl)-amideHCID 4263073742%

Reaction Steps

As described for example 112b, 6-(5-methyl-3-pyrimidin-4-yl-isoxazol-4-ylmethoxy)-pyridazine-3-carboxylic acid (38 mg, 0.12 mmol) was converted, instead of 6-[3-(5-fluoro-pyridin-2-yl)-5-methyl-isoxazol-4-ylmethoxy]-pyridazine-3-carboxylic acid, using ethanolamine instead of 2-amino-2-methyl-1-propanol, to the title compound (18 mg, 42%) which was obtained as a light yellow foam. MS: m/e=357.1 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07943619B2
Source datasetuspto-grants-2011_05
ORD IDord-a2e4c068baf447908b4eb710fa185a82
Source noteuspto-grants-2011_05